CN115653006A - Advanced water stop structure for basement and construction method thereof - Google Patents

Abstract

The application relates to the technical field of construction of post-cast strips of basement buildings, and particularly discloses an advanced water stop structure of a basement and a construction method of the advanced water stop structure, wherein the water stop structure comprises a water stop foundation, a water stop main body and a concrete foundation; the water stopping main body comprises a horizontal water stopping belt, the horizontal water stopping belt is embedded on a water stopping foundation, a vertical water stopping belt is arranged on the horizontal water stopping belt, and the vertical water stopping belt comprises a foamed concrete layer and a rubber water stopping layer positioned on the outer side of the foamed concrete layer; a rubber water stop rod is arranged in the foamed concrete layer in a penetrating way; the concrete layer steel bars extend to the horizontal water stop belts and are inserted into the rubber water stop layers, and the concrete layer steel bars inserted into the rubber water stop layers extend into the foamed concrete layer; the water seepage can penetrate to the horizontal water stop belt along the gaps at the moving direction of the steel bars of the concrete foundation, the horizontal water stop belt can directly prevent the water seepage, meanwhile, the water seepage penetrates into the foamed concrete layer, and the water seepage spread can be further effectively prevented by means of the water stopping characteristic of the foamed concrete layer.

Description

Advanced water stop structure of basement and construction method thereof

Technical Field

The application relates to the technical field of construction of post-cast strips of basement buildings, in particular to a basement advance water stop structure and a construction method thereof.

Background

And the post-cast strip is a concrete strip reserved at the corresponding positions of the foundation slab, the wall and the beam according to the design or construction specification requirement in order to prevent harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in the building construction. In order to reduce the additional stress caused by concrete shrinkage, a post-cast strip structure is generally required to be arranged in the construction of the basement so as to solve the problem of harmful cracks easily occurring after the concrete of the basement body is poured.

In traditional post-cast strip stays establishes the mode, need pour post-cast strip concrete after basement major structure is complete, and then the post-cast strip inevitably can fall into debris before sealing, and the clearance is comparatively difficult, and rainwater and construction water get into basement and basic post-cast strip easily before the post-cast strip seals simultaneously, cause the interior reinforcing bar of post-cast strip to rust seriously, form the quality hidden danger, increase the construction degree of difficulty, influence normal construction operation process, increased overall construction activity duration.

In order to shorten the overall construction operation time, a water stop main body consisting of a horizontal water stop belt and a vertical water stop belt is constructed on a foundation waterproof cushion layer, then a concrete foundation is poured on the water stop main body, an advanced water stop structure of a basement post-pouring belt with a waterproof structure is constructed, the construction of the basement main body structure is not required to be finished, and the problems that rainwater, construction water and sundries easily enter the basement and the foundation post-pouring belt, the normal construction operation process is influenced, and the overall construction operation time is prolonged are solved.

However, the current advanced water stopping structure still has the problem that the concrete water stopping main body has water seepage gaps due to the fact that concrete pouring does not meet the quality requirements, the water seepage gaps appear in the concrete water stopping main body and on the surface of the concrete water stopping main body, but the water seepage gaps are very small, the water seepage gaps are difficult to find through visual observation and with the help of conventional detection equipment, and the problem that the advanced water stopping structure generates sporadic water seepage points, partial structures or even the whole structure water stopping failure easily occurs in the later construction period.

Disclosure of Invention

In order to improve the water stopping reliability of the advanced water stopping structure of the late poured band of the basement, the application provides the advanced water stopping structure of the basement and the construction method of the advanced water stopping structure of the basement.

First aspect, this application provides a leading stagnant water structure of basement, adopts following technical scheme:

the utility model provides a leading stagnant water structure of basement, includes the leading stagnant water structure of basement, its characterized in that: comprises a water-stopping foundation, a water-stopping main body and a concrete foundation; the water-stopping foundation comprises a foundation waterproof cushion layer; the water stop main body comprises a horizontal water stop belt paved on a waterproof cushion layer of a foundation, the horizontal water stop belt is embedded on the waterproof foundation, a vertical water stop belt is arranged on the horizontal water stop belt, and the vertical water stop belt comprises a foamed concrete layer and a rubber water stop layer positioned on the outer side of the foamed concrete layer; the concrete foundation comprises a concrete layer poured and formed on the water stop foundation, and the vertical water stop belt divides the concrete layer into a left part and a right part; the rubber water stop layers are laid on the left side and the right side of the foamed concrete layer; a rubber water stop rod penetrates through the foamed concrete layer, and the rubber water stop rod penetrates through the end face of the foamed concrete layer and is exposed outside; the concrete layer is set to be a steel-concrete structure, steel bars of the concrete layer extend to the horizontal water stop belt, the steel bars of the concrete layer are bent and then pressed to abut against the horizontal water stop belt, the steel bars of the concrete layer, which form abutting fit with the horizontal water stop belt, are inserted into the rubber water stop layer, and the steel bars of the concrete layer, which are inserted into the rubber water stop layer, extend into the foamed concrete layer; the waterproof bed course of basis coats and is stamped the concrete overburden that sets up to the steel-concrete structure, be formed with the connecting hole on the concrete overburden, just concrete layer's reinforcing bar is via the intraformational reinforcing bar welded fastening of connecting hole and concrete overburden.

