CN109057169B - Steel bar connecting structure of prefabricated cement component - Google Patents
Steel bar connecting structure of prefabricated cement component Download PDFInfo
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- CN109057169B CN109057169B CN201811047761.7A CN201811047761A CN109057169B CN 109057169 B CN109057169 B CN 109057169B CN 201811047761 A CN201811047761 A CN 201811047761A CN 109057169 B CN109057169 B CN 109057169B
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- reinforcing
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- sleeve
- steel bars
- steel bar
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 239000004568 cement Substances 0.000 title abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 87
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 33
- 238000005728 strengthening Methods 0.000 claims description 16
- 239000011178 precast concrete Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to the technical field of steel bar connection structures, and discloses a steel bar connection structure of a prefabricated cement component, which comprises a bottom plate, wherein a plurality of first sleeves which are uniformly distributed are fixedly arranged at the upper end of the bottom plate, the openings of the first sleeves are arranged upwards, first threaded holes are formed in one sides of the first sleeves, first fastening bolts are in threaded connection with the insides of the first threaded holes, steel bars are sleeved inside the first sleeves, one ends, located inside the first sleeves, of the steel bars are fixedly connected with the first sleeves through the first fastening bolts, two annular connecting blocks which are symmetrically arranged are fixedly sleeved on the side walls of the steel bars, and four mounting holes which are symmetrically distributed are formed in the upper ends of the annular connecting blocks. This prefabricated cement component's steel bar connection structure can effectually carry out the reinforced connection to a plurality of reinforcing bars to can improve the holding power of reinforcing bar, be convenient for improve the reinforcing effect of reinforcing bar to cement component intensity, the people of being convenient for use.
Description
Technical Field
The invention relates to the technical field of steel bar connection structures, in particular to a steel bar connection structure of a prefabricated cement component.
Background
The cement member is a short name of a reinforced concrete prefabricated structural member. The reinforced concrete prefabricated structural part is generally used for municipal highway construction, water supply and drainage construction or civil engineering construction, mainly comprises cement color bricks, cement pipe fittings, cement cover plates, special-shaped cement components, curb stones, retaining wall manhole cover plates, reinforced concrete floating bodies, lawn bricks, pavement bricks, aerated bricks, cable cover plates, inspection ports, curb stones and the like, and is widely applied to airports, container docks, building communities, landscaping, river slope protection and water and soil engineering. Besides the characteristics of high strength, strong weather resistance, convenient construction and maintenance, high cost performance and the like, the environment-friendly concrete has the most obvious characteristics of distinguishing from other concrete products, mainly shows that the product has extremely high water seepage permeability and skid resistance, and plays an important role in protecting urban underground water resources and increasing the safety and comfort level of road walking.
At present, before the cement component is poured, a plurality of steel bars are generally used for connection, and the concrete is poured after the steel bars are wound, so that the strength of the cement component can be increased, but in the prior art, when the steel bars in the cement component are connected, the plurality of steel bars are only arranged in a matrix mode, then the reinforcing ribs are wound outside the plurality of steel bars, so that the plurality of steel bars are connected, the connecting structure between the steel bars is poor, the reinforcing effect of the steel bars on the strength of the cement component is poor, and therefore the steel bar connecting structure of the prefabricated cement component is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the reinforcement connection structure of the prefabricated cement member, which has the advantages of reinforcing connection among a plurality of reinforcements, improving the reinforcing effect on the strength of the cement member and the like, and solves the problem of poor reinforcement connection structure of the cement member on the market at present.
(II) technical scheme
In order to achieve the purpose of strengthening connection among a plurality of steel bars and improving the strengthening effect on the strength of a cement member, the invention provides the following technical scheme: a steel bar connecting structure of a prefabricated cement component comprises a bottom plate, wherein a plurality of first sleeves which are uniformly distributed are fixedly arranged at the upper end of the bottom plate, openings of the first sleeves are arranged upwards, a first threaded hole is formed in one side of each of the plurality of first sleeves, a first fastening bolt is in threaded connection with the inside of each of the plurality of first threaded holes, a steel bar is sleeved in each of the plurality of first sleeves, one end, located in each first sleeve, of each steel bar is fixedly connected with the corresponding first sleeve through the corresponding first fastening bolt, two symmetrically-arranged annular connecting blocks are fixedly sleeved on the side walls of the plurality of steel bars, four symmetrically-distributed mounting holes are formed in the upper end of each annular connecting block, two first reinforcing ribs are arranged between every two adjacent steel bars, the two first reinforcing ribs are arranged in a crossed manner, and two ends of the first reinforcing ribs are arranged in a bent manner, and the punishment of buckling at the both ends of first strengthening rib do not inserts in the mounting hole of two annular connecting blocks, the upper end of reinforcing bar still overlaps and is equipped with the second sleeve, the second screw hole that two symmetries set up is seted up to the telescopic lateral wall of second, the internal thread of second screw hole is connected with second fastening bolt, the upper end of reinforcing bar is through another reinforcing bar of second sleeve and second fastening bolt fixedly connected with, adjacent two be equipped with reinforcing mechanism between the second sleeve.
