CN111945763A - A waterproof caisson segment unit and its caisson structure - Google Patents

Abstract

The invention discloses a waterproof caisson segment unit, comprising a plurality of caisson segments, the plurality of caisson segments are connected in sequence to form an annular caisson segment unit, and the connection between adjacent caisson segments is At least one vertical waterproof groove is provided, and a waterproof strip is arranged in the vertical waterproof groove. The invention also discloses a caisson structure, comprising a vertical shaft and a plurality of the above-mentioned waterproof caisson segment units, wherein the plurality of waterproof caisson segment units are arranged in the vertical shaft and are adjacent up and down The waterproof caisson segment units of the layer are fixedly connected. The waterproof caisson segment unit and the caisson structure of the invention have the advantages of simple structure, good waterproof effect and the like.

Description

A waterproof caisson segment unit and its caisson structure

technical field

The invention belongs to the field of underground three-dimensional garage construction structures, and particularly relates to a waterproof caisson segment unit and a caisson structure.

Background technique

During the construction of the underground three-dimensional garage, it is necessary to excavate the caisson, and gradually sink the caisson segment unit during the excavation process of the caisson. There are vertical joints between each caisson segment, and horizontal joints also exist between the upper and lower caisson segment units, while the underground three-dimensional garage has high waterproof requirements for the caisson. The infiltration of the joint into the caisson will not only affect the parking environment inside the three-dimensional garage, but also affect the service life of each structural component of the three-dimensional garage, and even cause damage to the garage components, bringing a series of safety problems.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a waterproof caisson segment unit with a simple structure and good waterproof effect and a caisson structure thereof.

In order to solve the above-mentioned technical problems, the technical scheme proposed by the present invention is:

A waterproof caisson segment unit, comprising a plurality of caisson segments, the plurality of caisson segments are sequentially connected to form an annular caisson segment unit, and at least one The vertical waterproof groove is provided with a waterproof strip.

In the above-mentioned waterproof caisson segment unit, preferably, two adjacent caisson segments are respectively provided with a male stopper and a female stopper that cooperate with each other, and the male stopper is inserted into the female stopper, and Between the adjacent caisson segments, there are connecting bolts which pass through the female end and the male end in sequence.

In the above-mentioned waterproof caisson segment unit, preferably, a vertical waterproof groove is provided at the connection of the adjacent caisson segments, and the vertical waterproof groove is located in the caisson provided with the female stopper. on the segment, and the vertical waterproof groove is arranged beside the female stop and close to the side of the outer wall of the caisson structure.

In the above-mentioned waterproof caisson segment unit, preferably, the outer side of the vertical waterproof groove is provided with a rib, and the vertical waterproof groove is arranged between the rib and the female stop.

In the above-mentioned waterproof caisson segment unit, preferably, the waterproof caisson segment unit further comprises a caisson segment connector, and the caisson segment connector is provided between adjacent caisson segments. On the inner wall, the caisson segment connecting piece includes an adjusting rod and two connecting heads, the two connecting heads are respectively fixed on two adjacent caisson segments, and the adjusting rod is arranged between the two connecting heads, And one end of the adjusting rod is connected with the connecting head by a forward thread, and the other end of the adjusting rod is connected with the connecting head by a reverse thread.

In the above-mentioned waterproof caisson segment unit, preferably, the caisson segment connector further comprises two connection seats respectively fixed on the adjacent caisson segments, and the two connection heads pass through the two connection seats respectively. It is fixed on the caisson segment, and a connecting pin is arranged between the connecting seat and the connecting head.

In the above-mentioned waterproof caisson segment unit, preferably, a tightening nut is provided at the threaded connection between the adjusting rod and the two connecting heads.

In the above-mentioned waterproof caisson segment unit, preferably, both ends of the adjusting rod are respectively provided with a forward thread and a reverse thread, and the two connecting heads are respectively provided with the forward thread and the reverse thread. Mating threaded holes.

In the above-mentioned waterproof caisson segment unit, preferably, the two connecting heads are respectively provided with a forward thread and a reverse thread, and both ends of the adjusting rod are respectively provided with the forward thread and the reverse thread. Mating threaded holes.

In the above-mentioned waterproof caisson segment unit, preferably, the top surface and the bottom surface of the caisson segment are provided with horizontal waterproof grooves, and the horizontal waterproof grooves on the top surface of the caisson segment of the same waterproof caisson segment unit are mutually The annular waterproof groove is formed by communicating with each other, and the horizontal waterproof grooves on the bottom surface of the caisson segment of the same waterproof caisson segment are also connected to each other to form an annular waterproof groove, and the annular waterproof groove is provided with a waterproof strip.

