Construction method for protecting waterproof layer of waterproof side wall of underground foundation

Abstract

The invention provides a construction method for protecting a waterproof layer of a waterproof side wall of an underground foundation, and relates to the technical field of protection of waterproof layers of waterproof side walls of underground foundations. The method comprises the steps of waterproof pouring, cement pressure plate selecting, size measuring, cement plate cutting, cement plate installing and cement plate fixing, wherein waterproof pouring is concrete pouring on a foundation cushion layer; the cement pressure plates with appropriate thickness are selected according to site conditions, the cement pressure plates are used for protecting a waterproof layer of the waterproof protection wall, installation is convenient and fast, free cutting, drilling and pasting can be achieved according to needs, the construction speed is high, the cement pressure plates are pasted to the side vertical face and the top face of the waterproof protection wall, and the construction efficiency is improved. After the side vertical faces and the top waterproof layer are protected, the waterproof layer can be prevented from being scratched during steel bar construction, and the top waterproof layer can be prevented from being damaged due to treading when a worker binds the steel bars for construction. The hidden danger of water leakage and water seepage after structural construction is completed is eliminated, and the waterproof layer is protected.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof layers for protecting underground foundation waterproof side walls, and in particular to a construction method for waterproof layers for protecting underground foundation waterproof side walls. Background Art

[0002] During the construction of underground foundation of building structure, according to the construction process, generally after the cushion construction is completed, the waterproof protection wall is built, the waterproof layer is constructed on the cushion and waterproof protection wall, and then the bottom plate foundation steel bars and side wall dowel bars are tied. In order to prevent the waterproof layer from being damaged during the cutting and installation of steel bars, the waterproof layer needs to be protected. The waterproof layer protection includes the protection of the cushion waterproof layer and the protection of the side facade and top waterproof layer of the waterproof protection wall.

[0003] The protection of the cushion waterproof layer is clearly stated in the drawings by pouring fine stone concrete for protection. The protection of the side facades and top surface of the waterproof protection wall is generally not clearly stated in the design drawings. Through engineering practice, the use of cement pressure plates close to the waterproof layer for protection can achieve the effect of quick and convenient construction, high speed, low cost and good protection effect. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present invention provides a construction method for protecting the waterproof layer of the waterproof side wall of an underground foundation, which solves the problem of damaging the waterproof layer during cutting and installation of steel bars.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the present invention is implemented through the following technical solutions: a construction method for protecting the waterproof layer of the underground foundation waterproof side wall, including waterproof pouring, selecting cement pressure plates, measuring sizes, cutting cement plates, installing cement plates and fixing cement plates, wherein the waterproof pouring is to pour concrete on the foundation cushion layer; the selection of cement pressure plates is to select cement pressure plates of appropriate thickness according to on-site conditions; the measurement of sizes is to measure the height and width of the waterproof protection wall, the cutting of cement plates is to cut the appropriate sizes according to the measured sizes, and the installation of cement plates is to install the cut cement plates on the waterproof protection wall; the fixing of cement plates is to fix the cement plates on the waterproof protection wall by tools.

[0008] Preferably, the waterproof pouring is to pour a concrete protective layer on the foundation cushion layer; the concrete is fine stone concrete.

[0009] Preferably, the cement pressure board is a cement flat plate made of natural fiber and cement through pulping, forming, cutting, pressurizing and curing; the cement pressure board adopts a common cement pressure board with a thickness of 10mm; the thickness is divided into: ultra-thin boards with a thickness of less than 4mm, regular boards with a thickness of 4-12mm, thick boards with a thickness of 15-30mm and above, and ultra-thick boards with a density of 30mm or above; the specifications are divided according to the density: ordinary boards with a density of 1.5-1.75g / cm3; superior boards with a density of 1.75-1.95g / cm 3 ; Special board, density 1.95g / cm 3 The cement pressure plate has a rectangular shape, and the standard length and width are 1200×2400mm or 1220×2440mm.

[0010] Preferably, the measurement dimensions are measured using a measuring tool to measure the height and width of the waterproof protection wall and record them to facilitate subsequent cutting.

[0011] Preferably, the cutting of cement board is performed by workers using wallpaper knife to cut the cement pressure board according to the measured size.

[0012] Preferably, the cement board is installed so that the height of the cement pressure board is consistent with the height of the waterproof protection wall. The cement pressure board is tightly attached to the waterproof layer on the side facade of the waterproof protection wall and folded upward to the top surface of the waterproof protection wall to protect the top waterproof layer.

[0013] Preferably, the cement board is fixed by using tape to stick the joints of the cement pressure board to perform temporary fixation.

[0014] Working principle: According to the height of the waterproof protection wall, workers use wallpaper knives to cut the cement pressure plate so that the height of the cement pressure plate is the same as the height of the waterproof protection wall. The cement pressure plate is tightly attached to the waterproof layer of the side facade of the waterproof protection wall and folded upward to the top surface of the waterproof protection wall to protect the top waterproof layer. The joints of the cement pressure plate are temporarily fixed with tape. The cement pressure plate is pasted on the side facade and top surface of the waterproof protection wall. After the side facade and top waterproof layer are protected, it can prevent the waterproof layer from being scratched during steel bar construction and the top waterproof layer from being damaged by workers stepping on it when tying steel bars.

[0015] (III) Beneficial effects

[0016] The present invention provides a construction method for protecting a waterproof layer of an underground foundation waterproof side wall. It has the following beneficial effects:

[0017] 1. Use cement pressure plates to protect the waterproof layer of the waterproof protection wall. It is easy to install and can be freely cut, drilled, and pasted as needed, with a fast construction speed.

