(3) summary of the invention
The object of the present invention is to provide a kind of lightweight concrete board, have characteristics such as easy construction, cost is low, mechanical property is good.
Solution of the present invention is on the basis of existing technology, comprise cast-in-situ reinforced concrete, fill and use prefabricated units, filling with prefabricated units each other alternately, and wrap up in and be contained in the cast-in-situ reinforced concrete, filling is the Cast-in-place concrete rib with prefabricated units each other, filling comprises the structure base plate with prefabricated units, protrude block, there are at least four to protrude block alternately on the structure base plate, protrude the alternate cavity internal-rib that is spaced apart between the block, protruding block and structure base plate constitutes whole, there is cast-in-situ reinforced concrete to form the Cast-in-place concrete internal-rib in the cavity internal-rib, and link to each other with the Cast-in-place concrete rib, it is characterized in that described protrusion block is arranged in parallel on same axis, the spacing of cavity internal-rib is 30-130mm, at least one the support spare that connects the adjacent protrusion block of support is arranged at the top of cavity internal-rib, and the both sides of structure base plate have than the toss of protruding the wide 10-60mm of block.Like this, connect at least one the support spare that supports adjacent protrusion block because the top of cavity internal-rib has, thereby the intensity of the prefabricated units in the lightweight concrete board is bigger with rigidity, shock resistance is better, and the structure base plate is frangibility more not, carrying with construct more convenient; Simultaneously, be arranged in parallel on same axis owing to protrude block, the spacing of cavity internal-rib is 30-130mm, thereby the making of prefabricated units is easier, and is convenient, and cost is low; In addition, because the both sides of structure base plate have than the toss of protruding the wide 10-60mm of block, thereby toss can replace construction formwork each other after the amalgamation, and it is more convenient to construct, and, can further reduce construction cost; Therefore, this lightweight concrete board has characteristics such as easy construction, cost is low, mechanical property is good, thereby reached purpose of the present invention, the thistle board, hollow building cover, roof system, sole plate, body of wall and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention is that also described protrusion block and structure base plate are global formation.Like this, when protruding block and be global formation with the structure base plate, the prefabricated units good integrity, firm and reliable connection between protrusion block and the structure base plate, difficult division is opened, and can reduce the proportion of goods damageds of prefabricated units.
Feature of the present invention is that also described protrusion block and structure base plate are on the structure base plate that waters after prefabricated block is bonded in.Like this, protrude block and separate making, make the producting process difficulty reduction, simultaneously, can adopt mechanization to produce in enormous quantities, help reducing production costs with the structure base plate, and water the intensity height behind the structure base plate, rigidity is big, can fully satisfy user demand.
Feature of the present invention also is to water after described to be protruded block and is bonded on the prefabricated panel.Like this, protrude block and separate making, make producting process difficulty reduce, simultaneously, can adopt mechanization to produce in enormous quantities, help reducing production costs with the structure base plate.
Feature of the present invention is that also described prefabricated protrusion block is connected on the prefabricated base plate.Like this, protrude block and separate making, make producting process difficulty reduce, simultaneously, can adopt mechanization to produce in enormous quantities, help reducing production costs with the structure base plate.
Feature of the present invention is that also described protrusion block is that part is prefabricated, the part after water, after water the part and structure base plate one moulding by casting.Like this, protrude block and separate making with the structure base plate, make producting process difficulty reduce, simultaneously, can adopt mechanization to produce in enormous quantities, help reducing cost, and part is protruded block and watered behind the structure base plate, its intensity height, big, the good integrity of rigidity can fully satisfy user demand.
Feature of the present invention is that also described support spare is one-body molded with the protrusion block.Like this, when support spare and protrusion block are one-body molded, bonding strength height between support spare and the protrusion block, rigidity is big, good integrity, thus make prefabricated units not fragile in application process, help reducing the proportion of goods damageds of prefabricated units.
Feature of the present invention is that also described support spare and protrusion block divide body formed.Like this, support spare with protrude block and divide when body formed, can adopt mechanization to produce in enormous quantities to it respectively, and then be grouped together, can enhance productivity greatly, reduce production costs.
Feature of the present invention is that also described at least one strength bar pass all and protrude block and support spares.Like this, protrude block and support spare because at least one strength bar passed all, thereby can improve rigidity, intensity and the globality of prefabricated units greatly.