As a general technical concept, the present invention also provides a caisson structure, comprising a vertical shaft and a plurality of the above-mentioned waterproof caisson segment units, wherein the plurality of waterproof caisson segment units are arranged in the vertical In the hoistway, the waterproof caisson segment units of the upper and lower adjacent layers are fixedly connected.

In the above-mentioned caisson structure, preferably, a vertical pin structure is provided between the waterproof caisson segment units of the upper and lower adjacent layers, and the vertical pin structure includes an alignment pin and an alignment groove that cooperate with each other. The alignment pins and the alignment grooves are respectively arranged on two contact surfaces of the adjacent waterproof caisson segment units, and the alignment pins are inserted into the alignment grooves.

Compared with the prior art, the advantages of the present invention are:

In the waterproof caisson segment unit of the present invention, a vertical waterproof groove is arranged between any adjacent caisson segments, and a waterproof strip of flexible material is arranged in the vertical waterproof groove, and the waterproof strip is filled with the vertical waterproof strip under pressure. In the groove, it has a good waterproof effect on the vertical joints between the caisson segments, effectively preventing groundwater or rainwater from seeping into the underground three-dimensional garage from the vertical joints between the caisson segments. Good waterproof effect and so on.

The caisson structure of the present invention adopts the waterproof caisson segment unit, so the overall waterproof performance of the caisson structure is significantly improved.

Description of drawings

FIG. 1 is a top view of a waterproof caisson segment unit of an embodiment.

FIG. 2 is a partial enlarged view of A in FIG. 1 .

FIG. 3 is a schematic three-dimensional structure diagram of the waterproof caisson segment unit according to the embodiment.

FIG. 4 is a schematic three-dimensional structural diagram of the waterproof caisson segment unit from another perspective of the embodiment.

FIG. 5 is a schematic view of the structure of the caisson segment connector in the front view direction in the embodiment.

FIG. 6 is a schematic view of the structure of the caisson segment connector in the top view direction in the embodiment.

FIG. 7 is a three-dimensional schematic diagram of the caisson structure of the embodiment.

illustration:

1, caisson segment; 11, male end; 12, female end; 13, alignment pin; 14, alignment groove; 15, vertical waterproof groove; 16, horizontal waterproof groove; 17, waterproof strip; 18 , flange; 2, caisson segment connector; 21, adjusting rod; 211, forward thread; 212, reverse thread; 22, connector; 23, connection seat; 24, connecting pin; 25, tightening nut.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively and in detail below with reference to the accompanying drawings and preferred embodiments of the specification, but the protection scope of the present invention is not limited to the following specific embodiments.

As shown in FIG. 7 , the caisson structure of the present embodiment includes a vertical well and a plurality of waterproof caisson segment units. The multiple waterproof caisson segment units are arranged in the vertical well, and the upper and lower adjacent layers are waterproof. The caisson segment units are fixedly connected. Specifically, a plurality of waterproof caisson segment units are connected by vertical connecting bolts, and the bottom and top of each waterproof caisson segment unit are provided with a plurality of bolt holes along the vertical direction. On the caisson segment 1, after the upper waterproof caisson segment unit and the lower waterproof caisson segment unit are aligned and aligned, the vertical connecting bolts are inserted into the upper waterproof caisson segment unit and the lower waterproof caisson segment in turn. between the units, and then locked to realize the fixed connection between the waterproof caisson segment units of the upper and lower adjacent layers.

As shown in FIGS. 1 to 4 , the waterproof caisson segment unit in this embodiment includes a plurality of caisson segments 1 , and the plurality of caisson segments 1 are sequentially connected to form an annular caisson segment unit, adjacent to each other. At least one vertical waterproof groove 15 is provided at the joint of the caisson segment 1 , and a waterproof strip 17 is provided in the vertical waterproof groove 15 . Specifically, a waterproof caisson segment unit is composed of four caisson segments 1, the four caisson segments 1 are connected in sequence to form a square waterproof caisson segment unit, and the four caisson segments 1 are in turn two-by-two. Connected, any two caisson segments 1 are connected with a vertical waterproof groove 15 extending in the vertical direction, that is, the joints at the four corners of the waterproof caisson segment unit are provided with a vertical waterproof groove 15. The waterproof groove 15 has four vertical waterproof grooves 15 in total, and each vertical waterproof groove 15 is filled with a waterproof strip 17 made of flexible material. 1 vertical joint has a good waterproof effect, effectively preventing groundwater or rainwater from infiltrating into the underground three-dimensional garage from the vertical joint between 1 caisson segments, and has the advantages of simple structure and good waterproof effect.