Preferably, strengthen the mechanism including strengthening a section of thick bamboo, both ends all with four enhancement section of thick bamboo fixed connection, four about the telescopic outside of second strengthen a section of thick bamboo and be the annular distribution, strengthen a lateral wall of section of thick bamboo and seted up the third screw hole, the internal thread of third screw hole is connected with third fastening bolt, adjacent two be equipped with two horizontal second strengthening ribs that set up between the second sleeve, the both ends of second strengthening rib insert respectively in the enhancement section of thick bamboo on two adjacent second sleeves, the second strengthening rib passes through third fastening bolt and strengthens a section of thick bamboo fixed connection.
Preferably, a transversely-arranged partition plate is fixedly arranged in the second sleeve, and the partition plate is arranged in the middle of the second sleeve.
Preferably, the inside lateral wall of mounting hole is seted up flutedly, the inside activity of recess is equipped with the fixture block, the fixture block is located the inside one end fixedly connected with spring of recess, the one end that the fixture block was kept away from to the spring is fixed connection with the tank bottom of recess, the one end that is located the recess outside of fixture block is the slope setting, the both ends department of buckling of first strengthening rib all seted up with fixture block assorted draw-in groove.
Preferably, the end, located inside the recess, of the side wall of the fixture block is fixedly provided with two symmetrically arranged slide blocks, and the side wall of the recess is provided with a slide groove matched with the slide blocks.
Preferably, a steel wire rope is fixedly wound at the upper end of the outer side wall of the first sleeve, and the other end of the steel wire rope is fixedly wound and connected with the lower end of the steel bar.
Preferably, the upper end of the bottom plate is provided with a plurality of uniformly distributed fixing holes, and the intersection of every two first reinforcing ribs is welded and fixed.
(III) advantageous effects
Compared with the prior art, the invention provides a steel bar connecting structure of a prefabricated cement component, which has the following beneficial effects:
1. this steel bar connection structure of prefabricated cement component, can cup joint the reinforcing bar through the first sleeve that is equipped with, can fix the reinforcing bar through the first fastening bolt that is equipped with, thereby make reinforcing bar and first sleeve and bottom plate fixed connection, can cup joint the reinforcing bar relative both ends of two vertical directions through the second sleeve that is equipped with, can fix two reinforcing bars through the second fastening bolt that is equipped with, thereby can fix the concatenation with two reinforcing bar relative both ends, be convenient for increase the support height of reinforcing bar, the people of being convenient for use.
2. The reinforcing steel bar connecting structure of the prefabricated cement component can strengthen and connect two adjacent reinforcing steel bars by obliquely placing the first reinforcing steel bar and respectively inserting the two ends of the first reinforcing steel bar into the annular connecting blocks on the two adjacent reinforcing steel bars through the annular connecting blocks and the first reinforcing steel bar, thereby enhancing the connection strength of the middle positions of two adjacent reinforcing steel bars, inserting the two ends of the second reinforcing rib into the reinforcing cylinders on the two adjacent second sleeves respectively through the reinforcing cylinders and the second reinforcing rib, the second reinforcing ribs and the reinforcing cylinders can be fixedly connected through the third fastening bolts, two adjacent second sleeves can be reinforced and connected, thereby can increase the joint strength of two adjacent reinforcing bar terminal departments, be convenient for strengthen the joint strength between a plurality of reinforcing bars, be convenient for improve the reinforcing effect of reinforcing bar to the intensity of cement component.
Drawings
Fig. 1 is a schematic view of a reinforcing steel bar connection structure of a prefabricated cement member according to the present invention;
FIG. 2 is an enlarged view of a portion A of a structure of a reinforcement bar connection structure of a precast concrete member according to the present invention;
FIG. 3 is an enlarged view of a portion B of a structure of a reinforcement bar connection structure of a precast concrete unit according to the present invention;
fig. 4 is a sectional view of a second sleeve of a reinforcement connection structure of a precast concrete member according to the present invention.
