40results about How to "Reduced risk of water seepage" patented technology

The invention provides a construction method for a deep foundation pit of an elevator shaft. The construction method comprises the following steps that construction of an auxiliary precipitation pit is firstly conducted; the depth of the auxiliary precipitation pit is 1-2 m larger than that of the deepest position of the deep foundation pit of the elevator shaft, and water drawing is conducted; then construction of the deep foundation pit of the elevator shaft is conducted, the deep foundation pit is made into a funnel-shaped water collection pit with the diameter of the bottom smaller than that of the top, and then water drawing is conducted; construction is conducted according to a drawing of the deep foundation pit of the elevator shaft, and water stop steel plates with the thickness of 3-5 mm are laid; construction is conducted on a waterproof layer of the surface of the elevator shaft; and finally concrete pouring is conducted. According to the construction method, construction is easy, the water level of a construction area of the elevator shaft can be lowered below the lowest point of the elevator shaft, it is guaranteed that no water is accumulated in the elevator shaft, then construction of the next procedure is conducted, and therefore water seepage risks are reduced, construction quality is improved, the construction period is shortened, and the aim of lowering cost is achieved.

The invention discloses an embedding structure and method for improving pavement cracking around a luminous floor tile. A pavement groove is embedded above a pavement, the luminous floor tile is arranged above the pavement groove, the pavement groove is dug between a zebra crossing and a carriageway, a base concrete layer is arranged at the upper part in the pavement groove, angle steel is arranged in an angle steel mounting groove through an angle steel bolt, reinforcing steel bars are arranged on one side above the base concrete layer, a drainage groove is formed at the middle above the baseconcrete layer, an anchoring plate and deformed steel are vertically arranged above the angle steel, an expansion joint rubber strip is arranged between the anchoring plate and the deformed steel, ananchoring rib is connected to the reinforcing steel bars in a welded mode, a bottom plate is arranged at the bottom of the deformed steel, both ends of partition plates are arranged in partition plate installation grooves through installation groove rubber strips, the luminous floor tile is arranged on a floor tile supporting plate, a second concrete layer is arranged on the base concrete layer,and an asphalt surface layer is arranged on the second concrete layer. The problem of water accumulation at the bottom of a cast iron box of an existing pavement light-emitting device can be solved, the pavement telescopic effect is solved, and damage of brake starting to the pavement is reduced.

The invention relates to a drainage device for seepage of joints of a deep foundation pit support structure and a construction method of the drainage device. The support structure is formed by splicing multiple groove sections. The spliced position of every two adjacent groove sections forms the joint. The drainage device comprises vertical flow guide structures, transverse flow guide structures and precipitation wells, wherein the vertical flow guide structures are embedded into the support structure and arranged along the joints, and the vertical flow guide structures communicate with the joints; the transverse flow guide structures are embedded into a bottom plate structure of a deep foundation pit and communicates with the vertical flow guide structures; and the precipitation wells communicate with the transverse flow guide structures and are located in the deep foundation pit. According to the drainage device, it can always be guaranteed that the support structure is free of wet stains, a pit bottom is free of water accumulation, structural construction is facilitated, and the safety and stability of the deep foundation pit are guaranteed; and in this way, in the constructionprocess of the deep foundation pit, the risk of seepage of the joints of the support structure is lowered, the construction quality of the work in the deep foundation pit is guaranteed, and the construction progress is accelerated.

A prefabricated plate track structure applicable to a circular tunnel comprises a base, geotechnical cloth and a track plate which are arranged in sequence from bottom to top. An adjusting layer used for eliminating manufacturing errors of the base and the track plate is arranged between the geotechnical cloth and the track plate. A connection site is arranged at the bottom of the track plate, a reinforcing mesh is arranged in the adjusting layer, and the connection site is fixedly connected with the reinforcing mesh. Drainage ditches are arranged on the two sides of the track plate. Each drainage ditch is defined by the corresponding side wall of the track plate, the top face of the adjusting layer and the corresponding side wall of the circular tunnel. The track plate is provided with two steel rails parallel to each other. The adjusting layer and the base are separated by the geotechnical cloth, so that later overhauling and maintenance of the base are convenient; meanwhile, since each drainage ditch is defined by the corresponding side wall of the track plate, the top face of the adjusting layer and the corresponding side wall of the circular tunnel, the section area of the drainage ditches is increased, and the drainage efficiency is improved; and a water current does not make contact with the base, so that the risk of water seepage of the base is reduced, and the service life of the base is prolonged.