In this embodiment, two adjacent caisson segments 1 are respectively provided with a male stop 11 and a female stop 12 that cooperate with each other, the male stop 11 is inserted into the female stop 12, and the adjacent caisson segment 1 is provided with connecting bolts which pass through the female end 12 and the male end 11 in sequence. Specifically, the caisson segment 1 has two types: the first segment and the second segment. Both ends of the first segment are provided with male stops 11, and both ends of the second segment are provided with female stops. 12. The two first segments and the two second segments are alternately arranged in order to form a closed waterproof caisson segment unit, the male stop 11 is a trapezoidal convex structure, and the female stop 12 is a ladder. The concave structure of the shape and the trapezoidal oblique side also play a guiding role, which is convenient for quick guidance and alignment during installation, and the protruding part improves the shear strength of the waterproof caisson segment unit on the same layer, and the connecting bolts pass through the female When the stop 12 and the male stop 11 are connected, the waterproof strip 17 in the vertical waterproof groove 15 is pressed tightly, which further improves the waterproof effect.

In this embodiment, a vertical waterproof groove 15 is provided at the connection of adjacent caisson segments 1 , the vertical waterproof groove 15 is located on the caisson segment 1 provided with the female stopper 12 , and the vertical waterproof groove 15 It is arranged beside the female stop 12 and close to one side of the outer wall of the caisson structure. Specifically, the vertical waterproof grooves 15 are all located on the second segment with the female stop 12, and the vertical waterproof groove 15 is arranged on the outer side of the female stop 12. After connecting the adjacent caisson segments 1, the first The end face of the segment compresses the waterproof strip 17 in the vertical waterproof groove 15 to play the role of waterproofing the seam. At the same time, the structure of the vertical waterproof groove 15 and the structure of the female stopper 12 form multiple bends at the seam. Multiple bends can effectively prevent water infiltration and further improve the waterproof effect.

In this embodiment, the outer side of the vertical waterproof groove 15 is provided with a rib 18 , and the vertical waterproof groove 15 is provided between the rib 18 and the female stop 12 . Specifically, the vertical waterproof groove 15 is located between the rib 18 and the wall of the female stop 12, and forms a groove with an open side when it is not connected with the adjacent caisson segment 1. When connecting, the waterproof strip 17 is installed and the adjacent sinker is used The end face of the well tube sheet 1 seals one side of the opening to compress the waterproof strip 17 . The provision of the baffle 18 can better protect and compress the waterproof strip 17, further extend the bending area, and improve the waterproof effect.

As shown in FIG. 5 and FIG. 6 , in this embodiment, the waterproof caisson segment unit further includes a caisson segment connector 2 , and the caisson segment connector 2 is arranged on the inner wall between adjacent caisson segments 1 On the top, the caisson segment connector 2 includes an adjusting rod 21 and two connecting heads 22, the two connecting heads 22 are respectively fixed on two adjacent caisson segments 1, and the adjusting rod 21 is provided on the two connecting heads 22 In between, one end of the adjusting rod 21 is connected with the connecting head 22 through a forward screw thread 211 , and the other end of the adjusting rod 21 is connected with the connecting head 22 through a reverse screw thread 212 . Specifically, there are also four caisson segment connectors 2, which are respectively arranged between any two adjacent caisson segments 1, and the four caisson segment connectors 2 are located in the waterproof caisson segment unit. The same height layer, in this embodiment, only one layer of four caisson segment connectors 2 are arranged in the middle of the waterproof caisson segment unit, but the location and quantity of the caisson segment connectors 2 are not limited to this. , which can be adjusted according to the actual situation of the caisson and the structure of the garage. Further, both ends of the adjusting rod 21 are respectively provided with a forward thread 211 and a reverse thread 212 , and the two connecting heads 22 are respectively provided with threaded holes matched with the forward thread 211 and the reverse thread 212 .

