CN113323017B - Construction method of side wall fertilizer groove foam concrete backfill system - Google Patents
Construction method of side wall fertilizer groove foam concrete backfill system Download PDFInfo
- Publication number
- CN113323017B CN113323017B CN202110636313.6A CN202110636313A CN113323017B CN 113323017 B CN113323017 B CN 113323017B CN 202110636313 A CN202110636313 A CN 202110636313A CN 113323017 B CN113323017 B CN 113323017B
- Authority
- CN
- China
- Prior art keywords
- layer
- wall
- waterproof
- concrete layer
- foam concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011381 foam concrete Substances 0.000 title claims abstract description 47
- 239000003337 fertilizer Substances 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000004567 concrete Substances 0.000 claims abstract description 48
- 238000007667 floating Methods 0.000 claims abstract description 42
- 238000004873 anchoring Methods 0.000 claims abstract description 32
- 239000004927 clay Substances 0.000 claims abstract description 19
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 103
- 239000004746 geotextile Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 5
- 239000000565 sealant Substances 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Images
Classifications
-
- 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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
-
- 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
-
- 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
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
-
- 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
- E02D31/10—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 soil pressure or hydraulic pressure
- E02D31/12—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 soil pressure or hydraulic pressure against upward hydraulic pressure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0085—Geotextiles
- E02D2300/0089—Geotextiles non-woven
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to a construction method of a side wall fertilizer groove foam concrete backfill system, which comprises the following steps: 1) When the bottom plate of the basement is constructed, constructing and driving a plurality of anti-floating piles below the bottom plate; 2) Constructing a waterproof curtain at the bottom of a foundation pit of a fertilizer groove of a basement, and then constructing a clay impermeable layer on the bottom surface and the slope surface of the foundation pit of the fertilizer groove; 3) Welding and fixing the prefabricated triangular anti-floating frame on the outer wall through horizontal anchoring ribs; 4) After the maintenance of the foam concrete layer is finished, installing an L-shaped water stopping system on the outer wall side of the top surface of the foam concrete layer by using a water stopping bolt; 5) And adhering the lateral waterproof coiled material to the surfaces of the outer wall and the waterproof concrete layer at the corner between the outer wall and the waterproof concrete layer. The beneficial effects of the invention are: according to the invention, the underground water layer is blocked from exchanging by arranging the waterproof curtain, the stratum stability is improved, and the whole fertilizer tank backfill structure can prevent water and seepage by arranging the sandwich impermeable membrane and the clay impermeable layer, so that the backfill quality is ensured.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method of a side wall fertilizer tank foam concrete backfill system.
Background
With the development of cities, the building industry in China is developed at a high speed. Modern buildings in China break through the modern limitations on the quantity, scale, type, regional distribution and modernization level, and show brand-new postures. At present, various buildings, especially large buildings, are generally designed with basement structures, and foundation pits of different depths are required to be excavated. The fertilizer groove foundation pit is a part which is excavated for providing a working surface, and generally refers to a space between an outer wall of a basement of a building or an outer wall of a foundation and the edge of the foundation pit. Therefore, the problems of timely backfilling of the fertilizer tank and underground water seepage prevention need to be considered during the construction of the basement.
China has complex geology, facilities under construction are inevitably subjected to water-rich strata, underground water is difficult to descend, the problem of seepage prevention needs to be considered, and floating resistance and settlement resistance need to be considered. The traditional fertilizer tank backfilling construction adopts materials such as lime soil or concrete for layered backfilling, the process is complicated, the construction speed is low, and meanwhile, only waterproof coiled materials are paved on the outer wall for seepage prevention, so that the seepage prevention effect of a fertilizer tank area is poor, the overall effect in the aspect of floating and sedimentation resistance is poor, the quality of the building is influenced, and meanwhile, the safety of facilities such as peripheral buildings, roads, municipal pipe networks and the like is also influenced.
Therefore, the construction method of the side wall fertilizer tank foam concrete backfill system which is reasonable in structure, good in integral seepage-proofing effect and capable of resisting floating and settlement is very important to find.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a construction method of a side wall fertilizer tank foam concrete backfill system.