The invention belongs to the field of ocean devices and particularly relates to a cable inlet plate of a sealed cabin. The cable inlet plate of the sealed cabin comprises a protection cylinder, a connection plate and cable inlet sealing seats. The protection cylinder is connected with the sealed cabin through the connection plate, and a plurality of cable inlet sealing seats are evenly distributed on the connection plate. All the cable inlet sealing seats are connected with the connection plate in a sealing mode respectively, and cables penetrate through the cable inlet sealing seats respectively and enter the sealed cabin. The cable inlet sealing seats comprise pressing caps, gaskets, rubber pads and sleeves. The cables penetrate through the sleeves, the two ends of the cables are provided with the rubber pads and the gaskets respectively in a sleeved mode and are pressed by the pressing caps, and therefore sealing is achieved. According to the cable inlet plate of the sealed cabin, the sealing manner of the cables entering the sealed cabin is innovated, and the special cable inlet sealing seats and the special sealing connection plate are researched and developed; the sealing manner of the cable inlet sealing seats, the sealing manner of the sealing connection plate and the sealing manner of the sealed cabin are improved, and therefore the brand-new cable inlet plate of the sealed cabin is formed; multiple cables can enter the sealed cabin in a non-leakage mode, and with the sealing manner, cables with various diameters can be well sealed.

The invention discloses a Y type metal water stop structure. The Y type metal water stop structure comprises a water stop plate main body; a first branch water stop plate and a second branch water stop plate are arranged at the upper end of the water stop plate main body, and form a V type opening surface aligned to a water facing surface; the first branch water stop plate and the water stop platemain body form an integrated structure; and the second branch water stop plate is fixedly welded with the water stop plate main body. The invention further discloses a water pool base plate and guidewall waterproof construction method. The Y type metal water stop structure and the water pool base plate and guide wall waterproof construction method have the following beneficial effects: the waterstop metal plate is adopted; the contact area of the water stop metal plate can be increased; the water flowing paths with the seepage possibility are increased; the seepage possibility is reduced; and the time and cost consumption for later structural leakage blockage are saved. Through a metal water stop band, the sectional area of the water stop metal plate is increased, the water flowing paths are increased, and the seepage risk is reduced.

The invention discloses an insulation board anchoring part device and an external wall insulation system comprising the insulation board anchoring part device. The insulation board anchoring part device comprises an anchor rod, a tail disc and a shell, the tail disc is connected to one end of the anchor rod and extends outwards in the radial direction of the anchor rod, the tail disc abuts against one side of an insulation board, the other end of the anchor rod penetrates through the insulation board and is connected with a concrete structure, the anchor rod and the tail disc are both made of metal, the shell is made of plastic, and the shell wraps the anchor rod and the tail disc. The external wall insulation system comprises the insulation board anchoring part device. The fixing effect on the insulation board can be obviously enhanced through the anchor rod and the tail disc which are made of metal materials, the pulling effect on the concrete structure is improved, the safety of the external wall insulation system is improved, and the falling risk of the insulation board is reduced. The outer part is wrapped with the plastic shell, the service life of the anchor rod and the tail disc can be prolonged, insulation performance loss is effectively reduced, the water seepage risk is reduced, water seepage damage of the external wall insulation system is prevented, and the safety and stability of the external wall insulation system are greatly improved.

A settling part formwork reinforcement assembly for fixing a first formwork and a second formwork, comprising a first positioning piece and a second positioning piece, the first positioning piece is arranged between the first formwork and the second formwork; the second positioning piece It is fixed on the first positioning member and has a certain height from the bottom end of the first positioning member, one end of the second positioning member is fixed on the first template, and the second template is placed on the second positioning member and fixed on the first positioning member higher than the first positioning member. One end of the two positioning pieces is on a straight line, so that the second template is higher than the first template. By fixing the first positioning member and the second positioning member, and making the second positioning member a certain height from the bottom end of the first positioning member, the second template is placed on the second positioning member and abuts against the first positioning member When there is a height difference between the first formwork and the second formwork, it is poured to form a settlement wall, which has a stable structure; and avoids opening holes on the formwork, reducing the risk of water seepage.