By adopting the technical scheme, by utilizing the characteristic that the rubber water stopping rod per se expands when meeting water to stop water, when the water seepage condition occurs and seepage water permeates into the foamed concrete layer through a surface layer crack of the foamed concrete layer, a large number of closed pores of the foamed concrete layer per se can firstly play a certain role in preventing water seepage, and on the basis, if a small amount of seepage water continues to permeate into the foamed concrete layer and is contacted with the rubber water stopping rod, the rubber water stopping rod expands when meeting water and rapidly blocks the seepage pores in the foamed concrete layer, so that the secondary seepage-stopping function is played; when the water seepage condition occurs and the seepage water permeates into the foamed concrete layer through the end part gap of the foamed concrete layer, the rubber water stop rod expands with water to block the gap at the end part of the foamed concrete layer, and the closed pore of the foamed concrete layer plays a role in assisting in stopping seepage;

the installation stability of the horizontal water stop belt and the water stop foundation below the horizontal water stop belt is improved, the structural integrity of the poured concrete foundation and the water stop main body is improved, the improvement of the structural integrity is beneficial to reducing the generation of more subsequent water seepage gaps, on the other hand, if the water seepage phenomenon occurs to the concrete foundation and the water seepage penetrates into the concrete foundation, the water seepage can penetrate into the horizontal water stop belt along the gaps at the steel bar trend of the concrete foundation, the horizontal water stop belt can directly prevent the water seepage phenomenon from spreading to other areas, meanwhile, the water seepage penetrates into the foaming concrete layer, and the water seepage spreading can be further effectively prevented by means of the water stop characteristic of the foaming concrete layer;

with the help of the reinforcing bar welded fastening top concrete layer's in the concrete cover, the constructor construction concrete layer of being convenient for, the structural integrity and the stability of concrete layer and concrete cover have been improved simultaneously, structural integrity's improvement helps reducing the production of follow-up more infiltration gaps, on the other hand, if concrete layer takes place the infiltration because of special circumstances, then concrete layer's infiltration can be via connecting hole and reinforcing bar gap guide and finally slowly permeate to stagnant water main part department, avoid expansion joint main structure to appear structural failure because of the infiltration.

Preferably, the rubber water stopping rod comprises a horizontal water stopping rod and a vertical water stopping rod, and the horizontal water stopping rod and the vertical water stopping rod are arranged in a staggered mode; rubber water stopping particles are uniformly dispersed in the foamed concrete layer.

By adopting the technical scheme, the horizontal water stopping rods and the vertical water stopping rods are arranged in a staggered manner, so that the stability of the whole structure of the foamed concrete is improved, more importantly, the water seepage phenomenon is prevented, and the water seepage is blocked in a certain area; and rubber water stopping particles are scattered in the foamed concrete layer, so that the water stopping effect is further improved.

Preferably, depressions are formed in the left side surface and the right side surface of the foamed concrete layer, and the rubber waterproof layer is attached to the side surfaces of the foamed concrete layer and partially embedded into the depressions in an elastic manner.

By adopting the technical scheme, the bonding strength of the foamed concrete layer and the rubber waterproof layer is higher, and the structural stability in the pouring process is better; if the rubber stagnant water layer appears damaged because of special circumstances, then the unsmooth cooperation structure that rubber stagnant water layer and foaming concrete layer constitute can play certain reposition of redundant personnel infiltration and stagnant water infiltration's effect.

Preferably, the horizontal waterstop is provided with a mounting groove, and the concrete layer steel bars are bent and then form an embedded fit with the mounting groove of the horizontal waterstop.

Through adopting above-mentioned technical scheme, utilize to inlay and establish the cooperation structure, improve concrete layer's reinforcing bar buckle back and horizontal waterstop's mounting groove complex stability to further improve concrete foundation and the structural integrity and the stability of stagnant water main part.