The side wall fertilizer groove foam concrete backfill system comprises a bottom plate, an anti-floating pile, an outer wall, an anchoring connecting rib, an L-shaped water stop system, a horizontal anchoring rib, a lateral waterproof coiled material, a drainage blind ditch, a waterproof concrete layer, a vertical anti-floating rib, a triangular anti-floating frame, a foam concrete layer, a sandwich impermeable membrane, a clay impermeable layer and a water-stop curtain, wherein the anti-floating pile is arranged below the bottom plate of a basement, the water-stop curtain is arranged at the bottom of a groove foundation pit, the groove foundation pit is positioned at one side of the bottom plate, the clay impermeable layer is arranged on the bottom surface and the slope surface of the fertilizer groove foundation pit, the sandwich impermeable membrane is arranged on the clay impermeable layer, the foam concrete layer is arranged on the sandwich impermeable membrane, the triangular anti-floating frame is fixed on the side wall of the basement through the horizontal anchoring rib, the side wall is arranged above one side of the bottom plate, the waterproof concrete layer is arranged on the foam concrete layer, the L-shaped water stop system is arranged at two ends of the contact surfaces of the waterproof concrete layer and the foam concrete layer, the waterproof concrete layer is fixed on the outer side wall through a waterproof bolt, the waterproof concrete layer, the upper end of the waterproof concrete cage is arranged at the upper end of the waterproof concrete cage, the waterproof cage is arranged at the lower end of the waterproof concrete layer, the upper end of the waterproof concrete cage, the waterproof cage is arranged at the upper end of the waterproof concrete cage, and the vertical anti-floating rib, the waterproof cage is arranged at the upper end of the waterproof cage, the waterproof cage is arranged at the upper end of the waterproof cage, and the waterproof cage.
Preferably, the method comprises the following steps: the L-shaped water stopping system comprises a sealant, an L-shaped water stopping strip and a rubber pad, wherein the upper end of the L-shaped water stopping strip is bent by 45 degrees, the lower end of the L-shaped water stopping strip is bent by 90 degrees, the L-shaped water stopping strip and the rubber pad are fixed through a water stopping bolt or a water stopping screw rod, and the sealant is injected into a space formed by the 45-degree bending.
Preferably, the method comprises the following steps: the sandwich anti-seepage film is formed by bonding an upper layer non-woven fabric, a middle layer anti-seepage film and a lower layer non-woven fabric.
Preferably, the method comprises the following steps: and a non-woven geotextile, a graded sandstone layer, a leveling layer and a permeable ground layer are sequentially arranged above the waterproof concrete layer from bottom to top.
Preferably, the method comprises the following steps: a water-stopping anchoring rib is inserted and fixed on the slope surface above the L-shaped water-stopping system on the slope side of the fertilizer groove foundation pit; the steel reinforcement cage includes stirrup and main muscle, main muscle one end and anchor connecting reinforcement welded connection, and the other end and stagnant water anchor muscle welded fastening, the main muscle of steel reinforcement cage bottom links to each other with vertical anti-floating muscle welding or ligature.
The construction method of the side wall fertilizer groove foam concrete backfill system comprises the following steps:
1) When the bottom plate of the basement is constructed, constructing and driving a plurality of anti-floating piles below the bottom plate, and then embedding and installing anchoring connecting ribs and horizontal anchoring ribs at corresponding positions of the outer wall at certain intervals when the outer wall of the basement is constructed;
2) Constructing a waterproof curtain at the bottom of a foundation pit of a fertilizer groove of a basement, constructing a clay impermeable layer on the bottom surface and the slope surface of the foundation pit of the fertilizer groove, paving a sandwich impermeable membrane on the clay impermeable layer, bending the lower end of the sandwich impermeable membrane for a certain length to be adhered to the wall surface of an outer wall, and embedding the upper end of the sandwich impermeable membrane into a soil body of a ground layer to a certain depth by bypassing the clay impermeable layer;
