CN210263060U - Bearing platform foundation pit waterproof coiled material laying construction structure - Google Patents

Abstract

The utility model relates to a bearing platform foundation pit waterproof coiled material laying construction structure, the upper surface of a bottom concrete cushion layer in a bearing platform foundation pit of the construction structure is circumferentially enclosed into a circle of internal fillet strips, the top of a brick moulding bed is circumferentially enclosed into a circle of external fillet strips along the top surface, the cross section of the external fillet strips is a right-angle external arc surface, and the cross section of the internal fillet strips is a right-angle internal arc surface; the bottom right-angle side surface of the female fillet strip is fixed with the surface of a concrete cushion layer at the bottom of a foundation pit of the cushion cap, a plastering layer thickness interval is formed between the side right-angle side surface of the fillet strip and the inner side surface of the brick moulding bed, and the height of the side right-angle side surface of the female fillet strip corresponds to the pouring thickness of a waterproof protective layer on the outer surface of the waterproof coiled material; the bottom right-angle side surface of the male fillet strip is fixed with the top surface of the brick moulding bed, and a part of the bottom right-angle side surface of the male fillet strip, which is vertically exposed relative to the inner side surface of the brick moulding bed, is used as a thickness-marking blocking surface of a plastering layer on the inner side surface of the brick moulding bed; the top side of the right-angle side surface of the male fillet strip corresponds to a pouring scraping plane of the concrete cushion layer around the top of the foundation pit of the bearing platform. The structure can reduce the construction difficulty and ensure the construction quality.

Description

Bearing platform foundation pit waterproof coiled material laying construction structure

Technical Field

The utility model relates to a construction field is a cushion cap foundation ditch waterproofing membrane lays construction structures.

Background

In the construction of a bearing platform foundation pit, brick bed moulds are often adopted for construction, and waterproof coiled materials are required to be laid after the brick bed moulds are built. According to the construction specification, in the laying construction of the waterproof coiled material, chamfers or fillets are required to be arranged at the positions of the male corners and the female corners so as to prevent the waterproof coiled material from being damaged and ensure the construction quality. The chamfer or the fillet of current negative and positive angle department adopt on-the-spot artifical mortar preparation usually, not only wastes time and energy, and because manual operation's uncertainty, often can't guarantee the roughness and the angle of chamfer or fillet, lead to the construction quality to be uneven easily, lead to the engineering cost higher because of a large amount of manual work input even. Therefore, the construction structure for laying the waterproof coiled materials in the existing bearing platform foundation pit construction needs to be improved.

Disclosure of Invention

For overcoming the above-mentioned not enough, the utility model discloses an aim at provides a cushion cap foundation ditch waterproofing membrane to this field and lays construction structure, makes it solve current construction structure of the same kind construction loaded down with trivial details, and is inefficient, and construction quality is difficult to guarantee, the higher technical problem of cost. The purpose is realized by the following technical scheme.

