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CN-121992885-A - Assembled concrete member spliced node sealing seepage-proofing structure and construction method

CN121992885ACN 121992885 ACN121992885 ACN 121992885ACN-121992885-A

Abstract

The invention relates to the technical field of concrete member splicing node seepage prevention, in particular to an assembled concrete member splicing node sealing seepage prevention structure and a construction method. The technical scheme includes that the concrete member plates are assembled and connected to form a spliced seam after assembly. The invention utilizes the structural cooperation of a concrete member plate, a first rubber backing plate, a second rubber backing plate, a tensioning mechanism, a clamping mechanism and the like, the first rubber backing plate is firstly attached to a splicing seam, the second rubber backing plate is clamped into a locking groove for preliminary positioning, a clamping block is installed, the clamping plate is embedded into the clamping groove, and the socket joint of a hexagon bolt and a spiral sleeve block in the clamping block is ensured. And then the screw sleeve block is rotated to drive the clamping plate to pull the component plates to close to finish primary fastening, the bolts in the clamping blocks are screwed down to compact the rubber backing plate to strengthen sealing, finally the component plates are secondarily fastened, and the cover plate is installed for protection. The tightness is cooperatively improved by the rubber elastic sealing and the fastening of the tensioning mechanism and the clamping mechanism, so that the anti-seepage device is detachable and convenient to overhaul, and the problems of complex construction, high cost and difficult later maintenance are avoided.

Inventors

  • Lai Xiangfeng
  • LI XIN
  • XU DAQING

Assignees

  • 广西中医药大学第一附属医院(广西中医医院)

Dates

Publication Date
20260508
Application Date
20260210

Claims (9)

  1. 1. The sealing and seepage-proofing structure of the assembled concrete member splicing joint is characterized by comprising a pair of assembled and connected concrete member plates (1) and a splicing seam (11) formed after assembly: The locking groove (14) is formed in the concrete member plate (1) and communicated with the splicing seam (11), a first rubber base plate (2) is arranged in the splicing seam (11), and a second rubber base plate (21) clamped in the locking groove (14) is fixedly connected to the first rubber base plate (2); The tensioning mechanism is arranged on the first rubber backing plate (2) to enable the second rubber backing plate (21) to be tightly abutted to the locking groove (14), and the concrete member plate (1) and the first rubber backing plate (2) are further provided with a clamping mechanism which is used for enabling the pair of concrete member plates (1) to move towards the direction of the first rubber backing plate (2) to be tightly abutted.
  2. 2. The sealing and seepage-proofing structure of the assembled concrete member splicing joint according to claim 1, characterized in that the tensioning mechanism comprises a plurality of mounting grooves (22) which are linearly arranged on the first rubber backing plate (2) and have the same interval, the inside of each mounting groove (22) is movably connected with a clamping block (23), a plurality of second clamping grooves (13) which clamp two ends of each clamping block (23) are formed in the concrete member plate (1), bolts (26) are arranged in the clamping blocks (23), second screw holes (27) are formed in the mounting grooves (22), metal threaded rings are embedded in the second screw holes (27), and one ends of the bolts (26) are movably penetrated through the clamping blocks (23) and then are in threaded connection with the metal threaded rings in the second screw holes (27).
  3. 3. The sealing and seepage-proofing structure of an assembled concrete member splicing node according to claim 2, characterized in that the clamping mechanism comprises a first clamping groove (12) which is formed in a concrete member plate (1) and communicated with a corresponding second clamping groove (13), clamping plates (3) are movably connected in the first clamping groove (12), a plurality of hexagon bolts (32) corresponding to the second clamping groove (13) are arranged on the clamping plates (3), one ends of the hexagon bolts (32) movably penetrate through the clamping plates (3), positioning grooves (24) are formed in two ends of the clamping blocks (23), the positioning grooves (24) are used for movably penetrating through the end portions of the clamping plates (3), and a pair of spiral sleeve blocks (33) which are spirally sleeved with the end portions of the hexagon bolts (32) are arranged in the clamping blocks (23).
  4. 4. A fabricated concrete member splice joint seal and barrier structure according to claim 3, wherein the outer wall of the spiral sleeve block (33) is provided with a plurality of circumferentially arrayed elastic grooves (34).
  5. 5. A fabricated concrete member splice joint sealing and seepage-proofing structure according to claim 3, wherein a plurality of hexagonal grooves (31) which are linearly arranged are formed in the clamping plate (3), and the hexagonal grooves (31) are used for clamping hexagonal ends at the ends of hexagonal bolts (32).
  6. 6. The sealing and seepage-proofing structure of the assembled concrete member splicing joint according to claim 2, wherein a pair of first screw holes (25) are formed in the clamping blocks (23), a cover plate (4) clamped into the second clamping groove (13) is arranged in the mounting groove (22), a pair of hexagon socket bolts (41) are arranged on the cover plate (4), and one ends of the hexagon socket bolts (41) are movably penetrated through the cover plate (4) and then are in threaded connection with the first screw holes (25).
  7. 7. The sealing and seepage-proofing structure of the assembled concrete member splicing joint according to claim 1, wherein the first rubber backing plate (2) and the second rubber backing plate (21) are internally provided with metal frameworks, and the metal frameworks are arranged in an integrated T-shaped structure.
  8. 8. The sealing and seepage-proofing structure for the splicing joint of the fabricated concrete member according to claim 6, wherein the pair of the first screw holes (25) and the positioning groove (24) are symmetrically arranged with the axis of the corresponding bolt (26) as the center.
  9. 9. A construction method of an assembled concrete member splice joint seal seepage-proofing structure, applied to the assembled concrete member splice joint seal seepage-proofing structure as set forth in any one of claims 1 to 8, characterized by comprising the steps of: s1, attaching a first rubber backing plate (2) to a splicing seam (11), clamping a second rubber backing plate (21) into a locking groove (14), putting a clamping block (23) into an installation groove (22), putting a clamping plate (3) into a first clamping groove (12), enabling the end part of a hexagonal bolt (32) to pass through a positioning groove (24) and be in spiral sleeve joint with a spiral sleeve block (33), and completing preliminary positioning; S2, inserting a rod-shaped tool into the elastic groove (34) to rotate the spiral sleeve block (33), and pulling the hexagonal bolt (32) to drive the clamping plate (3) and the concrete member plate (1) to be attached to the first rubber backing plate (2) so as to finish clamping and pre-fixing; S3, screwing the bolt (26) in the clamping block (23) to enable the bolt to be in spiral sleeve joint with the metal thread ring of the second screw hole (27), driving the rubber backing plate to compress the locking groove (14) for sealing, and finishing reinforced sealing; S4, then the spiral sleeve block (33) is rotated again, so that the concrete member plate (1) further clamps the rubber backing plate, and the second rubber backing plate (21) is used for elastically positioning and sealing the splice joint (11) to complete secondary fastening; s5, finally, the cover plate (4) is placed into the mounting groove (22) and the second clamping groove (13), and the inner hexagon bolts (41) penetrate through the cover plate (4) to be in spiral sleeve joint with the first screw holes (25), so that protection packaging is completed.