3) Welding and fixing a triangular anti-floating frame manufactured in advance on an outer wall through a horizontal anchoring rib, welding and fixing the lower end of a vertical anti-floating rib on the triangular anti-floating frame, and then pouring foam concrete to a designed height in a pouring area by using a foam concrete conveyor to form a foam concrete layer;
4) After the maintenance of the foam concrete layer is finished, installing an L-shaped water stop system on the outer wall side of the top surface of the foam concrete layer by using a water stop bolt, installing the L-shaped water stop system on the slope side of the fertilizer groove foundation pit by using a water stop screw rod, then inserting and fixing a water stop anchoring rib on the slope surface above the L-shaped water stop system on the slope side of the fertilizer groove foundation pit, then binding a reinforcement cage with a waterproof concrete layer on the foam concrete layer, welding and connecting one end of a main rib of the reinforcement cage with the anchoring connecting rib, welding and fixing the other end of the main rib with the water stop anchoring rib, welding or binding and connecting the main rib at the bottom of the reinforcement cage with a vertical anti-floating rib, then pouring concrete above the foam concrete layer to form a waterproof concrete layer with a certain inclination on the top surface, reserving a groove at the lower part of the top surface of the waterproof concrete layer, and filling broken stones or cobbles in the groove after the maintenance is finished to form a drainage ditch;
5) And (3) adhering the lateral waterproof coiled material to the surfaces of the outer wall and the waterproof concrete layer at the included angle between the outer wall and the waterproof concrete layer in a heat sealing adhesion mode, paving a layer of non-woven geotextile above the waterproof concrete layer, paving and filling a graded sandstone layer, paving a leveling layer and a permeable ground layer, and finally leveling the leveling layer and the permeable ground layer to be flush with the original ground layer to finish the construction of the water-rich stratum basement outer wall fertilizer groove foam concrete backfill structure.
The invention has the beneficial effects that:
1. according to the invention, the waterproof curtain is arranged to block the communication of the underground water layer, the stratum stability is improved, and the sandwiched impermeable membrane and the clay impermeable layer are arranged to enable the whole fertilizer tank backfill structure to be waterproof and impermeable, so that the backfill quality is ensured, and the technical benefit advantage is obvious.
2. According to the invention, the anchoring connecting ribs, the vertical anti-floating ribs and the triangular anti-floating frame are arranged, so that the integrity of the fertilizer tank backfilling structure and the basement is enhanced, meanwhile, the lightweight foam concrete is mainly backfilled, the self weight and later settlement are reduced, and the anti-floating effect of the fertilizer tank backfilling structure is improved through the anti-floating piles.
3. The drainage blind ditch provided by the invention effectively eliminates surface seepage, and the L-shaped water stopping system is arranged to prevent water from leaking and damaging and improve the overall anti-floating and anti-settling effects of the fertilizer tank and the basement.
Drawings
FIG. 1 is a schematic view of a sidewall trough foam concrete backfill system;
FIG. 2 is a schematic cross-sectional view of a basement and a fertilizer groove pit;
FIG. 3 is a schematic layout of an anti-seepage structure at the bottom of a foundation pit of a fertilizer groove;
FIG. 4 is a schematic structural view of a foamed concrete layer;
FIG. 5 is a schematic structural diagram of an L-shaped water stopping system;
FIG. 6 is a detailed view of the connection of the reinforcement cage to the lower vertical anti-floating ribs;
FIG. 7 is a plan layout view of the reinforcement cage and the L-shaped water stop system;
fig. 8 is a schematic structural view of a waterproof concrete layer.