A cushion cap foundation pit waterproofing membrane lays construction structures, the cushion cap foundation pit in this structure includes the rubble bed course, the concrete bed course, the brick bed film, the waterproofing membrane, the waterproof protective layer, the bottom of the cushion cap foundation pit is the former soil layer, rubble bed course, the concrete bed course, the waterproofing membrane, the waterproof protective layer from bottom to top in proper order, the side of the cushion cap foundation pit is the former soil layer, the brick bed film, the plaster coat, the waterproof membrane, the waterproof protective layer from outside to inside in proper order, the top of the cushion cap foundation pit is the former soil layer, the rubble bed course, the concrete bed course, the waterproof membrane, the waterproof protective layer from bottom to top in; the structure is characterized in that a circle of internal fillet strips are formed by encircling the upper surface of a bottom concrete cushion layer in a foundation pit of the bearing platform along the circumferential direction, a circle of external fillet strips are formed by encircling the top surface of a brick moulding bed along the circumferential direction, the cross section of each external fillet strip is a right-angle external arc surface, namely, the arc surface of each external fillet strip is convex relative to a right angle, and the cross section of each internal fillet strip is a right-angle internal arc surface, namely, the arc surface of each internal fillet strip is concave relative to the right angle; the bottom right-angle side surface of the internal fillet strip is fixedly bonded with the surface of the concrete cushion layer at the bottom of the foundation pit of the bearing platform through a binder, a distance of the thickness of a plastering layer is formed between the side right-angle side surface of the internal fillet strip and the inner side surface of the brick moulding bed after the fixation, and the height of the side right-angle side surface of the internal fillet strip corresponds to the pouring thickness of the waterproof protective layer on the outer surface of the waterproof coiled material; the bottom right-angle side surface of the male fillet strip is bonded and fixed with the top surface of the brick moulding bed through an adhesive, a part of the bottom right-angle side surface of the male fillet strip is vertically exposed relative to the inner side surface of the brick moulding bed and is used as a standard thickness blocking surface on the top side of a plastering layer on the inner side surface of the brick moulding bed, and the standard thickness blocking surface forms standard thickness control on the thickness of the plastering layer; and the top side edge of the side right-angle side surface of the male fillet strip corresponds to the pouring scraping plane of the concrete cushion layer around the top of the foundation pit of the bearing platform. Above-mentioned structure, the positive fillet strip and the negative fillet strip by specification of dimensions standard replace current artifical mortar fillet or chamfer, can effectively avoid the artifical various uncertainties of pouring fillet or chamfer, effectively guarantee the roughness and the angle of fillet or chamfer, guarantee construction quality. Besides, the male fillet strip and the female fillet strip can be used as elevation or thickness reference objects during pouring, construction difficulty is effectively reduced, and construction quality is guaranteed more easily.

In the construction structure for laying the waterproof roll material of the foundation pit of the bearing platform, the structure formed by respectively enclosing the male fillet strip and the female fillet strip into a circle is formed by splicing multiple sections. The multistage splicing structure is convenient to select different splicing lengths according to the sizes of different bearing platform foundation pits.

In the construction structure for laying the waterproof roll material of the foundation pit of the bearing platform, the structure formed by the male fillet strip and the female fillet strip which are respectively surrounded into a circle is an integral flexible structure. The integral flexible structure means that the male fillet strip and the female fillet strip have flexibility, and can be bent and deformed to form a required whole-circle structure according to the requirement of the bearing platform foundation pit, so that the integrity is stronger, and the construction quality is improved.

In the construction structure for laying the waterproof roll of the bearing platform foundation pit, the side right-angle side surface of the negative fillet strip is abutted to the ash cake arranged on the inner side surface of the brick moulding bed. Because the thickness of the standard plaster cake is the thickness of the plaster layer, the side right-angle side surface of the internal fillet bar is directly abutted against the plaster cake, and the distance between the side right-angle side surface of the internal fillet bar and the brick moulding bed can be ensured to be the thickness of the plaster layer.

In the construction structure for laying the waterproof roll material of the foundation pit of the bearing platform, the side line of the intersection of the right-angle side surface of the bottom of the male fillet strip and the arc surface is flush with the surface of the ash cake arranged on the inner side surface of the brick moulding bed. Because of the thickness of standard ash cake promptly the thickness of layer of plastering, so with the border and the ash cake surface of positive fillet strip bottom right angle limit flush, can guarantee that positive fillet strip bottom right angle limit carries out effective ground mark thickness control to the top side of layer of plastering.

The utility model discloses overall structure is comparatively simple, and the construction and convenient, efficiency is higher, and artifical comparatively labour saving and time saving is fit for being applied to all kinds of cushion cap foundation ditch waterproofing membrane and lays construction structures, or construction structures's of the same kind improvement.

Drawings

Fig. 1 is the utility model discloses waterproofing membrane lays the construction structure sketch map of accomplishing.

Fig. 2 is a schematic structural diagram of the construction of the male fillet strip and the female fillet strip of the present invention.

