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CN-121992882-A - Mechanical occlusion sealing connection device for waterproof layers of new and old walls and construction method

CN121992882ACN 121992882 ACN121992882 ACN 121992882ACN-121992882-A

Abstract

The mechanical occlusion sealing connection device for the waterproof layers of the new and old walls comprises a fixed base section (1) and a sealing cover plate section (2), and is characterized in that the fixed base section (1) is a strip-shaped aluminum alloy plate, splicing locks (12 and 13) used for lengthening are respectively arranged at two ends of the strip-shaped aluminum alloy plate, the sealing cover plate section (2) is a strip-shaped aluminum alloy plate matched with the fixed base section (1), a plurality of bolt holes (3) are formed in the strip-shaped aluminum alloy plate, and bolts (17) are provided, and the required sealing connection length is formed by fastening and splicing the bolt holes (3) of the fixed base section (1) and the sealing cover plate section (2). The mechanical occlusion sealing connection device for the new and old wall waterproof layers and the construction method have the advantages of complete mechanical connection, low requirement on a base surface, reliable sealing, good durability and long-term sealing effectiveness and leakage resistance of connection nodes ensured by multiple sealing designs.

Inventors

  • XU PAN
  • Tian Mengzhao
  • HAN GUANGRUI
  • LIANG XINGYI
  • Liu baoshuo

Assignees

  • 中国五冶集团有限公司

Dates

Publication Date
20260508
Application Date
20260225

Claims (9)

  1. 1. The utility model provides a new and old wall body waterproof layer mechanical interlock seal connection device, includes fixed base section (1), sealed apron section (2), its characterized in that: The fixing base section (1) is a strip-shaped aluminum alloy plate, splicing lock catches (12, 13) for lengthening are respectively arranged at two ends of the strip-shaped aluminum alloy plate, splicing bulge seals (15) are arranged at one ends of the splicing lock catches at the two ends, matched splicing grooves (14) are arranged at the other ends of the splicing lock catches and are used for lengthening a plurality of fixing base sections, a plurality of bolt holes (3) are formed in the aluminum alloy plate, a plurality of vertically downward waterproof pressing points are arranged at the lower part of one side of the aluminum alloy plate and are used for being meshed with an old wall waterproof layer, a grouting area (6) for grouting is arranged between the waterproof pressing points, a vertically upward cover plate supporting seat (10) is arranged at the upper part of one side of the aluminum alloy plate, a bottom supporting seat (7) is arranged at the lower part of the other side of the aluminum alloy plate, and upward saw-tooth-shaped lower end occlusion (8) is arranged at the upper part of the other side of the aluminum alloy plate; The sealing cover plate section (2) is a strip-shaped aluminum alloy plate matched with the fixed base section (1), a plurality of bolt holes (3) are formed in the strip-shaped aluminum alloy plate, a sealing gasket (11) is arranged at the lower part of one side of the sealing cover plate section and is used for being in sealing fit with a cover plate supporting seat (10), and a downward saw-tooth-shaped upper end occlusion (9) is arranged at the lower part of the other side of the sealing cover plate section and is used for being matched with a lower end occlusion (8) to occlude a new wall waterproof layer; Wherein, a bolt (17) is provided, and the required sealing connection length is formed by fastening and splicing the fixing base section (1) and the sealing cover plate section (2) through respective bolt holes (3).
  2. 2. The mechanical occlusion sealing connection device for new and old wall waterproof layers according to claim 1, wherein the length, width and thickness dimensions of the strip-shaped aluminum alloy plate of the fixed base section (1) are 120mm×150mm×100mm.
  3. 3. A mechanical snap-in sealing connection device for waterproof layers of old and new walls according to claim 1, characterized in that said bolts (17) are of the type M12 bolts.
  4. 4. The mechanical occlusion sealing connection device for new and old wall waterproof layers according to claim 1, wherein the grouting area is a grouting area (6) which is formed by encircling the grouting area in a length of 10mm and a height of 5mm.
  5. 5. The mechanical occlusion sealing connection device for new and old wall waterproof layers according to claim 1, wherein the end part of the waterproof pressure point is provided with a water-swelling material with the diameter of 4mm, and the device is in soft connection with a waterproof protection layer.
  6. 6. The mechanical occlusion sealing connection device for new and old wall waterproof layers according to claim 1, wherein the length, width and thickness dimensions of the sealing cover plate section (2) are 120mm multiplied by 150mm multiplied by 5mm.
  7. 7. The construction method for mechanical occlusion sealing connection of new and old wall waterproof layers as claimed in claim 1, which is characterized by comprising the following steps: a. basic unit pretreatment and positioning paying-off Spring setting a device center line and a fixed datum line along the joint design position of the new wall body and the old wall body; b. the fixed base section is installed and is meshed with the old waterproof layer for compaction, and the method comprises the following steps: 1) The single-section device is in place, namely the fixed base section (1) is tightly attached to the surface of the waterproof layer of the old wall body and aligned with the positioning datum line, the waterproof pressure points (4) and the waterproof pressure points (5) at the lower part are opposite to the waterproof layer of the old wall body, and the bottom supporting seat (7) is tightly attached to the base layer; 2) The sectional splicing and sealing are realized by buckling a splicing lock catch (12) of one section of fixed base section with a splicing lock catch (13) of the next section of fixed base section, and embedding a reserved splicing bulge (15) of one section into a reserved splicing groove (14) of the next section; 3) Mechanical fixing and occlusion compaction, wherein a bolt (17) is adopted to anchor the fixed base section on an old wall body through a bolt hole (3) of the fixed base section, so that waterproof pressure points (4, 5) are embedded into the waterproof layer surface of the old wall body; 4) After the fixed base section is completely installed, injecting clear water or pressure test liquid into the grouting area (6) in the middle to check the tightness of the occlusion between the waterproof pressure points (4, 5) and the waterproof layer of the old wall, discharging the test liquid after the leak and pressure relief are kept for 30min, and injecting waterproof grouting material (preferably epoxy grouting material or cement-based permeable crystallization type grouting material to fill the occlusion gap) into the grouting area; c. Novel waterproof layer laying and double-occlusion fixing The method comprises the steps of performing new waterproof layer construction on the outer side of a newly poured wall, cutting a new waterproof layer coiled material to a designed width, ensuring the surface of the coiled material to be flat and wrinkle-free, paving the end part of the new waterproof layer coiled material above a lower end occlusion (8) of a fixed base section, adjusting the position to align the edge of the coiled material with an occlusion area, covering a sealing cover plate section (2) above the fixed base section, and aligning an upper end occlusion (9) of the sealing cover plate section with the lower end occlusion (8) to form double clamping on the new waterproof layer; d. The bolt (17) is arranged through the bolt hole (3) of the sealing cover plate section, in the fastening process, the upper end occlusion (9) and the lower end occlusion (8) are ensured to synchronously clamp the new waterproof layer, and meanwhile, the sealing gasket (11) on the left side of the sealing cover plate section is tightly attached to the groove of the cover plate supporting seat (10) of the fixed base section, so that the sealing is realized.
  8. 8. The construction method for mechanical occlusion sealing connection of new and old wall waterproof layers according to claim 7, wherein the pressure of the pressure test liquid is less than or equal to 0.1MPa.
  9. 9. The construction method for mechanical occlusion sealing connection of new and old wall waterproof layers according to claim 7, wherein the waterproof grouting material is epoxy grouting material or cement-based permeable crystallization grouting material.