Description of reference numerals: 1-a bottom plate; 2-anti-floating pile; 3-outer wall; 4-anchoring the connecting rib; 5-L type water-stopping system; 6-horizontal anchoring ribs; 7-side waterproof coiled material; 8-non-woven geotextile; 9-graded sandstone layer; 10-leveling layer; 11-permeable ground layer; 12-ground layer; 13-drainage blind drain; 14-waterproof concrete layer; 15-water stop screw; 16-vertical anti-floating rib; 17-triangular anti-floating frame; 18-foam concrete layer; 19-sandwich barrier membrane; 20-clay barrier layer; 21-waterproof curtain; 22-a sealant; 23-water stop bolt; 24-L-shaped water stop bar; 25-rubber pad; 26-a fertilizer groove foundation pit; 27-a reinforcement cage; 28-stirrup; 29-main reinforcement; 30-water stop anchor bar.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to provide an understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Example one
The side wall fat groove foam concrete backfill system comprises a bottom plate 1, a floating-resistant pile 2, an outer wall 3, an anchoring connecting rib 4, an L-shaped water stop system 5, a horizontal anchoring rib 6, a lateral waterproof coiled material 7, a non-woven geotextile 8, a graded gravel layer 9, a leveling layer 10, a permeable ground layer 11, a drainage blind ditch 13, a waterproof concrete layer 14, a vertical floating-resistant rib 16, a triangular floating-resistant frame 17, a foam concrete layer 18, a sandwich impermeable membrane 19, a clay impermeable layer 20 and a waterproof curtain 21, wherein the floating-resistant pile 2 is arranged below the bottom plate 1 of a basement, the waterproof curtain 21 is arranged at the bottom of a groove foundation pit 26, the groove foundation pit 26 is positioned at one side of the bottom plate 1, the clay impermeable layer 20 is arranged on the bottom surface and a slope surface of the fat groove foundation pit 26, the sandwich impermeable membrane 19 is arranged on the clay impermeable layer 20, the foam concrete layer 18 is arranged on the sandwich impermeable membrane 19, the triangular floating-resistant frame 17 is fixed on the side wall 3 through the horizontal anchoring rib 6, the waterproof concrete layer 14 is arranged above the bottom surface of the foundation pit 26, the waterproof concrete layer 14 is arranged on the outer wall 14, the waterproof concrete layer 14, the waterproof cage is arranged between the upper end of the waterproof concrete layer 14 and the waterproof concrete layer of the waterproof cage 14, the waterproof cage 14 and the waterproof cage 14, the waterproof cage is arranged on the waterproof concrete layer, the waterproof cage is arranged between the upper end of the waterproof concrete layer 14, the lateral waterproof roll 7 is arranged at the corners of the outer wall 3 and the waterproof concrete layer 14, and the non-woven geotextile 8, the graded sandstone layer 9, the leveling layer 10 and the permeable ground layer 11 are sequentially arranged above the waterproof concrete layer 14 from bottom to top.
The L-shaped water stopping system 5 comprises a sealant 22, an L-shaped water stopping strip 24 and a rubber pad 25, wherein the upper end of the L-shaped water stopping strip 24 is bent by 45 degrees, the lower end of the L-shaped water stopping strip 24 is bent by 90 degrees, and after the L-shaped water stopping strip 24 and the rubber pad 25 are fixed through a water stopping bolt 23 or a water stopping screw 15, the sealant 22 is injected into a space formed by the 45-degree bending.
The sandwich impermeable membrane 19 is formed by bonding an upper layer of non-woven fabric, a middle layer of impermeable membrane and a lower layer of non-woven fabric.
And a non-woven geotextile 8, a graded sandstone layer 9, a leveling layer 10 and a permeable ground layer 11 are sequentially arranged above the waterproof concrete layer 14 from bottom to top.
A water-stopping anchoring rib 30 is inserted and fixed on the slope surface above the L-shaped water-stopping system 5 on the slope side of the fertilizer groove foundation pit 26; the reinforcement cage 27 comprises stirrups 28 and main reinforcements 29, one end of each main reinforcement 29 is connected with the anchoring connecting reinforcement 4 in a welded mode, the other end of each main reinforcement 29 is fixedly welded with the water stopping anchoring reinforcement 30, and the main reinforcements 29 at the bottom of the reinforcement cage 27 are connected with the vertical anti-floating reinforcements 16 in a welded or bound mode.