Description

Assembled concrete member spliced node sealing seepage-proofing structure and construction method Technical Field The invention relates to the technical field of concrete member splicing node seepage prevention, in particular to an assembled concrete member splicing node sealing seepage prevention structure and a construction method. Background In the technical field of assembly type buildings, the concrete slab is a plate-shaped concrete structural component commonly used in the building engineering, the concrete slab can be prefabricated in a standardized factory, and the whole structure is suitable for hoisting and splicing construction and can be directly transported to the site for assembly type installation, so that the assembly type installation mode is suitable for being adopted. The seepage-proofing performance of the spliced node of the concrete slab member directly affects the overall quality and the service life of the building, so that a special seepage-proofing sealing structure is required to be arranged at the spliced node to avoid seepage risks. The sealant has good sealing and bonding properties, so that the sealant becomes a core functional material in the existing anti-seepage sealing structure. However, in practical application, the anti-seepage structure formed by single sealant is influenced by the factors of deformation of a concrete plate member and alternation of ambient temperature and humidity, so that the problems of cracking and falling easily occur, and the long-term stable anti-seepage effect is difficult to ensure. For this reason, the prior art generally adopts a composite anti-seepage sealing scheme, specifically includes a combination form of a sealant and a backing material, a sealant and a waterproof roll, and a sealant and a structural waterproof, and aims to cooperatively improve the anti-seepage reliability of the spliced node through multiple protection. On the one hand, the multi-material combination and collocation lead to complicated construction procedures, prolonged construction period and increased construction cost, and on the other hand, the seepage-proofing structure formed by the scheme is an integrated curing structure, the later disassembly difficulty is high, if the seepage damage occurs locally, the original structure is required to be stripped in a large area for overhauling and repairing, the maintenance cost is further improved, and the practical requirements of high-efficiency construction and convenient operation and maintenance of the assembled building are difficult to meet. Disclosure of Invention The invention aims to solve the problems in the background art and provides an assembled concrete member spliced node sealing seepage-proofing structure and a construction method. The application provides an assembled concrete member splicing node sealing seepage-proofing structure which comprises a pair of assembled and connected concrete member plates and a splicing seam formed after assembly, wherein a locking groove is formed in the concrete member plates and communicated with the splicing seam, a first rubber base plate is arranged in the splicing seam, a second rubber base plate clamped in the locking groove is fixedly connected to the first rubber base plate, a tensioning mechanism is arranged on the first rubber base plate to enable the second rubber base plate to be tightly abutted to the locking groove, and a clamping mechanism is further arranged on the concrete member plates and the first rubber base plate and used for enabling the pair of concrete member plates to move in the direction of the first rubber base plate to be abutted. Optionally, the tensioning mechanism is including seting up a plurality of mounting grooves that are the line shape and arrange and interval is the same on first rubber backing plate, the inside swing joint of mounting groove has the fixture block, a plurality of second draw-in grooves that block the fixture block both ends have all been seted up on the concrete member board, the inside of fixture block is equipped with the bolt, the second screw has all been seted up to the inside of mounting groove, the inside of second screw is inlayed and is had the metal screw ring, the one end of bolt all activity run through the fixture block after with the metal screw ring threaded connection in the second screw. Optionally, clamping mechanism is including seting up the first draw-in groove that sets up with corresponding second draw-in groove intercommunication on the concrete member board, the equal swing joint in inside of first draw-in groove has the cardboard, all be equipped with a plurality of hexagon bolts that correspond with the second draw-in groove on the cardboard, hexagon bolt's one end activity runs through the cardboard, the constant head tank has been seted up at the both ends of fixture block, the constant head tank is used for supplying the cardboard tip to run through, the inside of fixture block is e