Fig. 3 is a partial structural schematic view of the male fillet portion of the present invention.

Fig. 4 is a partial structural schematic view of the female fillet portion of the present invention.

The sequence numbers and names in the figure are: 1. the concrete waterproof concrete cushion comprises a broken stone cushion layer, 2 a concrete cushion layer, 3 a brick bed film, 4 a male fillet strip, 5 a female fillet strip, 6 a waterproof coiled material, 7 a waterproof protective layer, 8 and a plastering layer.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific construction examples.

As shown in fig. 1-4, the main body of the construction structure for laying the waterproof roll material of the foundation pit is the foundation pit, when the foundation pit is constructed, the bottom of the foundation pit sequentially comprises an original soil layer, a broken stone cushion layer 1, a concrete cushion layer 2, a waterproof roll material 6 and a waterproof protective layer 7 from bottom to top, the side surface of the foundation pit sequentially comprises the original soil layer, a brick bed, a plastering layer 8, the waterproof roll material and the waterproof protective layer from outside to inside, and the periphery of the top of the foundation pit sequentially comprises the original soil layer, the broken stone cushion layer, the concrete cushion layer, the waterproof roll material and the waterproof protective layer from bottom to top. After the construction of the brick moulding bed is finished, pasting a plaster cake on the inner side surface of the brick moulding bed, wherein the plaster cake is used for determining the thickness of the plastering layer. Then bottom circumference sets up negative fillet strip 5 and positive fillet strip 4 respectively with brick fetal membrane top surface in cushion cap foundation ditch, specifically does: the upper surface of the bottom concrete cushion layer in the foundation pit of the bearing platform is circumferentially enclosed into a circle of internal fillet strip, and the top of the brick moulding bed is circumferentially enclosed into a circle of external fillet strip along the top surface. The cross section of the male fillet is a right-angle outer arc surface, namely the arc surface of the male fillet is convex relative to the right angle. The cross section of the female fillet strip is a right-angle inner arc surface, namely the arc surface of the female fillet strip is concave relative to the right angle. The bottom right-angle side surface of the internal fillet strip is fixedly bonded with the surface of the concrete cushion at the bottom of the foundation pit of the bearing platform through a binder, and the side right-angle side surface of the internal fillet strip abuts against the mortar cake on the inner side surface of the brick molding bed after fixation, namely, the space with the thickness of the plastering layer is formed between the side right-angle side surface and the inner side surface of the brick molding bed. The height of the side right-angle side surface of the internal fillet corresponds to the pouring thickness of the waterproof protective layer on the outer surface of the waterproof roll. The bottom right angle side face of the male fillet strip is fixedly bonded with the top surface of the brick moulding bed through a bonding agent, the crossed side line of the bottom right angle side face of the male fillet and the circular arc face is flush with the surface of a mortar cake on the inner side surface of the brick moulding bed, namely, a part of the bottom right angle side face of the male fillet strip is perpendicularly exposed relative to the inner side surface of the brick moulding bed and serves as a standard thickness blocking face on the top side of a plastering layer on the inner side surface of the brick moulding bed, and the standard thickness blocking face forms standard thickness control on the thickness of the plastering layer. The top side of the side right-angle side surface of the male fillet strip corresponds to the pouring scraping plane of the concrete cushion layer around the top of the foundation pit of the bearing platform, namely the concrete cushion layer is poured to the horizontal plane to be flush with the top side of the side right-angle side surface of the male fillet. Above-mentioned structure construction is accomplished, can lay waterproofing membrane, utilizes positive fillet strip and negative fillet strip can make waterproofing membrane form good laminating with the corner position when the corner construction, guarantees construction quality. After the construction of the waterproof coiled material is finished, waterproof protective layers are respectively poured on the periphery of the bottom surface and the top surface of the foundation pit of the bearing platform, so that the waterproof coiled material is well protected.