Feature of the present invention is also that described at least one strength bar passed and protrudes block and cavity internal-rib.Like this, protrude block and cavity internal-rib because at least one strength bar passed, support spare can connect stressed, can make hollowcore slab be difficult for being damaged with prefabricated units, can reduce the proportion of goods damageds of product effectively.
Feature of the present invention is that also described at least two support spares are on same straight line.Like this, when support spare was located along the same line, support spare can connect stressed, can make prefabricated units be difficult for being damaged, and can reduce the proportion of goods damageds of product effectively.
Feature of the present invention is that also the support spare on described at least two same straight lines is parallel.When support spare is located along the same line, and have at least two support spares on the same straight line parallel, like this, the intensity and the rigidity of prefabricated units are bigger, and overall performance is better, and mechanical property is better.
Feature of the present invention is that also described structure base plate is a reinforced concrete slab.Like this, the structure base plate is a reinforced concrete slab, can improve the strength and stiffness of structure base plate greatly, perhaps makes it become prestressed member, thereby can improve its force structure, makes its mechanical property better.
Feature of the present invention is that also described structure base plate is the prestressed reinforced concrete plate.Like this, the structure base plate is the prestressed reinforced concrete plate, can improve the strength and stiffness of structure base plate greatly, perhaps makes it become prestressed member, thereby can improve its force structure, makes force structure more good, reasonable, and mechanical property is better.
Feature of the present invention is that also described structure base plate is a prestress wire concrete plate.Like this, the structure base plate is a prestress wire concrete plate, can improve the strength and stiffness of structure base plate greatly, thereby can improve its force structure, makes force structure more good, reasonable.
Feature of the present invention is that also described protrusion block is the light solid piece.Like this, when the protrusion block was the light solid piece, it was light to protrude the block own wt, simultaneously, be difficult for because of the people steps on, the object heap is pressed to subside and influenced building of concrete, simultaneously, according to different needs, also can very conveniently on the light solid piece, slot simply or punch, greatly facilitate practical application.
Feature of the present invention is that also described protrusion block is the light hollow piece.Like this, when the protrusion block was the light hollow piece, the weight of prefabricated units was lighter, and the construction carrying is more convenient.
Feature of the present invention is that also described protrusion block is an opening peviform box.Like this, the making of prefabricated units is more convenient, easy, and cost is lower.
Feature of the present invention is that also described protrusion block is the closed hollow block.Like this, when protruding block and being the closed hollow block, when described hollowcore slab be applied to prefabricated units cast-in-place concrete cored in after, concrete can not enter in the hollow mould shell, can play the effect of emptying concrete effectively, reduces the deadweight of hollowcore slab, improves the hollow rate of hollowcore slab.
Feature of the present invention is that also described protrusion block is outer hard interior soft composite block.Like this, when protrude block be outer hard in soft composite block, can excise soft material as required, form various grooves or hole, can make things convenient for various facilities or member to imbed in it, as if need not bury other facility underground the time, soft thing can be emptied concrete, the weight of reduction hollowcore slab.
Feature of the present invention is that also described protrusion block is the prestressing block.Like this, protrude bulk strength height, strong shock resistance, it is destroyed that it is difficult in application process, helps reducing the proportion of goods damageds of prefabricated units.
Feature of the present invention is that also described cavity internal-rib is an I type rib.Like this, in hollowcore slab, can form the dark rib of I type, can strengthen the load-carrying construction system in the hollowcore slab effectively, make the supporting capacity in the hollowcore slab stronger.
Feature of the present invention is that also described cavity internal-rib is worker's type rib.In hollowcore slab, formed the dark rib of I shape, can strengthen the load-carrying construction system in the hollowcore slab effectively, made the supporting capacity of hollowcore slab stronger.
Feature of the present invention is that also described cavity internal-rib is a shape rib.Like this, can strengthen the load-carrying construction system in the hollowcore slab effectively, make the supporting capacity of hollowcore slab stronger.
Feature of the present invention also is to be provided with on the described protrusion block at least one in inner corner trim, chamfering or the arc angle.Like this, Cast-in-place concrete pours in above-mentioned inner corner trim, chamfering or the arc angle, and corresponding formation connects or the local Cast-in-place concrete member of strengthening, and can increase substantially the overall performance and the structural-load-carrying capacity of prefabricated units.
Feature of the present invention also is to have in the described protrusion block at least one in reinforcing rib, bracing piece or the stiffener.Like this, can strengthen the supporting capacity of prefabricated units greatly, reduce the proportion of goods damageds of prefabricated units in transportation, installation, work progress, save material, reduce the cost of hollowcore slab.