[0018] 2. The cement pressure plate is pasted on the side facade and top surface of the waterproof protection wall. After the side facade and top surface waterproof layer are protected, it can prevent the waterproof layer from being scratched during steel bar construction and workers from stepping on the top surface waterproof layer when tying steel bars. It eliminates the hidden dangers of water leakage and seepage after the structural construction is completed, and the protection of the waterproof layer is guaranteed. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] An embodiment of the present invention provides a construction method for protecting a waterproof side wall waterproof layer of an underground foundation, including waterproof pouring, selecting a cement pressure plate, measuring dimensions, cutting a cement plate, installing a cement plate and fixing a cement plate, wherein waterproof pouring is pouring concrete on a foundation cushion layer; selecting a cement pressure plate is selecting a cement pressure plate of appropriate thickness according to site conditions; measuring dimensions is measuring the height and width of a waterproof protective wall, cutting a cement plate is cutting a suitable size according to the measured dimensions, installing a cement plate is installing the cut cement plate on the waterproof protective wall; fixing a cement plate is fixing the cement plate on the waterproof protective wall by using tools.

[0021] Waterproof pouring is to pour a concrete protective layer on the foundation cushion; the concrete is fine stone concrete.

[0022] Cement pressure board is a cement flat plate made of natural fiber and cement through pulping, forming, cutting, pressurizing and curing. Cement pressure board adopts the ordinary cement pressure board with a thickness of 10mm. The thickness is divided into: 4mm or less is called ultra-thin board, 4-12mm is called regular board, 15-30mm and above is called thick board, and 30mm or above is called ultra-thick board. The specifications are divided according to the density: ordinary board, density is 1.5-1.75g / cm 3 ; High-quality board, density 1.75-1.95g / cm 3 ; Special board, density 1.95g / cm 3 The above; the shape of the cement pressure board is rectangular, and the standard length and width specifications are 1200×2400mm or 1220×2440mm.

[0023] The measurement size is to use a measuring tool to measure the height and width of the waterproof protection wall and record it to facilitate subsequent cutting.

[0024] Cutting cement board is done by workers using wallpaper knife to cut cement pressure board according to measured size.

[0025] When installing the cement board, the height of the cement pressure board is consistent with the height of the waterproof protection wall. The cement pressure board is tightly attached to the waterproof layer on the side facade of the waterproof protection wall, and is folded upward to the top surface of the waterproof protection wall to protect the top waterproof layer.

[0026] Fixing the cement board is done by using tape to stick the joints of the cement pressure board for temporary fixation.

[0027] For foundation pits with sump inside, the waterproofing of the sump cushion layer is also protected by pouring fine stone concrete, and the waterproofing layer of the sump side wall is also protected by close-fitting cement pressure plates, achieving good results.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction method for protecting a waterproof layer of an underground foundation waterproof side wall, characterized in that: It includes waterproof pouring, selecting cement pressure plates, measuring dimensions, cutting cement plates, installing cement plates and fixing cement plates. The waterproof pouring is to pour concrete on the foundation cushion layer; the selection of cement pressure plates is to select cement pressure plates of appropriate thickness according to on-site conditions; the measurement of dimensions is to measure the height and width of the waterproof protection wall; the cutting of cement plates is to cut the appropriate size according to the measured dimensions; the installation of cement plates is to install the cut cement plates on the waterproof protection wall; the fixing of cement plates is to fix the cement plates on the waterproof protection wall by tools.

2. A construction method for protecting the waterproof side wall waterproof layer of an underground foundation according to claim 1, characterized in that: The waterproof pouring is to pour a concrete protective layer on the foundation cushion; the concrete is fine stone concrete.

3. A construction method for protecting the waterproof side wall waterproof layer of an underground foundation according to claim 1, characterized in that: The cement pressure board is a cement flat plate made of natural fiber and cement through pulping, forming, cutting, pressurizing and curing. The cement pressure board adopts a common cement pressure board with a thickness of 10mm. The thickness is divided into: ultra-thin boards with a thickness of less than 4mm, regular boards with a thickness of 4-12mm, thick boards with a thickness of 15-30mm and above, and ultra-thick boards with a density of more than 30mm. The specifications are divided according to the density: ordinary boards with a density of 1.5-1.75g / cm3; superior boards with a density of 1.75-1.95g / cm3 3 ; Special board, density 1.95g / cm 3 The cement pressure plate has a rectangular shape, and the standard length and width are 1200×2400mm or 1220×2440mm.

4. A construction method for protecting the waterproof side wall waterproof layer of an underground foundation according to claim 1, characterized in that: The measurement dimensions are measured using a measuring tool to measure the height and width of the waterproof protection wall and record them to facilitate subsequent cutting.

5. A construction method for protecting the waterproof side wall waterproof layer of an underground foundation according to claim 1, characterized in that: The cutting of cement board is performed by workers using wallpaper knife to cut the cement pressure board according to the measured size.

6. A construction method for protecting the waterproof side wall waterproof layer of an underground foundation according to claim 1, characterized in that: The cement board is installed by making the height of the cement pressure board consistent with the height of the waterproof protection wall. The cement pressure board is tightly attached to the waterproof layer of the side facade of the waterproof protection wall and folded upward to the top surface of the waterproof protection wall to protect the top waterproof layer.

7. A construction method for protecting the waterproof side wall waterproof layer of an underground foundation according to claim 1, characterized in that: The fixing of the cement board is performed by using adhesive tape to stick the joints of the cement pressure board to perform temporary fixing.