CN113338345B - Fully-buried underground engineering crack waterproof structure and construction method - Google Patents
Fully-buried underground engineering crack waterproof structure and construction method Download PDFInfo
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- CN113338345B CN113338345B CN202110669381.2A CN202110669381A CN113338345B CN 113338345 B CN113338345 B CN 113338345B CN 202110669381 A CN202110669381 A CN 202110669381A CN 113338345 B CN113338345 B CN 113338345B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/04—Watertight packings for use under hydraulic pressure
Abstract
The application relates to a fully-buried underground engineering crack waterproof structure and a construction method, and relates to the technical field of building construction, wherein the fully-buried underground engineering crack waterproof structure comprises a structural layer with a gap, a water stop belt is arranged in the gap, waterproof supporting components are fixedly arranged on the two sides of the gap of the structural layer, a bearing plate is fixedly supported on the waterproof supporting components, and a surface layer is arranged on the bearing plate; the construction method comprises the steps of cleaning the surface of the structural layer near the gap, and filling a water stop belt into the gap; pouring concrete on two sides of the structural layer positioned in the gap to form a cast-in-place layer, and then paving a waterproof layer on the cast-in-place layer; pressing one surface of the supporting piece on the waterproof layer, fixing the waterproof layer on the structural layer by using bolts, and covering the bearing plate; and paving a surface layer on the cast-in-place layer and the bearing plate. This application can improve the waterproof structure life's of building engineering crack advantage.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a fully-buried underground engineering crack waterproof structure and a construction method.
Background
In the current building system of China, concrete structures account for a large proportion. Due to problems in design, construction, maintenance and the like, cracks occur in various degrees in a plurality of concrete structures, and the occurrence of the cracks often influences the normal use of the building, such as causing leakage.
The related technology is disclosed in patent application No. 201820235391.9, which discloses a concrete crack repairing structure for underground engineering, comprising a concrete structure and a crack, wherein a U-shaped water-based permeable crystalline waterproof coating is arranged right above the crack, and shrinkage-free quick-setting cement is filled in the U-shaped water-based permeable crystalline waterproof coating.
The application number is 201420405583.1's patent, and it discloses a basement intercommunication mouth antiseep mechanism, and the crack department of wall body has the waterproof stick of polyethylene plastics, inlays asbestos-flax pitch from filling in proper order outside interior, and the waterproof group intussuseption of polyethylene plastics is filled with water-absorbing material, and the crack opening part covers has one deck water inflation stagnant water rubber strip, and the both sides of rubber strip top are equipped with the angle steel, and the angle steel links together and fixes on the wall body through bolt and stagnant water rubber strip.
With respect to the above-described related art, the inventors consider that the following drawbacks exist: the structure after the crack is repaired is only a surface layer, so that the structure is easy to collapse and damage under the action of external force in underground engineering, and the service life of crack maintenance is shortened.
Disclosure of Invention
In order to solve the problem that the service life of the existing underground engineering crack is easy to damage after maintenance, the application provides a fully-buried underground engineering crack waterproof structure and a construction method.
In a first aspect, the application provides a fully-buried underground engineering crack waterproof structure which adopts the following technical scheme:
the utility model provides a totally bury formula underground works crack waterproof construction, includes the structural layer that has the gap, be equipped with the waterstop in the gap, the structural layer is located the gap both sides and has set firmly waterproof supporting component, and waterproof supporting component goes up to support and is fixed with the bearing plate, be equipped with the surface course on the bearing plate.
Through adopting above-mentioned technical scheme, the waterstop prevents that water from permeating from the gap, and waterproof supporting component supports the bearing plate, and the bearing plate supports the surface course, and the bearing plate can prevent that the surface course from splitting in the hollow department in gap when the surface course receives the impact, has prolonged the life of waterproof structure.
Optionally, cast-in-place layers are arranged on two sides of the structural layer, the waterproof supporting assembly is located between the cast-in-place layers and the gaps, and waterproof layers are laid on the cast-in-place layers.
Through adopting above-mentioned technical scheme, cast-in-place layer makes the structural layer surface raise, makes whole keep on a plane after waterproof supporting component installs, and the field operation personnel needn't chisel except that some structural layers like traditional mode during the construction, have reduced the loaded down with trivial details of site operation. The waterproof layer increases the waterproof performance of the cast-in-place layer.
Optionally, the waterproof supporting component comprises a supporting piece, and a limiting groove which is matched with the supporting piece to limit horizontal movement is arranged on the pressure bearing plate.