In the figure: the steel wire rope fixing device comprises a base plate 1, a first sleeve 2, a first fastening bolt 3, a steel bar 4, an annular connecting block 5, a first reinforcing rib 6, a second sleeve 7, a second fastening bolt 8, a reinforcing cylinder 9, a third fastening bolt 10, a second reinforcing rib 11, a partition plate 12, a clamping block 13, a spring 14, a sliding block 15 and a steel wire rope 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a steel bar connecting structure of a prefabricated cement component comprises a bottom plate 1, a plurality of first sleeves 2 uniformly distributed are fixedly arranged at the upper end of the bottom plate 1, openings of the first sleeves 2 are arranged upward, first threaded holes are formed in one sides of the first sleeves 2, first fastening bolts 3 are connected to the first threaded holes in a threaded manner, steel bars 4 are sleeved inside the first sleeves 2, one ends of the steel bars 4, which are positioned inside the first sleeves 2, are fixedly connected with the first sleeves 2 through the first fastening bolts 3, steel wire ropes 16 are fixedly wound on the upper ends of the outer side walls of the first sleeves 2, the other ends of the steel wire ropes 16 are fixedly wound and connected with the lower ends of the steel bars 4, so that the first sleeves 2 and the steel bars 4 can be more stably connected, the steel bars 4 are prevented from falling off from the first sleeves 2, two symmetrically arranged annular connecting blocks 5 are fixedly sleeved on the side walls of the steel bars 4, four mounting holes which are symmetrically distributed are formed in the upper end of each annular connecting block 5, two first reinforcing ribs 6 are arranged between two adjacent reinforcing steel bars 4, the two first reinforcing ribs 6 are arranged in a crossed mode, two ends of each first reinforcing rib 6 are arranged in a bent mode, bent parts of two ends of each first reinforcing rib 6 are respectively inserted into the mounting holes of the two annular connecting blocks 5, the crossed part of each two first reinforcing ribs 6 is welded and fixed, the supporting strength of the first reinforcing ribs 6 on the two adjacent reinforcing steel bars 4 can be improved, grooves are formed in the inner side walls of the mounting holes, clamping blocks 13 are movably arranged in the grooves, springs 14 are fixedly connected to the ends, located in the grooves, of the clamping blocks 13, of the springs 14 are fixedly connected to the bottoms of the grooves, clamping grooves matched with the clamping blocks 13 are formed in the bent parts of two ends of the first reinforcing ribs 6, and the springs 14 can apply elasticity to, thereby inserting the fixture block 13 into the slot on the first reinforcing rib 6 for fixing the first reinforcing rib 6, wherein the end of the fixture block 13 positioned outside the groove is obliquely arranged for fixing the first reinforcing rib 6, the end of the side wall of the fixture block 13 positioned inside the groove is fixedly provided with two symmetrically arranged sliders 15, the side wall of the groove is provided with a chute matched with the sliders 15, the fixture block 13 can be stably moved and the fixture block 13 is prevented from being separated from the inside of the groove, the upper end of the reinforcing steel bar 4 is also sleeved with a second sleeve 7, the side wall of the second sleeve 7 is provided with two symmetrically arranged second threaded holes, the inner threads of the second threaded holes are connected with a second fastening bolt 8, the upper end of the reinforcing steel bar 4 is fixedly connected with another reinforcing steel bar 4 through the second sleeve 7 and the second fastening bolt 8, the inner part of the second sleeve 7 is fixedly provided with a transversely arranged partition plate 12, the partition plate 12 is arranged in the middle of the second sleeve 7, so that two adjacent steel bars 4 in the vertical direction can be effectively and fixedly connected with the second sleeve 7, the steel bars 4 are prevented from falling off from the second sleeve 7, the reinforcing mechanism is arranged between the two adjacent second sleeves 7 and comprises reinforcing sleeves 9, the upper end and the lower end of the outer side of each second sleeve 7 are fixedly connected with the four reinforcing sleeves 9, the four reinforcing sleeves 9 are distributed annularly, the side wall of each reinforcing sleeve 9 is provided with a third threaded hole, the inner thread of each third threaded hole is connected with a third fastening bolt 10, two second reinforcing ribs 11 which are transversely arranged are arranged between the two adjacent second sleeves 7, two ends of each second reinforcing rib 11 are respectively inserted into the reinforcing sleeves 9 on the two adjacent second sleeves 7, each second reinforcing rib 11 is fixedly connected with the corresponding reinforcing sleeve 9 through the third fastening bolt 10, and each reinforcing sleeve 9 and each second reinforcing rib 11 are arranged, insert the reinforcing section of thick bamboo 9 on two adjacent second sleeves 7 respectively with the both ends of second strengthening rib 11, rethread third fastening bolt 10 can carry out fixed connection with second strengthening rib 11 and reinforcing section of thick bamboo 9, can strengthen the connection to two adjacent second sleeves 7, thereby can increase the joint strength of two adjacent 4 terminal departments of reinforcing bar, be convenient for strengthen the joint strength between a plurality of reinforcing bars 4, a plurality of evenly distributed's fixed orifices has been seted up to the upper end of bottom plate 1, be convenient for fix bottom plate 1, stability is increased.