The invention relates to the technical field of construction of underwater caps, in particular to an anti-seepage method for construction of underwater caps in areas where dissolved pores and dissolved pores develop. After the cofferdam is put in place and the pouring of the bottom sealing concrete is completed, the water in the cofferdam is drained, the water seepage points on the bottom sealing concrete are checked, and the water seepage points are blocked, the water collection wells are arranged in the cofferdam, and the sealing Drain the water from the plugged seepage point into the water collection well to ensure that the blocked water seepage point no longer seeps outwards, and then start dry construction of the cap platform in places other than the water collection well in the cofferdam. When the difference between the inner and outer water heads of the cofferdam is small, Use the water pump to discharge the accumulated water collected in the water collection well, remove the water collection well, and dry construct the remaining cofferdam in the installation area of ​​the water collection well. The anti-seepage method of the present invention is simple in construction, easy to obtain materials, has good anti-seepage effect, low construction cost, good pertinence, has great promotion value, and can be widely used in the construction of various underwater caps.

The invention relates to a drainage device for seepage of joints of a deep foundation pit support structure and a construction method of the drainage device. The support structure is formed by splicing multiple groove sections. The spliced position of every two adjacent groove sections forms the joint. The drainage device comprises vertical flow guide structures, transverse flow guide structures and precipitation wells, wherein the vertical flow guide structures are embedded into the support structure and arranged along the joints, and the vertical flow guide structures communicate with the joints; the transverse flow guide structures are embedded into a bottom plate structure of a deep foundation pit and communicates with the vertical flow guide structures; and the precipitation wells communicate with the transverse flow guide structures and are located in the deep foundation pit. According to the drainage device, it can always be guaranteed that the support structure is free of wet stains, a pit bottom is free of water accumulation, structural construction is facilitated, and the safety and stability of the deep foundation pit are guaranteed; and in this way, in the constructionprocess of the deep foundation pit, the risk of seepage of the joints of the support structure is lowered, the construction quality of the work in the deep foundation pit is guaranteed, and the construction progress is accelerated.

The invention provides a floor drain structure directly connected with a drain pipe and an installation method of the floor drain structure. The floor drain structure is placed in reserved drainage pipe holes of a floor slab structure in a penetrating mode; the floor drain includes a body and a support structure, the upper port and lower port of the body are communicated with an upper-portion drainage pipe and a lower-portion drainage pipe respectively, and the peripheral face of the middle section of the body is provided with a drainage gate opening extending in the axial direction of the cylindrical shape of the body; the support structure is arranged on the peripheral side of the drainage gate in a surrounding mode and located in the reserved drainage pipe holes of the floor slab, the bottom edge of the annular peripheral wall of the support structure is provided with an annular bottom wall, a water inlet of the floor drain is formed between the top edge of the annular peripheral wall and the body, and the annular peripheral wall, the annular bottom wall and the body are defined to form an annular drainage space. By the technological means, opening of a traditional floor drain position of the floor slab can be avoided, and the number of horizontal connection pipes between the traditional floor drain and the drainage pipes is reduced, the construction cost is reduced, the construction process is reduced and the construction progress is sped up.

The invention relates to the technical field of building construction, and discloses a basement structure based on foundation pit support, which includes a basement exterior wall, support piles, foundation pit support beams and a water-stop steel frame, and the support piles are arranged on the basement exterior wall. On the outside, the foundation pit supporting beam passes through the basement outer wall and connects the basement outer wall and the supporting piles. The foundation pit supporting beam includes a plurality of first steel bars, and the waterproof steel frame is located at the junction of the foundation pit supporting beam and the basement outer wall. It is fixedly connected with the first steel bar, the inner peripheral wall of the waterproof steel frame is embedded in the foundation pit supporting beam, and the outer peripheral wall of the waterproof steel frame protrudes from the outer peripheral wall of the foundation pit supporting beam. Based on this, the water-stop steel frame can effectively resist the groundwater with a certain pressure, which greatly prolongs the path of water seepage and reduces the risk of water seepage when the groundwater penetrates into the room along the gap between the support beam and the basement exterior wall , thereby reducing the maintenance cost of the basement exterior wall, and the structure of the waterproof steel frame is simple, easy to manufacture and install.