The combination of the caisson segment connector 2 and the vertical waterproof groove 15 greatly improves the waterproof effect. By adjusting the caisson segment connector 2, a tensile force can be applied from the inside to ensure that the waterproof strip 17 in the vertical waterproof groove 15 at the connection is protected. Effective compression and waterproofing. In addition, during the sinking process of the waterproof caisson segment unit, the asynchronous excavation will easily cause the loosening of the connection of each caisson segment 1, resulting in slight deformation of the sunk waterproof caisson segment unit. , the connection tightness and opening and closing degree of the vertical waterproof groove 15 are affected, thereby affecting the overall waterproofness, and the caisson segment connector 2 is installed between the adjacent caisson segments 1, in its supporting role A stable triangular structure is formed at the bottom, which not only improves the connection stability of the caisson segment 1, but also makes the waterproof caisson segment unit not easily deformed when it sinks. Rotate the adjusting rod 21 clockwise to synchronously fine-tune the connection tightness and opening and closing angle of the caisson segment 1 connected to it, so as to adjust the tightness of the vertical waterproof groove 15 according to the actual situation, especially after sinking. The open vertical waterproof groove 15 can be adjusted to re-press the waterproof strip 17 in the vertical waterproof groove 15, thereby effectively improving the waterproof effect and avoiding the impact of the sinking construction process on the final waterproof performance of the caisson structure.

In this embodiment, the caisson segment connector 2 further includes two connecting seats 23 respectively fixed to the adjacent caisson segments 1 , and the two connecting heads 22 are respectively fixed to the caisson pipe through the two connecting seats 23 . On the sheet 1, a connecting pin 24 is provided between the connecting seat 23 and the connecting head 22. Specifically, a detachable pin shaft connection is adopted between the connecting seat 23 and the connecting head 22. When the waterproof caisson segment unit sinks, the caisson segment connector 2 is installed and fixed between the caisson segments 1 to ensure no Deformation, when the construction of the caisson structure is completed, before the construction of the garage, the connecting pin 24 can be temporarily removed, the connecting seat 23 and the connecting head 22 can be separated, and the connecting head 22 and the adjusting rod 21 can be temporarily taken out to avoid the connecting head 22. Interference with the adjustment rod 21 hinders the installation of the garage structure, and also prevents it from occupying vertical space and affects the hoisting of the garage structure. After the installation of the garage is completed, the connecting head 22 and the adjustment rod 21 are re-reinforced and installed, which can effectively improve the overall stability for a long time. and waterproof, and also does not affect the height of garage installation and parking spaces.

In this embodiment, a tightening nut 25 is provided at the threaded connection between the adjusting rod 21 and the two connecting heads 22 . Specifically, both ends of the adjusting rod 21 are provided with fastening nuts 25 at the threaded connections between the two connecting heads 22 . The tightening nut 25 can effectively lock the connection between the adjusting rod 21 and the connecting head 22, so as to avoid vibration loosening and other conditions that affect the stability and waterproofness of the overall structure.

In this embodiment, a vertical pin structure is provided between the waterproof caisson segment units of the upper and lower adjacent layers. The vertical pin structure includes an alignment pin 13 and an alignment groove 14 that cooperate with each other. The alignment pin 13 and the alignment The grooves 14 are respectively provided on the two contact surfaces of the adjacent waterproof caisson segment units, and the alignment pins 13 are inserted into the alignment grooves 14 . Specifically, the bottom surface of the upper waterproof caisson segment unit is provided with an alignment groove 14, and the top surface of the lower waterproof caisson segment unit is provided with an alignment pin 13, the alignment pin 13 is in the shape of a quadrangular pyramid, and the alignment groove 14 It is a concave quadrangular platform. The vertical pin structure is convenient for the alignment and guidance of the upper and lower waterproof caisson segment units. The inclined surface of the quadrangular trapezoid structure is guided, which is easy to align, and at the same time improves the shear strength.

In this embodiment, the top surface of the waterproof caisson segment unit is further provided with lifting lugs for hoisting, the top surface of the waterproof caisson segment unit is provided with grooves, and the lifting lugs are arranged in the grooves so as not to affect the waterproofing of the upper and lower layers. Connection of caisson segment units.

In this embodiment, the top and bottom surfaces of the caisson segment 1 are provided with horizontal waterproof grooves 16, and the horizontal waterproof grooves 16 on the top surface of the caisson segment 1 of the same waterproof caisson segment unit communicate with each other to form an annular For the water tank, the horizontal waterproof grooves 16 on the bottom surface of the caisson segment 1 of the same waterproof caisson segment unit are also connected to each other to form an annular waterproof groove, and a waterproof strip 17 is arranged in the annular waterproof groove. Specifically, each horizontal waterproof groove 16 forms an integral annular waterproof groove, which minimizes the number of joints and has a better waterproof effect. At the same time, because the alignment pins 13 and the alignment grooves 14 are provided, it can ensure that the annular waterproof grooves on the upper and lower waterproof caisson segment units can be accurately aligned, and the waterproof strips 17 in the annular waterproof grooves can be pressed under the action of gravity. , to improve the waterproof effect of the horizontal joints between the waterproof caisson segment units.