Feature of the present invention also is in the described protrusion block reinforce is arranged, and perhaps also is extended with reinforce and is anchored in the structure base plate.Like this, the intensity height of prefabricated units, rigidity are big, and good integrity.
Feature of the present invention is that also described prefabricated units are provided with the carrying suspender member.The carrying suspender member can be handle, suspension hook, suspension ring or other device.Like this, can very easily prefabricated units be piled up, transport, lift and construct, reduce the work difficulty and the working strength of above-mentioned operation, help improving efficiency of construction, reduce construction cost.
Feature of the present invention is that also the rib space draws a straight line in described at least two cavitys.Like this, behind the Cast-in-place concrete, in above-mentioned cavity internal-rib, formed the cast-in-place concrete hidden rib of straight line, improved the Cast-in-place concrete load-carrying construction of thistle board inside effectively, made it can fully satisfy instructions for use.
Feature of the present invention is that also the cavity internal-rib on described at least two same straight lines is parallel.Like this, behind the Cast-in-place concrete, in thistle board, formed the cast-in-place concrete hidden rib load-carrying construction of respective parallel, improved the load-carrying construction of thistle board inside greatly, made it can bear the load bigger than equal solid slab.
Feature of the present invention is that also described at least two fillings flush with at least one end of filling with prefabricated units.Like this, the end of filling with prefabricated units flushes setting, is very easy to building of thistle board, has reduced the loss of template significantly.
Feature of the present invention is that also filling that described termination flushes is with filling with prefabricated units at interval or near setting.Like this,, can adopt rational arrangement that the filling prefabricated units are installed, reduce difficulty of construction, also can accelerate speed of application simultaneously according to the different stressing conditions of thistle board.
Feature of the present invention also is described Cast-in-place concrete rib and Cast-in-place concrete internal-rib quadrature or oblique.Like this, when the Cast-in-place concrete rib in the thistle board and Cast-in-place concrete internal-rib quadrature or oblique are provided with, formed crisscross Cast-in-place concrete load-carrying construction in thistle board, thistle board has formed the thistle board of bidirectional stress.
Feature of the present invention also is described Cast-in-place concrete rib and Cast-in-place concrete internal-rib and fills with cast-in-situ reinforced concrete iterative structure panel is arranged on the prefabricated units.Like this, Cast-in-place concrete rib and Cast-in-place concrete internal-rib and fill when cast-in-situ reinforced concrete iterative structure panel is arranged on the prefabricated units, Cast-in-place concrete rib, Cast-in-place concrete internal-rib and cast-in-situ reinforced concrete iterative structure panel combine and have formed T shape or I-shaped Cast-in-place concrete load-carrying construction, and the weight bearing power of thistle board is greatly enhanced.
Feature of the present invention is that also described Cast-in-place concrete rib and Cast-in-place concrete internal-rib end face flush with table on the prefabricated units with filling, fills with no cast-in-situ reinforced concrete iterative structure panel above the prefabricated units, constitutes and folds the rib thistle board.Like this, can reduce the own wt of thistle board significantly, reduce the concrete consumption, economical with materials reduces cost, and supporting capacity that can corresponding raising thistle board.
Feature of the present invention is that also described filling is concrete plate or reinforced concrete slab with the top board of prefabricated units.Like this, when filling top board with prefabricated units when being concrete plate or reinforced concrete slab, building in the process of thistle board, filling can fully be satisfied the requirement and the instructions for use of working load with the top board of prefabricated units, and top board is survivable.
Feature of the present invention also is described filling prefabricated units fissure of displacement butt joint.Like this, when described filling is docked with the prefabricated units fissure of displacement, greatly facilitate building of thistle board, can disperse the concentrated stress of docking site effectively, make seam areas be difficult for cracking destruction, can guarantee the quality of thistle board effectively.
Feature of the present invention also is described filling prefabricated units straight joint butt joint.Like this, when described filling is docked with the prefabricated units straight joint, in work progress, can make things convenient for the construction of filling to lay greatly, reduce difficulty of construction, the reduction construction cost with prefabricated units.
Feature of the present invention is that also described filling is supported on the Cast-in-place concrete wall or/and on bright, the dark beam with at least one end of prefabricated units.Like this, can guarantee to fill in the thistle board support reliability effectively, convenient construction with prefabricated units.