Preferably, a positioning groove is formed in the horizontal waterstop, and the bottom end of the vertical waterstop is inserted into the positioning groove; and the concrete layer is embedded and matched with the mounting groove of the horizontal water stop belt, and the steel bars of the concrete layer are inserted into the rubber water stop layer.

Through adopting above-mentioned technical scheme, one is favorable to improving the overall structure stability of stagnant water main part, and another is favorable to improving the structural integrity of stagnant water main part and concrete foundation, and more importantly, the gap that the reinforcing bar of concrete foundation moved towards the department can be followed in the infiltration to rubber stagnant water layer direction directly, and the rubber stagnant water layer of horizontal waterstop can prevent better that the infiltration phenomenon from spreading.

Preferably, the stagnant water basis is still including covering the waterproof basis on the waterproof bed course of basis, just waterproof basis coats and is stamped waterproof roll material layer, the concrete covering cover in on the waterproof roll material layer.

Through adopting above-mentioned technical scheme, the multilayer waterproof construction that waterproof bed course, waterproof foundation, waterproof roll material layer and concrete cover layer of basis constitute can effectively improve the water-proof effects on stagnant water basis, has improved the structural strength on stagnant water basis simultaneously, is convenient for construct the concrete foundation in the top, provides certain support for the concrete foundation.

Preferably, the stagnant water steel sheet has vertically been buried underground in the foaming concrete layer, the stagnant water steel sheet divide into the intraformational rubber stagnant water stick of foaming concrete layer and foaming concrete two parts about the symmetry, just the left and right sides face of stagnant water steel sheet all is provided with the rubber stagnant water board.

Through adopting above-mentioned technical scheme, stagnant water steel sheet and rubber sealing plate constitute a body structure and play the effect that prevents the infiltration and spread, and rubber sealing plate meets water expansion after can further the shutoff be close to the infiltration gap of stagnant water steel sheet, plays the effect of secondary stagnant water with the intraformational rubber stagnant water stick cooperation of foaming concrete, has solved simultaneously and has penetrated the problem that the infiltration water of stagnant water steel sheet department lasts the accumulation in certain position department via reinforcing bar place infiltration gap.

Preferably, the steel bars of the concrete layer extending to the foamed concrete layer are inserted into the rubber water stop plate and abut against the water stop steel plate, and the left side surface and the right side surface of the water stop steel plate are provided with non-smooth surfaces.

By adopting the technical scheme, the seepage water which permeates to the water stop steel plate through the seepage gap where the steel bar is positioned can spread to the periphery along the left side surface and the right side surface of the water stop steel plate, so that the problem that the seepage water is continuously accumulated at a certain position is further solved; meanwhile, the rubber water stop plate is in direct contact with the non-smooth surface of the water stop steel plate, certain small gaps can be formed, after water seepage is conducted in the small gaps, the contact area between the rubber water stop plate and the water seepage is enlarged, rapid expansion of the rubber water stop plate is facilitated, and the local area where the water seepage phenomenon occurs is blocked in reverse.

Preferably, the left side surface and the right side surface of the water stop steel plate are both provided with inclined planes, the vertical section of the water stop steel plate in the width direction is trapezoidal, and the area of the upper top surface of the water stop steel plate is smaller than that of the lower bottom surface of the water stop steel plate.

Through adopting above-mentioned technical scheme, the stagnant water steel sheet is when arranging, and the structure is more stable, and more importantly, the infiltration of upper portion position can be followed the inclined plane of stagnant water steel sheet and stretched downwards, and one is avoided the infiltration to accumulate in local position, and another can be with the infiltration of the upper portion position of the easy emergence infiltration phenomenon downwards guide to make full use of the rubber stagnant water board of lower part position.

In a second aspect, the application provides a construction method for a basement advanced water stop structure, which adopts the following technical scheme:

s1, constructing a water-stopping foundation, namely paving a foundation water-stopping cushion layer in a foundation pit; s2, constructing a water stopping main body, namely paving a horizontal water stopping belt on a water stopping foundation, and paving a vertical water stopping belt on the horizontal water stopping belt; when the vertical water stop belt is constructed, firstly, a foaming concrete layer is obtained by pouring, and then, a rubber water stop layer is fixedly bonded on the outer side of the foaming concrete layer; and S3, constructing a concrete foundation, namely pouring the water stopping foundation to obtain a concrete layer, wherein the concrete layer is divided into a left part and a right part by the water stopping main body.