In other embodiments, the two connecting heads 22 are respectively provided with a forward thread 211 and a reverse thread 212 , and two ends of the adjusting rod 21 are respectively provided with threaded holes matched with the forward thread 211 and the reverse thread 212 .

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, can make many possible changes and modifications to the technical solution of the present invention by using the technical content disclosed above, or modify it into an equivalent implementation of equivalent changes. example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention should fall within the protection scope of the technical solutions of the present invention without departing from the content of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a waterproof open caisson section of jurisdiction unit which characterized in that: the open caisson segment unit comprises a plurality of open caisson segments (1), wherein the open caisson segments (1) are sequentially connected to form an annular open caisson segment unit, the joint of the adjacent open caisson segments (1) is provided with at least one vertical waterproof groove (15), and a waterproof strip (17) is arranged in the vertical waterproof groove (15).

2. The waterproof open caisson segment unit of claim 1, wherein: two adjacent be equipped with male tang (11) and female tang (12) of mutually supporting on the open caisson section of jurisdiction (1) respectively, male tang (11) insert in female tang (12), and be equipped with the connecting bolt who passes female tang (12) and male tang (11) in proper order between the adjacent open caisson section of jurisdiction (1).

3. The waterproof open caisson segment unit of claim 2, wherein: adjacent the junction of open caisson section of jurisdiction (1) is equipped with one vertical capillary (15), vertical capillary (15) are located and are equipped with on open caisson section of jurisdiction (1) of female tang (12), and vertical capillary (15) arrange in the other one side that is close to open caisson structure outer wall of female tang (12).

4. The waterproof open caisson segment unit of claim 3, wherein: the outer side of the vertical waterproof groove (15) is provided with a flange (18), and the vertical waterproof groove (15) is arranged between the flange (18) and the female spigot (12).

5. The waterproof open caisson segment unit of any one of claims 1 to 4, wherein: waterproof open caisson section of jurisdiction unit still includes open caisson section of jurisdiction connecting piece (2), open caisson section of jurisdiction connecting piece (2) are located adjacently on the inner wall between open caisson section of jurisdiction (1), open caisson section of jurisdiction connecting piece (2) are including adjusting pole (21) and two connectors (22), two connectors (22) are fixed respectively on two adjacent open caisson section of jurisdiction (1), adjust pole (21) and locate between two connectors (22), and the one end of adjusting pole (21) is connected through just revolving screw thread (211) with connector (22), and the other end of adjusting pole (21) is connected through anti-revolving screw thread (212) with connector (22).

6. The waterproof open caisson segment unit of claim 5, wherein: open caisson section of jurisdiction connecting piece (2) still includes two connecting seats (23) of being fixed in respectively on adjacent open caisson section of jurisdiction (1), two connecting seats (22) are fixed on open caisson section of jurisdiction (1) through two connecting seats (23) respectively, be equipped with connecting pin axle (24) between connecting seat (23) and connecting seat (22).

7. The waterproof open caisson segment unit of claim 5, wherein: and a fastening nut (25) is arranged at the threaded connection part of the adjusting rod (21) and the two connectors (22).

8. The waterproof open caisson segment unit of any one of claims 1 to 4, wherein: the top surface and the bottom surface of open caisson segment (1) all are equipped with horizontal waterproof groove (16), and horizontal waterproof groove (16) of open caisson segment (1) top surface of same waterproof open caisson segment unit communicate each other and form cyclic annular waterproof groove, and horizontal waterproof groove (16) of open caisson segment (1) bottom surface of same waterproof open caisson segment unit also communicate each other and form cyclic annular waterproof groove, be equipped with waterproof strip (17) in the cyclic annular waterproof groove.

9. A caisson structure, its characterized in that: the waterproof open caisson segment unit comprises a vertical shaft and a plurality of waterproof open caisson segment units as claimed in any one of claims 1 to 8, wherein the waterproof open caisson segment units are arranged in the vertical shaft and fixedly connected between the waterproof open caisson segment units of the upper and lower adjacent layers.

10. The open caisson structure of claim 9, wherein: be equipped with vertical round pin structure between the waterproof open caisson section of jurisdiction unit of upper and lower adjacent layer, vertical round pin structure is including mutually supporting adjusting round pin (13) well and adjusting groove (14) well, adjust round pin (13) well and adjust groove (14) well and locate respectively on two contact surfaces of adjacent waterproof open caisson section of jurisdiction unit, and adjust round pin (13) well and insert in adjusting groove (14).

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