Example two
The construction method of the side wall fertilizer groove foam concrete backfill system comprises the following steps:
1) As shown in fig. 2, when a bottom plate 1 of a basement is constructed, a plurality of anti-floating piles 2 are constructed and arranged below the bottom plate 1 to enhance the overall stability of the basement, and then when an outer wall 2 of the basement is constructed, anchoring connecting ribs 4 and horizontal anchoring ribs 6 are pre-embedded and installed at corresponding positions of the outer wall 2 at certain intervals;
2) As shown in fig. 3, a waterproof curtain 21 is firstly constructed at the bottom of a fertilizer groove foundation pit 26 of a basement, then a clay impermeable layer 20 is constructed on the bottom surface and the slope surface of the fertilizer groove foundation pit 26, an interlayer impermeable film 19 is paved on the clay impermeable layer 20, the lower end of the interlayer impermeable film 19 is bent for a certain length and is adhered to the wall surface of an outer wall 3, and the upper end of the interlayer impermeable film 19 bypasses the clay impermeable layer 20 and is buried in the soil body of a ground layer 12 to a certain depth;
3) As shown in fig. 4, a prefabricated triangular anti-floating frame 17 is welded and fixed on the outer wall 3 through a horizontal anchoring rib 6, the lower end of a vertical anti-floating rib 16 is welded and fixed on the triangular anti-floating frame 17, and then foam concrete is poured to a designed height in a pouring area by using a foam concrete conveyor to form a foam concrete layer 18;
4) As shown in fig. 5, 6 and 7, after the maintenance of the foam concrete layer 18 is completed, an L-shaped water stopping system 5 is installed on the outer wall 3 side of the top surface of the foam concrete layer by using a water stopping bolt 23, an L-shaped water stopping system 5 is installed on the slope side of the foundation pit 26 of the fertilizer groove by using a water stopping screw 15, a water stopping anchoring rib 30 is inserted and fixed on the slope surface above the L-shaped water stopping system 5 on the slope side of the foundation pit 26 of the fertilizer groove, then a reinforcement cage 27 of a waterproof concrete layer 14 is bound on the foam concrete layer 18, one end of a main rib 29 of the reinforcement cage 27 is welded and connected with the anchoring connecting rib 4, the other end of the main rib is welded and fixed with the water stopping anchoring rib 30, then the main rib 29 at the bottom of the reinforcement cage 27 is welded or bound with a vertical anti-floating rib 16, then concrete is poured above the foam concrete layer 18 to form the waterproof concrete layer 14 with a certain inclination on the top surface, a groove is reserved at the lower part of the top surface of the waterproof concrete layer 14, and after the maintenance is completed, crushed stones or pebbles are filled in the groove to form a blind ditch 13;
5) As shown in fig. 1, at the corner between the outer wall 3 and the waterproof concrete layer 14, the side waterproof roll 7 is adhered to the surfaces of the outer wall 3 and the waterproof concrete layer 14 by means of heat sealing and bonding, then a layer of non-woven geotextile 8 is laid on the waterproof concrete layer 14, then a graded sandstone layer 9 is laid, a leveling layer 10 and a permeable ground layer 11 are laid, and finally the leveling layer and the permeable ground layer are flush with the original ground layer 12, so that the construction of the basement outer wall fat groove foam concrete backfill structure of the water-rich stratum is completed.
Claims (1)
1. A construction method of a side wall fertilizer groove foam concrete backfill system is characterized by comprising the following steps:
1) when a bottom plate (1) of a basement is constructed, constructing and driving a plurality of anti-floating piles (2) below the bottom plate (1), and then embedding and installing anchoring connecting ribs (4) and horizontal anchoring ribs (6) at corresponding positions of an outer wall (3) at certain intervals when the outer wall (3) of the basement is constructed;
2) Firstly constructing a waterproof curtain (21) at the bottom of a fertilizer groove foundation pit (26) of a basement, then constructing a clay impermeable layer (20) on the bottom surface and the slope surface of the fertilizer groove foundation pit (26), paving a sandwich impermeable film (19) on the clay impermeable layer (20), bending the lower end of the sandwich impermeable film (19) for a certain length and adhering the lower end to the wall surface of an outer wall (3), and burying the upper end of the sandwich impermeable film (19) into a soil body of a ground layer (12) to a certain depth by bypassing the clay impermeable layer (20);