Drawings

Fig. 1 is a schematic view of the whole structure of a advanced basement water stop structure without a concrete foundation according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an advanced water stop structure of a basement according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

FIG. 4 is a schematic diagram for showing a vertical waterstop structure;

FIG. 5 is a schematic cross-sectional view of the steel bar showing the direction of the steel bar;

FIG. 6 is a schematic sectional view for showing a water stop steel plate and a rubber water stop plate;

fig. 7 is a schematic cross-sectional view for showing a hydrophobic packing tube.

Description of the reference numerals: 1. water stopping foundation; 11. a basic waterproof cushion layer; 12. a waterproof foundation; 13. a waterproof roll layer; 14. a concrete cover layer; 141. connecting holes; 142. embedding a groove; 2. a water stopping main body; 21. a horizontal water stop; 211. positioning a groove; 212. mounting grooves; 22. a vertical water stop; 221. a foamed concrete layer; 222. a rubber water stopping layer; 223. a water stop steel plate; 224. a rubber water stop plate; 3. a concrete foundation; 31. a concrete layer; 4. a rubber water stop rod; 41. a horizontal water stop bar; 42. a vertical water stop rod; 5. recessing; 6. and (4) hydrophobic wrapping the pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses advanced water stop structure of basement.

Referring to fig. 1 and 2, in the advanced basement water stop structure, a water stop foundation 1 is firstly constructed at the position of a post-cast strip after basement excavation, then a water stop main body 2 is constructed on the water stop foundation 1, and finally a concrete foundation 3 is constructed on the water stop foundation 1 and the water stop main body 2. Through constructing the advanced sealing structure at the position of the basement post-cast strip, the problem that rainwater, construction water and other sundries invade the post-cast strip can be effectively solved, the construction operation quality of the post-cast strip is improved, and the total construction operation time is shortened.

Referring to fig. 1 and 2, the waterproof foundation 1 includes a foundation waterproof pad 11, and in this embodiment, the foundation waterproof pad 11 is a concrete pad poured in an excavated foundation pit, then a waterproof foundation 12 is laid on the concrete pad, a waterproof roll layer 13 is further covered on the waterproof foundation 12, and finally a concrete cover layer 14 is poured on the waterproof roll layer 13. In the embodiment of the present application, a waterproof rubber tape is used as the waterproof foundation 12, and a composite polyester cloth is used as the waterproof roll layer 13, but other suitable composite waterproof rolls may be selected to replace the composite polyester cloth.

Referring to fig. 1 and 2, the concrete cover 14 is completed by a construction method of steel-concrete pouring, and when the concrete cover 14 is poured, a hole site may be reserved according to design, that is, a connection hole 141 is formed on the concrete cover 14, so that the steel bars in the concrete cover 14 are welded and fixed to the steel bars of the concrete foundation 3 poured on the water-stopping foundation 1 and the water-stopping main body 2 through the connection hole 141.

Referring to fig. 1 and 2, a multi-layer waterproof foundation 12 structure is formed by a foundation waterproof cushion layer 11, a waterproof foundation 12, a waterproof roll layer 13 and a concrete cover layer 14, so that the overall waterproof performance of the waterproof foundation 1 is improved, and the structural strength of the waterproof foundation and the structural integrity of the concrete foundation 3 poured on the upper layer are improved to a certain extent.

Referring to fig. 1 and 2, the water stop body 2 includes a horizontal water stop 21 and a vertical water stop 22, the horizontal water stop 21 is horizontally laid on the concrete cover 14, and the vertical water stop 22 is vertically laid on the horizontal water stop 21, thereby forming a body structure.

Referring to fig. 1 and 2, in the embodiment of the present application, a waterproof rubber band may be used as the horizontal water stop 21. A horizontal, long-strip-shaped embedding groove 142 is formed in the concrete cover 14 at the middle in the width direction, and the horizontal water stop 21 can be integrally embedded in the embedding groove 142 to form elastic embedding fit. Of course, the composite structure waterstop composed of the waterproof steel plate and the waterproof rubber band can also be used as the horizontal waterstop 21, in this case, the waterproof steel plate is located on the bottom and the side of the waterproof rubber band and is in direct contact with the concrete covering layer 14, and the waterproof steel plate can be used as a forming mold for embedding the groove 142, namely, when the concrete covering layer 14 is poured, the waterproof steel plate is arranged, so that the groove 142 is embedded in the construction conveniently, and after the concrete covering layer 14 is formed, the waterproof rubber band is elastically embedded in the groove 142.