Through adopting above-mentioned technical scheme, back on support piece was placed to the bearing plate, can restrict horizontal migration through the spacing groove, take place to remove when avoiding follow-up construction and cause and can't cover above the gap.
Optionally, a filler is disposed between the support member and the cast-in-place layer.
Through adopting above-mentioned technical scheme, the filler can be with the space filling between support piece and the cast-in-place layer, reduces the emergence of hollowing.
Optionally, the waterproof support assembly comprises a prefabricated base body and a support piece embedded in the base body, and the water stop is integrally and fixedly arranged on the base body.
By adopting the technical scheme, the prefabricated waterproof supporting component and the water stop can be directly placed together during field construction, the fixing operation steps of the water stop are reduced, the possibility that leakage occurs due to poor sealing of the installation edge of the water stop for field operators is avoided, the requirement of waterproof construction on the skill of the operators is reduced while field operation is facilitated, and the waterproof performance of waterproof construction operation is kept consistent.
Optionally, a clamping groove is formed in one side, close to the gap, of the cast-in-place layer and/or the structural layer, and a clamping table matched with the clamping groove is arranged on the base body.
Through adopting above-mentioned technical scheme, the base member prevents that the structural layer from keeping away from to take place to remove through calorie platform and draw-in groove cooperation, the structure steadiness of improvement waterproof construction.
Optionally, the bottom of base member is equipped with the recess with the gap intercommunication, wears to be equipped with the trachea in the base member, and tracheal one end stretches into to the recess, and the tracheal other end stretches out the surface course and is used for connecting outside air inlet or air exhaust equipment.
Through adopting above-mentioned technical scheme, can be regularly blow and bleed to gap department through the trachea for the moist gas of gap department is taken out along with the air current, keeps the drying of gap department, reduces the possibility that the mould generated.
Optionally, the lowest end of the water stop is provided with a water collecting tank, a liquid level meter is arranged in the water collecting tank, and the liquid level meter is connected with a wire extending out of the surface layer and used for being connected with an external display device.
Through adopting above-mentioned technical scheme, when there is ponding gap department, water can flow to the water catch bowl in, the level gauge can detect the water in the water catch bowl and transmit display device through the wire, makes things convenient for the people to observe, when the discovery has ponding, can increase the time of blowing and bleeding to the trachea.
Optionally, a fire retardant belt is arranged below the water stop in the gap.
Through adopting above-mentioned technical scheme, the fire stopping belt can reduce the possibility that fireworks expand from the gap.
In a second aspect, the application provides a construction method of a fully-buried underground engineering crack waterproof structure, which adopts the following technical scheme:
a construction method of a fully-buried underground engineering crack waterproof structure comprises the following steps:
cleaning the surface of the structural layer near the gap, and filling a water stop belt into the gap;
pouring concrete on two sides of the structural layer positioned in the gap to form a cast-in-situ layer, and then paving a waterproof layer on the cast-in-situ layer;
pressing one surface of the supporting piece on the waterproof layer, fixing the waterproof layer on the structural layer by using bolts, and covering the bearing plate;
paving surface layers on the surfaces of the cast-in-place layer and the bearing plate;
or integrally fixing the water stop band and the support piece to a prefabricated base body;
pouring concrete on the structural layer to form a cast-in-place layer, extending the water stop strip into the gap, fixing the matrix on the structural layer, and covering the laminated board;
and then paving surface layers on the surfaces of the cast-in-place layer and the bearing plate.
By adopting the technical scheme, the underground engineering crack waterproof structure after construction can play a waterproof effect for a long time, and has good external force impact resistance and long service life.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the damage operation to the structural layer is reduced by field operation, the waterproof structure has strong impact resistance at the gap, is not easy to crack and seep water again, the waterproof performance is improved, and the waterproof time is prolonged;
2. during construction, the prefabricated waterproof supporting component and the water stop belt can be directly installed together, the requirement on the skill of field personnel is reduced, and the engineering quality and the waterproof performance of waterproof construction are improved.
Drawings
Fig. 1 is a schematic overall structure diagram of a fully-buried underground engineering crack waterproof structure of an embodiment 1 of the present application;
FIG. 2 is a schematic cross-sectional view of example 1 of the present application;
FIG. 3 is a schematic structural diagram of embodiment 2 of the present application;
fig. 4 is a schematic view of the overall structure of a waterproof assembly in embodiment 2 of the present application;
fig. 5 is a schematic cross-sectional view of a waterproof assembly in example 2 of the present application.