The invention provides a construction method for a deep foundation pit of an elevator shaft. The construction method comprises the following steps that construction of an auxiliary precipitation pit is firstly conducted; the depth of the auxiliary precipitation pit is 1-2 m larger than that of the deepest position of the deep foundation pit of the elevator shaft, and water drawing is conducted; then construction of the deep foundation pit of the elevator shaft is conducted, the deep foundation pit is made into a funnel-shaped water collection pit with the diameter of the bottom smaller than that of the top, and then water drawing is conducted; construction is conducted according to a drawing of the deep foundation pit of the elevator shaft, and water stop steel plates with the thickness of 3-5 mm are laid; construction is conducted on a waterproof layer of the surface of the elevator shaft; and finally concrete pouring is conducted. According to the construction method, construction is easy, the water level of a construction area of the elevator shaft can be lowered below the lowest point of the elevator shaft, it is guaranteed that no water is accumulated in the elevator shaft, then construction of the next procedure is conducted, and therefore water seepage risks are reduced, construction quality is improved, the construction period is shortened, and the aim of lowering cost is achieved.

The invention discloses an embedding method for improving road surface cracking around luminous floor tiles. The road surface groove is embedded above the road surface, the luminous floor tile is arranged above the road surface groove, the road surface groove is excavated between the zebra crossing and the traffic lane, and the base concrete layer is arranged on the road surface Above the inside of the groove, the angle steel is set in the angle steel installation groove through the angle steel bolts, the steel bar is set on the side above the base concrete layer, the drainage groove is set in the middle above the base concrete layer, the anchor plate and the special-shaped steel are vertically set above the angle steel, and the expansion joint rubber strip Set between the anchor plate and the special-shaped steel, the anchor bar and the steel bar are welded and connected, the bottom plate is set at the bottom of the special-shaped steel, the two ends of the partition are installed in the installation groove of the partition through the rubber strips of the installation groove, and the luminous floor tiles are arranged above the floor tile support plate , the second concrete layer is arranged above the base concrete layer, and the asphalt surface layer is arranged above the second concrete layer. The invention can solve the problem of water accumulation at the bottom of the cast iron box of the existing road surface light emitting device, solve the expansion and contraction effect of the road surface, and reduce the damage to the road surface caused by brake activation.

The invention provides a polyester reinforcement and a preparation method of the polyester reinforcement. The polyester reinforcement belongs to the technical field of waterproof membranes, and can solve the problem that the waterproof effect of an existing waterproof membrane can be reduced due to improper construction in a construction process. The polyester reinforcement provided by the invention is obtained by impregnation of a non-woven fabric in impregnation liquid, and the impregnation liquid contains a fluorine-containing waterproof agent and a corn starch adhesive. After water enters the end surface of the waterproof membrane in the construction process, the polyester reinforcement provided by the invention can effectively prevent the water from wetting and penetrating the interior of the waterproof membrane, so that the service life of the waterproof membrane is effectively prolonged, the waterproof effect of the waterproof membrane is effectively improved, the risk of water seepage is reduced, and the hidden danger of water seepage is eliminated.

The invention relates to a method for sealing the gap between a building door and window frame and an opening, comprising the following steps: S1. Installing an anti-leakage device: installing an anti-leakage device on one side of the gap, and the anti-leakage device is installed along the side of the door and window frame. Peripheral continuous distribution; S2, preparation of filling mortar: mortar and water are mixed according to the mass ratio of 20:7 to 20:8, and stirred by a mixer to obtain filling mortar; S3, filling pressure filling mortar: use a pressure filler to extract the filling mortar, and pour it into the Filling and pressing the filling mortar in the gap until the gap is filled densely; S4, finishing treatment: within 1 to 3 hours after step S3 is completed, remove the leak-proof device, smooth and press the filling mortar until the filling The surface between the mortar and the door and window frame is flat without gaps. The implementation of the present invention improves the construction efficiency, implements tools and equipment in the construction process, and standardizes finished products, improves the compactness and cohesiveness of the caulking, reduces the risk of cracking of the caulking material, and reduces the risk of water seepage in the openings of doors and windows.