It should be noted that the outer surface of the waterproof rubber strip in the embedding groove 142 is kept coplanar with the outer surface of the waterproof cushion layer 11 of the foundation, which is beneficial to the subsequent pouring of the concrete foundation 3.

Referring to fig. 2 and 4, in the embodiment of the present application, the vertical water stop 22 includes a foamed concrete layer 221 and rubber water stop layers 222 disposed on left and right sides of the foamed concrete layer 221, and the rubber water stop layers 222 may be fixed on sides of the corresponding foamed concrete layer 221 by means of external adhesion. A horizontal, long-strip-shaped positioning groove 211 is formed in advance in the middle of the horizontal water stop 21 in the width direction, and the bottom end of the vertical water stop 22 composed of the foamed concrete layer 221 and the rubber water stop layer 222 is vertically inserted into the positioning groove 211.

Referring to fig. 2 and 4, the rubber water stop rods 4 penetrate through the foamed concrete layer 221, the rubber water stop rods 4 include horizontal water stop rods 41 and vertical water stop rods 42, the horizontal water stop rods 41 and the vertical water stop rods 42 are arranged in the foamed concrete layer 221 in a staggered manner, the horizontal water stop rods 41 penetrate through the end face of the foamed concrete layer 221 and are exposed outside, and the vertical water stop rods 42 penetrate through the bottom face of the foamed concrete layer 221 and are exposed outside. If the water seepage phenomenon occurs and the seepage water permeates into the foamed concrete layer 221 through the gaps, a large number of closed pores of the foamed concrete layer 221 can firstly play a certain role in preventing the seepage water, on the basis, if a small amount of seepage water continuously permeates into the foamed concrete layer 221 and is contacted with the rubber water stopping rod 4, the rubber water stopping rod 4 expands when meeting the water and rapidly blocks the seepage pores in the foamed concrete, so that the secondary seepage-stopping function is played; when the water seepage situation occurs and the seepage water permeates into the foamed concrete layer 221 through the gap at the end part of the foamed concrete layer 221, the rubber water stop rod 4 is expanded with water to block the gap at the end part of the foamed concrete layer 221, and at the moment, the closed hole of the foamed concrete layer 221 plays a role in assisting in stopping the seepage.

On the basis, the rubber water stopping particles are uniformly dispersed in the foamed concrete layer 221 to improve the water stopping effect of the foamed concrete layer 221, and the rubber water stopping particles can be mixed into the concrete casting material in advance and uniformly stirred to improve the uniformity of the dispersion of the rubber water stopping particles in the foamed concrete layer 221.

Referring to fig. 2 and 4, the left and right sides of the foamed concrete layer 221 are respectively formed with depressions 5 distributed in a scattered manner, the side surface of the rubber water-stop layer 222 is attached to the corresponding side surface of the foamed concrete layer 221, and the rubber water-stop layer 222 is partially elastically embedded into the depressions 5 after being adhesively fixed to the side surface of the foamed concrete layer 221, thereby improving the structural strength and stability of the vertical water stop 22 to a certain extent.

Referring to fig. 2 and 3, the concrete foundation 3 includes a concrete layer 31 formed by casting, the concrete layer 31 is a steel-concrete structure, and the concrete layer 31 is formed on the water-stop foundation 1 and the horizontal water-stop strip 21 and is divided into a left part and a right part by the vertical water-stop strip 22. As shown in fig. 5, an installation groove 212 is further formed on the horizontal water stop 21, the horizontal steel bar near the bottom in the concrete layer 31 bends and extends to the horizontal water stop 21 and presses down in the installation groove 212 of the horizontal water stop 21, and meanwhile, the horizontal steel bar in the concrete layer 31 forms an embedded fit with the corresponding installation groove 212 after bending, on the basis, the horizontal steel bar in the concrete layer 31 continues to extend along the horizontal direction until being inserted into the rubber water stop layer 222, and continues to extend into the foamed concrete layer 221; and the horizontal steel bars near the upper position or the middle position in the concrete layer 31 are directly bent and extended to the rubber water stop layer 222 and are continuously extended to the foamed concrete layer 221.

Referring to fig. 2 and 3, as can be seen from the above description of the water stop foundation 1, after the vertical steel bars in the concrete layer 31 are bent and extended, the vertical steel bars can be welded and fixed to the steel bars in the concrete cover layer 14 through the connection holes 141, so that the overall structural strength of the advanced water stop structure is improved.