Feature of the present invention also be described filling with the prefabricated units two end supports at the Cast-in-place concrete wall or/and on bright, the dark beam or on the concrete collar tie beam.Like this, can guarantee to fill in the thistle board support reliability effectively, convenient construction with prefabricated units.
Feature of the present invention is that also described filling flushes with the soffit with prefabricated units base plate face.Like this, when filling when flushing with the soffit with prefabricated units base plate face, the bottom surface of thistle board on same horizontal plane, thereby make the thistle board that the bottom surface of thistle board has become no beam to expose, can greatly improve the function of use of thistle board.
Feature of the present invention also is described Cast-in-place concrete rib or/and Cast-in-place concrete internal-rib and wall or beam intersect and connect to integral body.Like this, Cast-in-place concrete rib or Cast-in-place concrete internal-rib and wall or beam intersect and when connecting to integral body, and Cast-in-place concrete rib or Cast-in-place concrete internal-rib can make stress transmitted with load produced on the plate Stress Transfer on wall or beam.
Feature of the present invention is that also prestressed reinforcement or prestress wire or no-cohesive prestressed reinforcement are arranged in described Cast-in-place concrete rib and/or the Cast-in-place concrete internal-rib.Like this, when in Cast-in-place concrete rib or the Cast-in-place concrete internal-rib prestressed reinforcement or prestress wire or no-cohesive prestressed reinforcement being arranged, described thistle board becomes the prestressed light plate, can improve the supporting capacity of thistle board greatly.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise cast-in-situ reinforced concrete 15, fill with prefabricated units 16, fill each other alternately with prefabricated units 16, and wrap up in and be contained in the cast-in-situ reinforced concrete 15, filling with prefabricated units 16 is Cast-in-place concrete rib 17 each other, fill and comprise structure base plate 1 with prefabricated units 16, protrude block 2, there are at least four to protrude block 2 alternately on the structure base plate 1, protrude the alternate cavity internal-rib 3 that is spaced apart between the block 2, protruding block 2 constitutes whole with structure base plate 1, there is cast-in-situ reinforced concrete 15 to form Cast-in-place concrete internal-rib 18 in the cavity internal-rib 3, and link to each other with Cast-in-place concrete rib 17, it is characterized in that described protrusion block 2 is arranged in parallel on same axis, the spacing of cavity internal-rib 3 is 30-130mm, at least one the support spare 4 that connects the adjacent protrusion block 2 of support is arranged at the top of cavity internal-rib 3, and the both sides of structure base plate 1 have than the toss 5 of protruding block 2 wide 10-60mm.In each accompanying drawing, 1 is the concrete base plate, and 2 is the concrete longitudinal vertical plate, 3 is reinforcing bar, and 4 is the cross rib die cavity, and 5 is the drawknot pier, 6 obturators for built on stilts or real core, 15 is cast-in-situ reinforced concrete, and 16 is to fill to use prefabricated units, and 17 is the Cast-in-place concrete rib, 18 is the Cast-in-place concrete internal-rib, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, lightweight concrete board comprises cast-in-situ reinforced concrete 15, fill with prefabricated units 16, fill each other alternately with prefabricated units 16, and wrap up in and be contained in the cast-in-situ reinforced concrete 15, filling with prefabricated units 16 is Cast-in-place concrete rib 17 each other, fill and comprise structure base plate 1 with prefabricated units 16, protrude block 2, there are five to protrude block 2 alternately on the structure base plate 1, protrude the alternate cavity internal-rib 3 that is spaced apart between the block 2, protruding block 2 constitutes whole with structure base plate 1, there is cast-in-situ reinforced concrete 15 to form Cast-in-place concrete internal-rib 18 in the cavity internal-rib 3, and link to each other with Cast-in-place concrete rib 17, its described protrusion block 2 is arranged in parallel on same axis, the spacing of cavity internal-rib 3 is 30-130mm, the support spare 4 that connects the adjacent protrusion block 2 of support is arranged at the top of cavity internal-rib 3, and the both sides of structure base plate 1 have than the toss 5 of protruding block 2 wide 10-60mm.As shown in Figure 4, for filling structural representation with prefabricated units 16.
Feature of the present invention is that also described protrusion block 2 and structure base plate 1 are global formation.As shown in Figure 1, its described protrusion block 2 is a global formation with structure base plate 1.
Feature of the present invention is that also described protrusion block 2 and structure base plate 1 are on the structure base plate 1 that waters after prefabricated block is bonded in.As shown in Figure 2, its described protrusion block 2 is on the structure base plate 1 that waters after prefabricated block is bonded in structure base plate 1.