Description of reference numerals: 1. a structural layer; 11. a gap; 12. a card slot; 2. a cast-in-place layer; 21. a waterproof layer; 3. filling the seams; 4. a fire retardant belt; 5. a water stop band; 51. a water collection tank; 6. a pressure bearing plate; 61. a bump; 62. a limiting groove; 7. a waterproof support assembly; 71. a support member; 72. a filler; 73. caulking factice; 74. a substrate; 741. positioning a groove; 75. pre-burying a pipe; 742. a clamping table; 7421. a guide surface; 743. a groove; 744. an operation hole; 745. pre-burying a pipe; 75. a hollow bolt; 76. a wire; 77. an air tube; 8. a surface layer; 81. a veneer; 82. and (5) cushion coating.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example 1
The embodiment of the application discloses a totally-buried underground engineering crack waterproof structure. Referring to fig. 1 and 2, the fully-buried underground engineering crack waterproof structure comprises a structural layer 1 with a gap 11, a crack filling piece 3, a fire retardant belt 4 and a water stop belt 5 are sequentially arranged in the gap 11 from bottom to top, waterproof supporting components 7 are arranged on two sides of the structural layer 1, which are located in the gap 11, a cast-in-situ layer 2 is fixedly arranged on one side, away from the gap 11, of the structural layer 1, and a pressure bearing plate 6 and a surface layer 8 are fixed on the waterproof supporting components 7. The bearing plate 6 is fixed below the surface layer 8 of the waterproof structure corresponding to the gap 11, so that the pressure resistance of the waterproof structure is improved, the waterproof structure is not easily damaged by external force, and the service life is prolonged.
Referring to fig. 2, the structural layer 1 may be formed by pouring concrete with a waterproof agent added thereto. The cast-in-place layer 2 may be of the same material as the structural layer 1, for example waterproof concrete.
The caulking 3 may be a polystyrene strip. The fire retardant belt 4 can be composed of two layers of galvanized iron sheets and fire-resistant fibers filled between the two layers of galvanized iron sheets. The fire retardant belt 4 can be processed in the following way: bending two layers of galvanized steel plates with the thickness of 0.3mm into a U shape or a V shape, reserving 5cm of edges at two sides of each galvanized steel plate for installation, and enabling the bending angle of the lower layer steel plate to be 15-20 degrees larger than that of the upper layer steel plate; the fire retardant rock wool is paved on a large-angle steel plate, then a small-angle steel plate is paved on the fire retardant rock wool, and finally the two layers of steel plates are fixed together. When in use, the two sides of the fire retardant belt 4 can be fixed on the two side walls of the gap 11 of the structural layer 1 by nails.
Referring to fig. 2, the water stop 5 may be an ethylene propylene diene monomer water stop, two side edges of the water stop 5 are attached to the structural layer 1, primer is applied to the structural layer 1 once before the water stop 5 is placed, and then an adhesive with the same polarity is applied to the structural layer 1 twice. A waterproof layer 21 is laid on the upper portion of the cast-in-place layer 2, the waterproof layer 21 can be a waterproof coiled material such as an ethylene propylene diene monomer waterproof coiled material, the edge of the waterproof layer 21 is laid on the edge of the water stop 5, and an adhesive with the same polarity is brushed on the water stop 5 twice before the waterproof layer 21 is laid.
Referring to fig. 2, the waterproof support assembly 7 includes a support member 71 and a filler 72, the support member 71 may be an angle steel, one surface of which is horizontally pressed on the waterproof layer 21 and fixed to the structural layer 1 by chemical bolts; the filler 72 may be an elastic rubber, and the filler 72 is filled between the cast-in-place layer 2 and the support 71.
The bearing plates 6 are supported on the supporting members 71 at both sides of the gap 11, and the bearing plates 6 may be steel plates having high strength to resist impact. Two convex blocks 61 are fixed on one side of the bearing plate 6, the convex blocks 61 can also be made of steel plates, and the convex blocks 61 and the bearing plate 6 are welded and fixed. A limiting groove 62 is formed between the two convex blocks 61, and the width of the limiting groove 62 is matched with the thickness of the angle steel, so that the pressure bearing plate 6 is supported on the supporting piece 71, and the pressure bearing plate 6 is limited to move on the horizontal plane through the insertion connection of the limiting groove 62 and the end part of the supporting piece 71.