As shown in fig. 5 and 6, in order to further improve the water stopping effect, when the foamed concrete layer 221 is poured, a water stopping steel plate 223 may be embedded inside the foamed concrete layer 221, the water stopping steel plate 223 is located at a middle position in the width direction of the foamed concrete layer 221, the foamed concrete layer 221 and the rubber water stopping rods 4 in the foamed concrete layer 221 are divided into a left part and a right part, and the left part and the right part are symmetrically arranged, that is, the distribution positions of the rubber water stopping rods 4 in the left part and the right part are the same.

As shown in fig. 5 and fig. 6, the rubber water stop plates 224 are attached to the left and right sides of the water stop steel plate 223, in the embodiment of the present application, the horizontal steel bars extending to the concrete layer 31 in the foamed concrete layer 221 need to be inserted into the rubber water stop plates 224 and abut against the corresponding sides of the water stop steel plates 223, so that the water stop steel plates and the rubber water stop plates form an integrated structure and play a role in preventing water seepage and spreading, and the rubber water stop plates can further block the water seepage gaps near the water stop steel plates after swelling in water, and cooperate with the rubber water stop rods in the foamed concrete layer to play a secondary water stop effect, and simultaneously solve the problem that the seepage water penetrating to the water stop steel plates through the water seepage gaps where the steel bars are located continuously accumulates at a certain position.

In addition, it should be noted that fig. 2, 4, and 5 show the water stopping structure without the water stopping steel plate 223 and the rubber water stopping plate 224, and fig. 6 shows the water stopping structure with the water stopping steel plate 223 and the rubber water stopping plate 224.

In the embodiment of the present application, the left and right sides of the water-stopping steel plate 223 are non-smooth surfaces, irregular lines may be engraved on the sides of the water-stopping steel plate 223, or irregular lines may be polished on the sides of the water-stopping steel plate 223, so as to play a role in further diffusing and seeping water, after the seeping water is diffused, the contact area between the rubber water-stopping plate 224 and the seeping water is enlarged, and the rubber water-stopping plate 224 can rapidly expand to block the seeping water gap, thereby improving the effect of water seepage blocking in turn.

Referring to fig. 6, in the embodiment of the present application, a vertical cross section of the water stop steel plate 223 in the width direction is an isosceles trapezoid, both left and right side surfaces of the water stop steel plate 223 are inclined planes, and an upper top surface area of the water stop steel plate 223 is smaller than a lower bottom surface area. The water-stopping steel plate 223 having such a structure is used, one of which is to improve the stability of the water-stopping steel plate 223 during construction, and the other is to guide the water leakage at the upper position where the water leakage is likely to occur downward, thereby making full use of the rubber water-stopping plate at the lower position.

Referring to fig. 7, on the basis of the above technical solution, a hydrophobic wrapping pipe 6 for wrapping the end of the inserted steel bar may be further disposed in the foamed concrete layer 221, the hydrophobic wrapping pipe 6 is a hollow pipeline structure formed by mixing hydrophobic silica into a polyvinyl chloride plastic pipe to enhance the strength, toughness and hydrophobicity of the polyvinyl chloride plastic pipe, a plurality of through holes (not shown in the figure) are uniformly formed in the surface of the pipeline structure in a penetrating manner, the through holes communicate the hollow cavity of the pipeline structure with gaps in the foamed concrete layer 221, so that water seepage penetrating into the foamed concrete layer 221 along the steel bar can be quickly diffused to the peripheral side through the hydrophobic wrapping pipe 6, and is contacted with rubber water stopping particles through the gaps in the foamed concrete layer 221, thereby achieving the purpose of quickly diffusing and then quickly stopping water.

Referring to fig. 7, the hydrophobic wrapping pipes 6 are uniformly disposed on both sides of the water stopping steel plate 223, the hydrophobic wrapping pipes 6 are uniformly spaced along the height direction of the foamed concrete layer 221, and the hydrophobic wrapping pipes 6 are horizontally embedded in the foamed concrete layer 221 and abut against the rubber water stopping plate 224 on the side of the water stopping steel plate 223.

In order to further improve the hydrophobic effect of the hydrophobic coating pipe 6, the through holes have shallow depth, and the through holes of the hydrophobic coating pipe 6 can be filled with foamed concrete, especially the through holes of the hydrophobic coating pipe 6 facing the upper side after being buried in the foamed concrete layer 221, so that the overall hydrophobic effect of the hydrophobic coating pipe 6 is improved by utilizing the pore hydrophobic property of the foamed concrete.

The embodiment of the application also discloses a construction method of the advanced water stop structure of the basement.