Feature of the present invention also is to water after described to be protruded block 2 and is bonded on the prefabricated panel 1.As shown in Figure 3, it waters after described and protrudes block 2 and be bonded on the prefabricated panel 1.
Feature of the present invention is that also described prefabricated protrusion block 2 is connected on the prefabricated base plate 1.As shown in Figure 5, its described prefabricated protrusion block 2 is connected on the prefabricated base plate 1.
Feature of the present invention is that also described protrusion block 2 is prefabricated for part, water after the part, after water part and structure base plate 1 one moulding by casting.As shown in Figure 4, its described protrusion block 2 is that part is prefabricated, the part after water, after water the part and structure base plate 1 one moulding by casting.
Feature of the present invention is that also described support spare 4 is one-body molded with protrusion block 2.As shown in Figure 4, its described support spare 4 is one-body molded with protrusion block 2.
Feature of the present invention also is described support spare 4 and to protrude block 2 minutes body formed.As shown in Figure 5, its described support spare 4 is with to protrude block 2 minutes body formed.
Feature of the present invention is that also described at least one strength bar 6 pass all and protrude block 2 and support spares 4.As shown in Figure 6, its described strength bar 6 is passed all protrusion block 2 and support spares 4.
Feature of the present invention is also that described at least one strength bar 6 passed and protrudes block 2 and cavity internal-rib 3.As shown in Figure 7, its described strength bar 6 is passed and is protruded block 2 and cavity internal-rib 3.
Feature of the present invention is that also described at least two support spares 4 are on same straight line.As shown in Figure 7, its described support spare 4 is on same straight line.
Feature of the present invention is that also the support spare 4 on described at least two same straight lines is parallel.As shown in Figure 8, the support spare 4 on its described two straight lines is parallel.
Feature of the present invention is that also described structure base plate 1 is reinforced concrete slab.As shown in Figure 7, its described structure base plate 1 is a reinforced concrete slab.
Feature of the present invention is that also described structure base plate 1 is the prestressed reinforced concrete plate.As shown in Figure 8, its described structure base plate 1 is the prestressed reinforced concrete plate.
Feature of the present invention is that also described structure base plate 1 is prestress wire concrete plate.As shown in Figure 9, its described structure base plate 1 is a prestress wire concrete plate.
Feature of the present invention is that also described protrusion block 2 is the light solid piece.As shown in Figure 9, its described protrusion block 2 is the light solid piece.
Feature of the present invention is that also described protrusion block 2 is the light hollow piece.As shown in figure 10, its described protrusion block 2 is the light hollow piece.
Feature of the present invention is that also described protrusion block 2 is opening peviform box.As shown in figure 10, its described protrusion block 2 is an opening peviform box.
Feature of the present invention is that also described protrusion block 2 is the closed hollow block.As shown in Figure 2, its described protrusion block 2 is the closed hollow block.
Feature of the present invention is that also described protrusion block 2 is outer hard interior soft composite block.As shown in Figure 4, its described protrusion block 2 is outer hard interior soft composite block.
Feature of the present invention is that also described protrusion block 2 is the prestressing block.As shown in Figure 7, its described protrusion block 2 is the prestressing block.
Feature of the present invention is that also described cavity internal-rib 3 is I type rib.As shown in figure 10, its described cavity internal-rib 3 is an I type rib.
Feature of the present invention is that also described cavity internal-rib 3 is worker's type rib.As shown in figure 11, its described cavity internal-rib 3 is worker's type rib.
Feature of the present invention is that also described cavity internal-rib 3 is shape rib.As shown in figure 12, its described cavity internal-rib 3 is a shape rib.
Feature of the present invention also is to be provided with on the described protrusion block 2 at least one in inner corner trim 7, chamfering 8 or the arc angle 9.As Figure 13, Figure 14, shown in Figure 15, on its described protrusion block 2 chamfering 8, inner corner trim 7 and arc angle 9 are set.
Feature of the present invention also is to have in the described protrusion block 2 at least one in reinforcing rib 10, bracing piece 11 or the stiffener 12.As Figure 13, shown in Figure 14, in its described protrusion block 2 reinforcing rib 10, bracing piece 11 and stiffener 12 are arranged.
Feature of the present invention also is in the described protrusion block 2 reinforce 13 is arranged, and perhaps also is extended with reinforce 13 and is anchored in the structure base plate 1.As shown in figure 14, in its protrusion block 2 of stating reinforce 13 is arranged, and be extended with reinforce 13 and be anchored in the structure base plate 1.