To sum up, the reinforcing steel bar connecting structure of the prefabricated cement component can be used for sleeving the reinforcing steel bars 4 through the arranged first sleeve 2, fixing the reinforcing steel bars 4 through the arranged first fastening bolt 3, so that the reinforcing steel bars 4 are fixedly connected with the first sleeve 2 and the bottom plate 1, sleeving the two opposite ends of the reinforcing steel bars 4 in the two vertical directions through the arranged second sleeve 7, fixing the two reinforcing steel bars 4 through the arranged second fastening bolt 8, fixedly splicing the two opposite ends of the two reinforcing steel bars 4, increasing the supporting height of the reinforcing steel bars 4, obliquely placing the first reinforcing steel bars 6 through the arranged annular connecting blocks 5 and the first reinforcing steel bars 6, respectively inserting the two ends of the first reinforcing steel bars 6 into the annular connecting blocks 5 on the two adjacent reinforcing steel bars 4, and reinforcing the two adjacent reinforcing steel bars 4, thereby can strengthen the joint strength of two adjacent 4 intermediate positions of reinforcing bar, through reinforcing cylinder 9 and the second strengthening rib 11 that are equipped with, insert the reinforcing cylinder 9 on two adjacent second sleeves 7 respectively with the both ends of second strengthening rib 11, rethread third fastening bolt 10 can carry out fixed connection with second strengthening rib 11 and reinforcing cylinder 9, can strengthen the connection to two adjacent second sleeves 7, thereby can increase the joint strength of two adjacent 4 terminal departments of reinforcing bar, be convenient for strengthen the joint strength between a plurality of reinforcing bars 4, be convenient for improve reinforcing bar 4 and strengthen the effect to the intensity of cement component, be convenient for people use.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a precast concrete component's steel bar connection structure, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is fixedly provided with a plurality of first sleeves (2) which are uniformly distributed, the openings of the first sleeves (2) are arranged upwards, one side of each of the plurality of first sleeves (2) is provided with a first threaded hole, the insides of the plurality of first threaded holes are in threaded connection with first fastening bolts (3), the insides of the plurality of first sleeves (2) are sleeved with reinforcing steel bars (4), one ends of the plurality of reinforcing steel bars (4) positioned inside the first sleeves (2) are fixedly connected with the first sleeves (2) through the first fastening bolts (3), the side walls of the plurality of reinforcing steel bars (4) are fixedly sleeved with two symmetrically-arranged annular connecting blocks (5), the upper end of each annular connecting block (5) is provided with four symmetrically-distributed mounting holes, and two first reinforcing ribs (6) are arranged between two adjacent reinforcing steel bars (4), the two first reinforcing ribs (6) are arranged in a crossed manner, the two ends of each first reinforcing rib (6) are arranged in a bent manner, the bent parts at the two ends of each first reinforcing rib (6) are respectively inserted into the mounting holes of the two annular connecting blocks (5), a second sleeve (7) is further sleeved at the upper end of each reinforcing steel bar (4), two second threaded holes which are symmetrically arranged are formed in the side wall of each second sleeve (7), a second fastening bolt (8) is connected to the inner threads of each second threaded hole, the upper end of each reinforcing steel bar (4) is fixedly connected with another reinforcing steel bar (4) through the second sleeve (7) and the second fastening bolt (8), a reinforcing mechanism is arranged between every two adjacent second sleeves (7) and comprises reinforcing cylinders (9), the upper end and the lower end of the outer side of each second sleeve (7) are fixedly connected with the four reinforcing cylinders (9), the four reinforcing cylinders (9) are distributed annularly, a third threaded hole is formed in the side wall of each reinforcing cylinder (9), a third fastening bolt (10) is connected to the inner thread of each third threaded hole, two second reinforcing ribs (11) which are transversely arranged are arranged between every two adjacent second sleeves (7), two ends of each second reinforcing rib (11) are respectively inserted into the reinforcing cylinders (9) on the two adjacent second sleeves (7), each second reinforcing rib (11) is fixedly connected with the corresponding reinforcing cylinder (9) through the corresponding third fastening bolt (10), a groove is formed in the inner side wall of each mounting hole, a clamping block (13) is movably arranged in the groove, a spring (14) is fixedly connected to one end, located inside the groove, of each clamping block (13), one end, far away from the corresponding clamping block (13), of each spring (14) is fixedly connected with the groove bottom of the groove, one end, located outside the groove, of each clamping block (13) is obliquely arranged, the utility model discloses a reinforcing rib, including the lateral wall of first strengthening rib (6), the both ends department of buckling of first strengthening rib (6) all seted up with fixture block (13) assorted draw-in groove, the lateral wall of fixture block (13) is located the fixed slider (15) that are equipped with two symmetries and set up of the inside one end of recess, the lateral wall of recess seted up with slider (15) assorted spout, the fixed winding of lateral wall upper end of first sleeve (2) has wire rope (16), the other end of wire rope (16) is connected with the lower extreme fixed winding of reinforcing bar (4), a plurality of evenly distributed's fixed orifices, per two are seted up to the upper end of bottom plate (1) the intersection of first strengthening rib (6) carries out.