The structure that above-mentioned positive fillet strip, cloudy fillet strip enclose into the round respectively has two kinds of schemes, and one kind adopts the multistage concatenation to constitute, and positive fillet strip, cloudy fillet strip have a plurality of unit section concatenations to form promptly to easily control actual required length. The other type is formed by bending an integral flexible structure, namely, the male fillet strip and the female fillet strip adopt flexible structures which are bent and deformed through certain force, and the flexible structure is directly bent into a required shape and length, so that the construction efficiency is improved.

The above contents are intended to illustrate the technical means of the present invention, and do not limit the technical scope of the present invention. Obvious modifications to the invention, combined with the prior common general knowledge, are also within the scope of the claims of the invention.

Claims (5)

1. A cushion cap foundation pit waterproofing membrane lays construction structures, the cushion cap foundation pit in this structure includes the rubble bed course (1), the concrete bed course (2), the brick fetal membrane (3), the waterproofing membrane (6), the water proof layer (7), the bottom of the cushion cap foundation pit is the former soil horizon from bottom to top in proper order, rubble bed course, the concrete bed course, the waterproofing membrane, the water proof layer, the side of the cushion cap foundation pit is the former soil horizon, the brick fetal membrane, the plaster coat (8), the waterproofing membrane, the water proof layer from outside to inside in proper order, the top of the cushion cap foundation pit is all around the former soil horizon, rubble bed course, the concrete bed course, the waterproofing membrane, the water proof layer in proper order from; the concrete cushion is characterized in that the upper surface of a bottom concrete cushion layer (2) in a foundation pit of the bearing platform is circumferentially surrounded into a circle of internal fillet strips (5), the top of a brick moulding bed is circumferentially surrounded into a circle of external fillet strips (4) along the top surface, the cross section of each external fillet strip is a right-angle external arc surface, namely, the arc surface of each external fillet strip is convex relative to a right angle, and the cross section of each internal fillet strip is a right-angle internal arc surface, namely, the arc surface of each internal fillet strip is concave relative to the right angle; the bottom right-angle side surface of the female fillet strip is fixedly bonded with the surface of the concrete cushion layer at the bottom of the foundation pit of the bearing platform through a binder, a space with the thickness of a plastering layer (8) is formed between the side right-angle side surface of the female fillet strip and the inner side surface of the brick moulding bed after the fixation, and the height of the side right-angle side surface of the female fillet strip corresponds to the pouring thickness of the waterproof protective layer on the outer surface of the waterproof coiled material; the bottom right-angle side surface of the male fillet strip is bonded and fixed with the top surface of the brick moulding bed through an adhesive, a part of the bottom right-angle side surface of the male fillet strip is vertically exposed relative to the inner side surface of the brick moulding bed and is used as a standard thickness blocking surface on the top side of a plastering layer on the inner side surface of the brick moulding bed, and the standard thickness blocking surface forms standard thickness control on the thickness of the plastering layer; and the top side edge of the side right-angle side surface of the male fillet strip corresponds to the pouring scraping plane of the concrete cushion layer around the top of the foundation pit of the bearing platform.

2. The structure for laying and constructing the waterproof coiled material of the foundation pit of the bearing platform as claimed in claim 1, wherein the structure formed by the circle surrounded by the male fillet strip (4) and the female fillet strip (5) is formed by splicing a plurality of sections.

3. The structure for laying and constructing the waterproof coiled material of the foundation pit of the bearing platform as claimed in claim 1, wherein the structure of the circle surrounded by the male fillet strip (4) and the female fillet strip (5) is an integral flexible structure.

4. The bearing platform foundation pit waterproof coiled material laying construction structure according to claim 1, characterized in that the side right-angle side surface of the internal fillet strip (5) is abutted against the ash cake arranged on the inner side surface of the brick bed film (3).

5. The construction structure for laying the waterproof roll material of the foundation pit of the bearing platform as claimed in claim 1, wherein the edge line of the intersection of the bottom right-angle edge surface of the male fillet strip (4) and the arc surface is flush with the surface of the ash cake arranged on the inner side surface of the brick moulding bed (3).

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