Feature of the present invention is that also described prefabricated units are provided with carrying suspender member 14.As shown in figure 15, its described prefabricated units are provided with carrying suspender member 14.
Feature of the present invention is that also the rib space draws a straight line in described at least two cavitys.As shown in Figure 1, its described cross rib die cavity draws a straight line at interval.
Feature of the present invention is that also the cavity internal-rib on described at least two same straight lines is parallel.As shown in Figure 1, the cross rib die cavity on its described many same straight lines is parallel.
Feature of the present invention is that also described at least two fillings flush with at least one end of prefabricated units.As shown in Figure 1, its described filling flushes with at least one end of prefabricated units.
Feature of the present invention also be filling that described termination flushes with prefabricated units at interval or near setting.As shown in Figure 1, the filling that flushes of its described termination with prefabricated units near setting.
Feature of the present invention also is described Cast-in-place concrete rib 17 and Cast-in-place concrete internal-rib 18 quadratures or oblique.As shown in Figure 1, its described Cast-in-place concrete rib 17 and Cast-in-place concrete internal-rib 18 quadratures.
Feature of the present invention is that also cast-in-situ reinforced concrete iterative structure panel 18 is arranged on described Cast-in-place concrete rib 17 and Cast-in-place concrete internal-rib 18 and the prefabricated units.As shown in Figure 1, on its described Cast-in-place concrete rib 17 and Cast-in-place concrete internal-rib 18 and the prefabricated units cast-in-situ reinforced concrete iterative structure panel 19 is arranged.
Feature of the present invention also is to show to flush on described Cast-in-place concrete rib 17 and Cast-in-place concrete internal-rib 18 end faces and the prefabricated units, and no cast-in-situ reinforced concrete iterative structure panel 18 above the prefabricated units constitutes folded rib hollowcore slab.As shown in Figure 2, show to flush on its described Cast-in-place concrete rib 17 and Cast-in-place concrete internal-rib 18 end faces and the prefabricated units, no cast-in-situ reinforced concrete iterative structure panel 19 above the prefabricated units constitutes folded rib thistle board.
Feature of the present invention is that also the top board of described prefabricated units is concrete plate or reinforced concrete slab.As shown in Figure 2, the top board of its described prefabricated units is a concrete plate plate.
Feature of the present invention also is described prefabricated units fissure of displacement butt joint.As shown in Figure 3, its described prefabricated units fissure of displacement butt joint.
Feature of the present invention also is described prefabricated units straight joint butt joint.As shown in Figure 1, its described prefabricated units straight joint butt joint.
Feature of the present invention is that also at least one end of described prefabricated units is supported on the Cast-in-place concrete wall or/and on bright, the dark beam.As shown in Figure 1, its described prefabricated units are supported on the bright beam of Cast-in-place concrete.
Feature of the present invention also be described prefabricated units two end supports at the Cast-in-place concrete wall or/and on bright, the dark beam or on the concrete collar tie beam.As shown in Figure 1, its described prefabricated units two end supports is on bright, the dark beam of Cast-in-place concrete.
Feature of the present invention is that also described prefabricated units base plate face flushes with the soffit.As shown in Figure 3, its described prefabricated units base plate face flushes with the soffit.
Feature of the present invention also is described Cast-in-place concrete rib 17 or/and Cast-in-place concrete internal-rib 18 intersects with wall or beam and connects to integral body.As shown in Figure 1, its described Cast-in-place concrete rib 17 and Cast-in-place concrete internal-rib 18 intersect with beam respectively and connect to integral body.
Feature of the present invention is that also prestressed reinforcement or prestress wire or no-cohesive prestressed reinforcement are arranged in described Cast-in-place concrete rib 17 and/or the Cast-in-place concrete internal-rib 18.As shown in Figure 1, in its described Cast-in-place concrete rib 17 and the Cast-in-place concrete internal-rib 18 prestressed reinforcement is arranged.As shown in Figure 3, in its described Cast-in-place concrete rib 17 prestressed reinforcement is arranged.
During the invention process, press earlier construction requirement mounting bracket or template, lay and fill with prefabricated units 16, re-lay the reinforcing bar of reinforcing bar or dark beam or bright beam, and various steel pipe buried in advance spare, pour concrete after the acceptance(check), after treating the concrete setting and harden, maintenance is to stipulating the length of time that form removal promptly gets reinforced concrete light board.