The upper plane of the bearing plate 6 and the upper plane of the cast-in-place layer 2 can be flush, and caulking factice 73 is filled in the gap between the bearing plate 6 and the cast-in-place layer 2, so that the possibility of water infiltration from the gap is reduced, and the waterproof performance is improved.
Referring to fig. 2, the surface layer 8 includes a veneer 81 and a mat 82, the mat 82 is a cement mortar layer, and the mat 82 may be constructed by: brushing a layer of 10mm thick 1:2.5 cement mortar for priming, and then brushing a layer of 8mm thick 1:2.5 cement mortar cushion layer. Before the veneer 81 is laid, a layer of building cement emulsion is brushed on the cushion layer 82.
The construction method of the fully-buried underground engineering crack waterproof structure comprises the following steps:
cleaning the surface of the structural layer 1 near the gap 11, and then filling the gap 11 with the seam piece 3, the fire-retardant belt 4 and the water-stop belt 5 in sequence.
And (3) casting concrete on two sides of the gap 11 of the structural layer 1 to form a cast-in-place layer 2, then brushing a primer and two isotropic adhesives on the cast-in-place layer 2, paving a waterproof layer 21, and pressing the edge of the waterproof layer 21 on the water stop 5.
One side of the support 71 is pressed against the waterproof layer 21 and fixed to the structural layer 1 with chemical bolts, and a filler 72 is interposed between the cast-in-place layer 2 and the support 71. The bearing plate 6 is covered, and caulking factice 73 is filled in the gap between the bearing plate 6 and the cast-in-place layer 2.
Brushing a layer of 10mm thick 1:2.5 cement mortar on the cast-in-place layer 2 and the bearing plate 6 for priming, brushing a layer of 8mm thick 1:2.5 cement mortar cushion layer to form a cushion layer 82, and paving a decorative panel 81 on the cushion layer 82.
Example 2
A totally-buried underground engineering crack waterproof structure is different from the embodiment 1 in that a waterproof supporting component 7 is a prefabricated component, and the waterproof supporting component 7 and a water stop belt 5 are fixed into a whole body with reference to figures 3 and 4.
Referring to fig. 3 and 4, notches are formed in two sides, located in the gap 11, of the structural layer 1, and two sides of the fire retardant belt 4 are attached to and placed on the bottom wall of the notch.
The cast-in-place layer 2 and the structural layer 1 are provided with a clamping groove 12 with a trapezoidal section at the side wall of the notch, and the waterproof layer 21 extends to the inner wall of the clamping groove 12 and is fixedly arranged.
Referring to fig. 4 and 5, a plurality of waterproof support assemblies 7 are provided, each waterproof support assembly 7 includes two base bodies 74 and a pre-embedded pipe 745 mounted on the base body 74, a hollow bolt 75 is connected to the pre-embedded pipe 745 in a threaded manner, and a lead 76 and an air pipe 77 are arranged in the hollow bolt 75 in a penetrating manner; the support member 71 is embedded and fixed on the base 74.
Referring to fig. 4 and 5, a water collecting tank 51 is provided at the bent portion of the water stop 5, a liquid level meter is provided in the water collecting tank 51, one end of a wire 76 is connected to the liquid level meter, and the other end is connected to an external display, so that the depth of water in the water collecting tank 51 can be known.
One end of the air pipe 77 extends into the groove 743, and the other end of the air pipe 77 is higher than the upper plane of the base body 74, so that after construction is finished, the air pipe 77 can expose the finishing layer 81 to be connected with external equipment such as a fan or an air extractor, and the fan can be replaced by other air sources such as a high-pressure air bag.
The air tube 77 and the lead wire 76 can be embedded in the base 74 after passing through the hollow bolt 75, and in other embodiments of the present embodiment, the air tube 77 and the lead wire 76 can also pass through the operation hole 744.