2. A reinforcing bar connecting structure of a precast concrete member according to claim 1, wherein: the inner fixing of the second sleeve (7) is provided with a transverse clapboard (12), and the clapboard (12) is arranged in the middle of the second sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811047761.7A CN109057169B (en) | 2018-09-10 | 2018-09-10 | Steel bar connecting structure of prefabricated cement component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811047761.7A CN109057169B (en) | 2018-09-10 | 2018-09-10 | Steel bar connecting structure of prefabricated cement component |
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| Publication Number | Publication Date |
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| CN109057169A CN109057169A (en) | 2018-12-21 |
| CN109057169B true CN109057169B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811047761.7A Active CN109057169B (en) | 2018-09-10 | 2018-09-10 | Steel bar connecting structure of prefabricated cement component |
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| CN (1) | CN109057169B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113565268B (en) * | 2021-08-17 | 2024-08-16 | 雅安成建工业化建筑有限公司 | Multi-adaptive rapid splicing piece for connecting rods between prefabricated concrete member steel bars |
| CN117107955B (en) * | 2023-10-18 | 2023-12-22 | 中铁建工集团有限公司 | Beam wall integrated structure and decoration construction method thereof |
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| US5152118A (en) * | 1990-08-13 | 1992-10-06 | Richmond Screw Anchor Co., Inc. | Couplings for concrete reinforcement bars |
| CN203475704U (en) * | 2013-08-28 | 2014-03-12 | 中交二公局第一工程有限公司 | Connecting structure of pile foundation reinforcement cage reinforcing steel bars |
| KR20140147470A (en) * | 2013-06-20 | 2014-12-30 | 이영 | Reinforcing bar assembly for concrete pile reinforcement and concrete pile assembly including the same |
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| EP2966236A1 (en) * | 2014-07-07 | 2016-01-13 | Fundacíon Tecnalia Research & Innovation | Joining device for precast reinforced concrete columns with a dry joint |
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| CN207812843U (en) * | 2018-02-05 | 2018-09-04 | 中铁十二局集团第二工程有限公司 | A kind of reinforcing bar connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA029465B1 (en) * | 2012-06-27 | 2018-03-30 | М3С Холдингз Пти Лтд | Combination reinforcing coupler and column alignment device |
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2018
- 2018-09-10 CN CN201811047761.7A patent/CN109057169B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191114915A (en) * | 1911-06-26 | 1912-02-08 | Harry August Stockman | An Improved Reinforcement for Concrete and the like. |
| US5152118A (en) * | 1990-08-13 | 1992-10-06 | Richmond Screw Anchor Co., Inc. | Couplings for concrete reinforcement bars |
| KR20140147470A (en) * | 2013-06-20 | 2014-12-30 | 이영 | Reinforcing bar assembly for concrete pile reinforcement and concrete pile assembly including the same |
| CN203475704U (en) * | 2013-08-28 | 2014-03-12 | 中交二公局第一工程有限公司 | Connecting structure of pile foundation reinforcement cage reinforcing steel bars |
| EP2966236A1 (en) * | 2014-07-07 | 2016-01-13 | Fundacíon Tecnalia Research & Innovation | Joining device for precast reinforced concrete columns with a dry joint |
| CN204311770U (en) * | 2014-12-04 | 2015-05-06 | 甘德贵 | A kind of protective guard for building |
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| Publication number | Publication date |
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| CN109057169A (en) | 2018-12-21 |
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