Description

Mechanical occlusion sealing connection device for waterproof layers of new and old walls and construction method Technical Field The invention belongs to the technical field of house waterproof engineering, and particularly relates to a mechanical occlusion sealing connection device for a new wall waterproof layer and an old wall waterproof layer and a construction method. Background After the underground space wall is finished and waterproof construction is completed, when an opening is required to be formed and an external connecting channel is additionally arranged due to function expansion, effective connection of new and old wall waterproof layers is a key for preventing leakage. In the prior art, the new waterproof layer is usually bonded and lapped or hot-melt and lapped, but the outer side of the original wall body of the underground space is in the underground environment for a long time, impurities such as soil, sediment, corrosive media and the like are easy to adhere to the surface of the original wall body, and are difficult to clean completely, so that the bonding degree of the bonding surface is insufficient, gaps are easy to generate due to hot-melt and lapped, and leakage hidden danger is formed. The auxiliary fixation of the batten edge sealing is adopted in partial engineering, but the traditional batten is of an integral structure, has poor adaptability, lacks sealing redundancy only through single mechanical fixation, cannot cope with the osmotic pressure generated by the change of the underground water level, and simultaneously, the integrity of the original waterproof layer is easily damaged in the fixation process, so that the leakage risk is further aggravated. The existing construction method does not solve the problem of locking of new and old waterproof occlusion and is easy to separate under dynamic load. Therefore, there is a need for a purely mechanical connecting device which does not need to thoroughly clean the impurities of the original wall, can be spliced in a modularized manner, has the functions of mechanical fixing and multiple sealing, and realizes reliable connection of the new waterproof layer and the old waterproof layer. Disclosure of Invention The invention aims to provide a safe and reliable mechanical occlusion sealing connection device for a waterproof layer of a new wall body and an old wall body. The invention further aims at providing a safe and reliable mechanical occlusion sealing connection construction method for the waterproof layers of the new and old walls. In order to achieve the above object, the technical solution of the present invention is: The utility model provides a new old wall body waterproof layer mechanical interlock seal connection device, includes fixed base section, sealed apron section, its characterized in that: The fixing base section is a strip-shaped aluminum alloy plate, splicing buckles for lengthening are respectively arranged at two ends of the strip-shaped aluminum alloy plate, splicing bulges are arranged at one ends of the splicing buckles at the two ends of the strip-shaped aluminum alloy plate, and matched splicing grooves are arranged at the other ends of the splicing buckles for lengthening a plurality of fixing base sections; The sealing cover plate section is a strip-shaped aluminum alloy plate matched with the fixed base section, and a plurality of bolt holes are formed in the strip-shaped aluminum alloy plate; The sealing cover plate comprises a fixed base section, a sealing cover plate section, a bolt hole and a bolt hole, wherein the bolt is provided and is fastened and spliced into the required sealing connection length through the bolt holes of the fixed base section and the sealing cover plate section. The mechanical occlusion sealing connection device for the new and old wall waterproof layers can be further realized by adopting the following technical measures. The mechanical occlusion sealing connecting device for the waterproof layers of the new and old walls, wherein the length, width and thickness dimensions of the long strip-shaped aluminum alloy plates of the fixed base sections are 120mm multiplied by 150mm multiplied by 100mm. The mechanical occlusion sealing connecting device for the waterproof layers of the new wall and the old wall is characterized in that the model of the bolt is M12 bolt. The mechanical occlusion sealing connecting device for the waterproof layers of the new wall body and the old wall body is characterized in that the grouting area is a grouting area with the length of 10mm and the height of 5 mm. The mechanical occlusion sealing connection device for the waterproof layers of the new and old walls is characterized in that the end part of the waterproof pressure point is provided with a water-swelling material with the diameter of 4mm, and the waterproof pressure point is in soft connection with the waterproof protection layer. The mechanical occlusion sealing connection device