Compared with the embodiment 1, the waterproof supporting component 7 is a prefabricated component, the water stop belts 5 are directly fixed after field assembly, and the water stop belts 5 of two adjacent waterproof supporting components 7 can be welded or coated with waterproof glue after being abutted. Along with the time extension, when the position of the gap 11 is accumulated with water due to moisture, the water is gathered in the water collecting tank 51 and can be displayed through the liquid level meter, then the fan is started to blow air into the gap 11 through the air pipe 77, the air flows through the groove 743, in addition, the air extractor on the other side is started to extract air at the same time, so that the moisture is extracted out, the water vapor in the gap 11 is extracted along with the air flow, the dryness of the gap 11 is kept, the possibility of mildew is reduced, and the possibility of further extension of the gap 11 is effectively avoided.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a bury formula underground construction crack waterproof construction entirely, includes structural layer (1) that has gap (11), be equipped with waterstop (5) in gap (11), its characterized in that: waterproof supporting components (7) are fixedly arranged on the two sides of the gap (11) of the structural layer (1), a bearing plate (6) is fixedly supported on the waterproof supporting components (7), and a surface layer (8) is arranged on the bearing plate (6); both sides of the structural layer (1) are provided with cast-in-place layers (2), the waterproof supporting component (7) is positioned between the cast-in-place layers (2) and the gap (11), and a waterproof layer (21) is laid on the cast-in-place layers (2);
the waterproof supporting assembly (7) comprises a supporting piece (71), and a limiting groove (62) which is matched with the supporting piece (71) to limit horizontal movement is formed in the pressure bearing plate (6);
or the waterproof supporting component (7) comprises a prefabricated base body (74) and a supporting piece (71) embedded in the base body (74), and the water stop belt (5) is integrally and fixedly arranged on the base body (74).
2. The fully buried underground engineering crack waterproof construction according to claim 1, characterized in that: and a filler (72) is arranged between the support member (71) and the cast-in-place layer (2).
3. The fully buried underground engineering crack waterproof construction according to claim 1, characterized in that: a clamping groove (12) is formed in one side, close to the gap (11), of the cast-in-place layer (2) and/or the structural layer (1), and a clamping table (742) matched with the clamping groove (12) is arranged on the base body (74).
4. The fully buried underground engineering crack waterproof construction according to claim 1, characterized in that: the bottom of base member (74) is equipped with recess (743) with gap (11) intercommunication, wears to be equipped with trachea (77) in base member (74), and the one end of trachea (77) stretches into recess (743), and the other end of trachea (77) stretches out surface course (8) and is used for connecting outside air inlet or air exhaust equipment.
5. The fully buried underground engineering crack waterproof construction according to claim 4, characterized in that: the lowest end of the water stop (5) is provided with a water collecting tank (51), a liquid level meter is arranged in the water collecting tank (51), and the liquid level meter is connected with a lead (76) extending out of the surface layer (8) and used for being connected with external display equipment.
6. The fully buried underground engineering crack waterproof construction according to any one of claims 1 to 5, characterized in that: and a fire retardant belt (4) is arranged below the water stop belt (5) in the gap (11).
7. A construction method of a full-buried underground engineering crack waterproof structure according to any one of claims 1 to 5, characterized by comprising the following steps: the method comprises the following steps:
cleaning the surface of the structural layer (1) near the gap (11), and then filling a water stop (5) into the gap (11);
pouring concrete on two sides of the structural layer (1) positioned in the gap (11) to form a cast-in-situ layer (2), and then paving a waterproof layer (21) on the cast-in-situ layer (2);
pressing one surface of the support member (71) on the waterproof layer (21) and fixing the waterproof layer to the structural layer (1) by bolts, and covering the bearing plate (6);
paving a surface layer (8) on the surfaces of the cast-in-place layer (2) and the pressure bearing plate (6);
or the water stop (5) and the support (71) are integrally fixed on a prefabricated base body (74);
pouring concrete on the structural layer (1) to form a cast-in-place layer (2), extending the water stop (5) into the gap (11), fixing the matrix (74) on the structural layer (1), and covering the laminated board;
then, a surface layer (8) is paved on the surfaces of the cast-in-place layer (2) and the pressure bearing plate (6).
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| CN202110669381.2A CN113338345B (en) | 2021-06-16 | 2021-06-16 | Fully-buried underground engineering crack waterproof structure and construction method |
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| JP4056404B2 (en) * | 2003-02-03 | 2008-03-05 | 株式会社ノダ | Joint structure at the opening of a building |
| KR100934283B1 (en) * | 2007-08-09 | 2009-12-28 | 김기철 | Expansion joint waterproofing and waterproofing method of concrete structure using expansion joint member |
| CN202124949U (en) * | 2011-06-28 | 2012-01-25 | 天津天一建设集团有限公司 | Equal height type waterproof expansion joint of roof parapet wall |
| CN208981673U (en) * | 2018-10-22 | 2019-06-14 | 中天开元建设发展有限公司 | A kind of waterproof construction of deformation joint of roof |
| CN211257422U (en) * | 2019-12-07 | 2020-08-14 | 河南远航消防工程有限公司 | Building structure of antidetonation fire prevention |
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