A construction method of a basement advance water stop structure comprises the following steps:

s1, constructing a water-stopping foundation 1;

s1.1, pouring a concrete cushion layer in a foundation pit to obtain a basic waterproof cushion layer 11;

s1.2, laying a layer of waterproof rubber belt on a waterproof foundation cushion 11 of the foundation to be used as a waterproof foundation 12;

s1.3, laying a layer of composite polyester cloth or other suitable composite waterproof coiled materials on a waterproof foundation 12 to be used as a waterproof coiled material layer 13;

s1.4, paving a steel bar structure on the waterproof coil layer 13, and performing pouring construction to obtain a concrete covering layer 14, meanwhile, prefabricating embedded grooves 142 and connecting holes 141 on the concrete covering layer 14, wherein the embedded grooves 142 and the connecting holes 141 can be obtained by matching a forming mold with concrete for pouring, the forming mold can be poured in concrete, or can be taken out, and steel bars in the concrete covering layer 14 are exposed outside through the connecting holes 141;

s2, constructing a water stopping main body 2;

s2.1, elastically embedding and laying a waterproof rubber belt used as a horizontal water stop belt 21 in an embedding groove 142 of the concrete covering layer 14, and prefabricating and reserving a positioning groove 211 on the horizontal water stop belt 21;

s2.2, pouring a foamed concrete layer 221 in the positioning groove 211 of the horizontal water stop band 21, placing an integral structure formed by the water stop steel plate 223 and the rubber water stop plate 224 in the middle position of pouring in advance, pouring the foamed concrete layer 221 while feeding the horizontal water stop rod 41 and the vertical water stop rod 42 into the integral structure, enabling the horizontal water stop rod 41 and the vertical water stop rod 42 to be arranged in the foamed concrete layer 221 in a staggered mode, enabling the vertical water stop rod 42 to vertically abut against the horizontal water stop band 21, and enabling the rubber water stop rods 4 on the two sides of the water stop steel plate 223 to be symmetrically distributed; in addition, the end faces of the poured foamed concrete layer 221 need to be finished so that the horizontal and vertical water stop rods 41 and 42 are exposed at the end faces; if the hydrophobic wrapping pipes 6 need to be arranged in the foamed concrete layer 221, the hydrophobic wrapping pipes 6 need to be embedded in the foamed concrete layer 221 while the foamed concrete layer 221 is poured, the hydrophobic wrapping pipes 6 are abutted to the rubber water stop plates 224 on the two sides of the water stop steel plate 223, when the foamed concrete layer 221 is poured, the foamed concrete does not block the hydrophobic wrapping pipes 224, the open ends of the hydrophobic wrapping pipes 224 can be blocked in advance through plugs and the like, and the blocking devices such as plugs and the like are taken down after the foamed concrete layer 221 is poured and formed;

s2.3, adhering and fixing a rubber waterproof layer 222 on the outer side of the foamed concrete layer 221, and vertically embedding the rubber waterproof layer 222 in the positioning groove 211;

s3, constructing a concrete foundation 3,

s3.1, paving a steel bar structure on the concrete covering layer 14 of the water stop foundation 1, welding and fixing a vertical steel bar in the steel bar structure with the steel bar of the concrete covering layer 14 through a connecting hole 141 after bending and extending, meanwhile, a horizontal steel bar in the steel bar structure abuts against the horizontal water stop band 21 after bending and extending, and partially extends into the rubber water stop layer 222 of the vertical water stop band 22, and is inserted into the rubber water stop plate 224 until abutting against the water stop steel plate 223, wherein the extending position needs to be determined according to the preset design so as to avoid influencing the self structural characteristics of the rubber water stop layer 222;

and S3.2, pouring concrete on the concrete covering layer 14 of the water-stopping foundation 1 to obtain a concrete layer 31, wherein the concrete layer 31 is divided into a left part and a right part by the water-stopping main body 2.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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 (10)

1. The utility model provides a leading stagnant water structure of basement which characterized in that: comprises a water-stopping foundation (1), a water-stopping main body (2) and a concrete foundation (3);

the water-stopping foundation (1) comprises a foundation waterproof cushion layer (11);

the water stopping main body (2) comprises a horizontal water stopping belt (21) laid on a foundation waterproof cushion layer (11), the horizontal water stopping belt (21) is embedded on the water stopping foundation (1), a vertical water stopping belt (22) is arranged on the horizontal water stopping belt (21), and the vertical water stopping belt (22) comprises a foamed concrete layer (221) and a rubber water stopping layer (222) located on the outer side of the foamed concrete layer (221);

the concrete foundation (3) comprises a concrete layer (31) poured and formed on the water stop foundation (1), and the vertical water stop belt (22) separates the concrete layer (31) into a left part and a right part;

the rubber waterproof layers (222) are laid on the left side and the right side of the foamed concrete layer (221); a rubber water stopping rod (4) penetrates through the foamed concrete layer (221), and the rubber water stopping rod (4) penetrates through the end face of the foamed concrete layer (221) and is exposed outside;

the concrete layer (31) is of a steel-concrete structure, steel bars of the concrete layer (31) extend to the horizontal water stop belt (21), the steel bars of the concrete layer (31) are bent and then pressed down to abut against the horizontal water stop belt (21), the steel bars of the concrete layer (31) which are in abutting fit with the horizontal water stop belt (21) are inserted into the rubber water stop layer (222), and the steel bars of the concrete layer (31) inserted into the rubber water stop layer (222) extend into the foamed concrete layer (221);

the waterproof bed course of basis (11) is gone up to cover and is set up concrete blanket (14) for the steel-concrete structure, be formed with connecting hole (141) on concrete blanket (14), just the reinforcing bar of concrete layer (31) is fixed with the reinforcing bar welding in concrete blanket (14) via connecting hole (141).

2. The advanced water stop structure for the basement according to claim 1, wherein: the rubber water stopping rod (4) comprises a horizontal water stopping rod (41) and a vertical water stopping rod (42), and the horizontal water stopping rod (41) and the vertical water stopping rod (42) are arranged in a staggered mode; rubber water stopping particles are uniformly dispersed in the foamed concrete layer (221).

3. The advanced water stop structure for basements according to claim 2, wherein: depressions (5) are formed in the left side surface and the right side surface of the foamed concrete layer (221), and the rubber waterproof layer (222) is attached to the side surfaces of the foamed concrete layer (221) and is partially embedded into the depressions (5) in an elastic mode.

4. The advanced water stop structure for basements according to claim 1, wherein: the horizontal water stop (21) is provided with a mounting groove (212), and the steel bars of the concrete layer (31) are bent and then form an embedded matching with the mounting groove (212) of the horizontal water stop (21).

5. The advanced basement water stop structure according to claim 1 or 4, wherein: the horizontal water stop (21) is further provided with a positioning groove (211), and the bottom end of the vertical water stop (22) is inserted into the positioning groove (211).

6. The advanced water stop structure for basements according to claim 1, wherein: stagnant water basis (1) is still including covering waterproof basis (12) on basic waterproof bed course (11), just waterproof basis (12) are gone up to cover has waterproof roll material layer (13), concrete coating (14) cover in on waterproof roll material layer (13).

7. The advanced basement water stop structure according to claim 1 or 2, wherein: the foaming concrete layer (221) is internally and vertically embedded with a water stop steel plate (223), the water stop steel plate (223) divides the foaming concrete layer (221) and a rubber water stop rod (4) in the foaming concrete layer (221) into a left part and a right part which are symmetrical, and the left side surface and the right side surface of the water stop steel plate (223) are respectively provided with a rubber water stop plate (224).

8. The advanced water stop structure for basements according to claim 7, wherein: the steel bars of the concrete layer (31) extending to the foamed concrete layer (221) are inserted into the rubber water stop plate (224) and abut against the water stop steel plate (223), and the left side surface and the right side surface of the water stop steel plate (223) are provided with non-smooth surfaces.

9. The advanced basement water stop structure according to claim 8, wherein: the left and right sides face of stagnant water steel sheet (223) all sets up the inclined plane into the slope, stagnant water steel sheet (223) width direction's vertical cross-section is trapezoidal, just the last top surface area of stagnant water steel sheet (223) is less than bottom surface area down.

10. A construction method is characterized in that: the advanced water stop structure for the basement according to any one of the claims 1-9, comprising the following steps,

s1, constructing a water-stopping foundation (1), and paving a foundation waterproof cushion (11) in a foundation pit;

s2, constructing a water stopping main body (2), namely paving a horizontal water stopping belt (21) on a water stopping foundation (1), and paving a vertical water stopping belt (22) on the horizontal water stopping belt (21); when the vertical water stop (22) is constructed, firstly, a foaming concrete layer (221) is poured, and then a rubber water stop layer (222) is bonded and fixed on the outer side of the foaming concrete layer (221);

and S3, constructing the concrete foundation (3), pouring the water stopping foundation (1) to obtain a concrete layer (31), and dividing the concrete layer (31) into a left part and a right part by the water stopping main body (2).

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