3) Welding and fixing a triangular anti-floating frame (17) which is manufactured in advance on an outer wall (3) through a horizontal anchoring rib (6), welding and fixing the lower end of a vertical anti-floating rib (16) on the triangular anti-floating frame (17), and then pouring foam concrete to a designed height in a pouring area by using a foam concrete conveyor to form a foam concrete layer (18);
4) After the maintenance of the foam concrete layer (18) is finished, installing an L-shaped water stop system (5) on the outer wall (3) side of the top surface of the foam concrete layer by using a water stop bolt (23), installing the L-shaped water stop system (5) on the slope side of the fertilizer groove foundation pit (26) by using a water stop screw (15), inserting and fixing a water stop anchoring rib (30) on the slope surface above the L-shaped water stop system (5) on the slope side of the fertilizer groove foundation pit (26), binding a reinforcement cage (27) of a waterproof concrete layer (14) on the foam concrete layer (18), welding or binding one end of a main rib (29) of the reinforcement cage (27) with an anchoring connecting rib (4), welding and fixing the other end of the main rib with the water stop anchoring rib (30), welding or binding the main rib (29) at the bottom of the reinforcement cage (27) with a vertical anti-floating rib (16), pouring concrete above the foam concrete layer (18) to form a waterproof concrete layer (14) with a certain inclination on the top surface, reserving a groove at a lower position of the top surface of the waterproof concrete layer (14), and filling or binding a gravel blind drainage groove to form a water drainage ditch (13);
5) At the included angle of outer wall (3) and waterproof concrete layer (14), adopt the mode of heat seal bonding, glue lateral part waterproofing membrane (7) on the surface of outer wall (3) and waterproof concrete layer (14), then lay one deck non-woven geotechnological cloth (8) above waterproof concrete layer (14) earlier, and then fill one deck gradation sandstone layer (9), then lay screed-coat (10) and permeable ground layer (11), finally with original ground layer (12) parallel and level, accomplish the construction of rich water stratum basement outer wall fat groove foam concrete backfill structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110636313.6A CN113323017B (en) | 2021-06-08 | 2021-06-08 | Construction method of side wall fertilizer groove foam concrete backfill system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110636313.6A CN113323017B (en) | 2021-06-08 | 2021-06-08 | Construction method of side wall fertilizer groove foam concrete backfill system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113323017A CN113323017A (en) | 2021-08-31 |
CN113323017B true CN113323017B (en) | 2023-03-28 |
Family
ID=77420077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110636313.6A Active CN113323017B (en) | 2021-06-08 | 2021-06-08 | Construction method of side wall fertilizer groove foam concrete backfill system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113323017B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113914342A (en) * | 2021-09-22 | 2022-01-11 | 中国建筑第四工程局有限公司 | Basement outer wall fertilizer groove drainage construction method |
CN117761290B (en) * | 2024-02-22 | 2024-06-07 | 中国地质调查局成都地质调查中心(西南地质科技创新中心) | Rainfall-induced lower rock slope collapse influence simulation test device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3716496C1 (en) * | 1987-05-16 | 1988-11-10 | Bilfinger Berger Bau | Sealing system for refuse landfills with sloping landfill delimitations |
CN208009393U (en) * | 2018-03-29 | 2018-10-26 | 中冶成都勘察研究总院有限公司 | A kind of non-dankly base manure slot backfill structure based on sponge city |
CN109930632A (en) * | 2019-02-28 | 2019-06-25 | 青岛市勘察测绘研究院 | Basement underground water self-balancing anti-floating system based on base-rock shallow slope area |
CN212427108U (en) * | 2020-05-25 | 2021-01-29 | 中国建筑第二工程局有限公司 | Interior support deep basal pit fertile groove under complicated operating mode |
CN212561554U (en) * | 2020-04-27 | 2021-02-19 | 上海市水利工程设计研究院有限公司 | Backfill structure for high-soil-retaining hydraulic structure |
-
2021
- 2021-06-08 CN CN202110636313.6A patent/CN113323017B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3716496C1 (en) * | 1987-05-16 | 1988-11-10 | Bilfinger Berger Bau | Sealing system for refuse landfills with sloping landfill delimitations |
CN208009393U (en) * | 2018-03-29 | 2018-10-26 | 中冶成都勘察研究总院有限公司 | A kind of non-dankly base manure slot backfill structure based on sponge city |
CN109930632A (en) * | 2019-02-28 | 2019-06-25 | 青岛市勘察测绘研究院 | Basement underground water self-balancing anti-floating system based on base-rock shallow slope area |
CN212561554U (en) * | 2020-04-27 | 2021-02-19 | 上海市水利工程设计研究院有限公司 | Backfill structure for high-soil-retaining hydraulic structure |
CN212427108U (en) * | 2020-05-25 | 2021-01-29 | 中国建筑第二工程局有限公司 | Interior support deep basal pit fertile groove under complicated operating mode |
Also Published As
Publication number | Publication date |
---|---|
CN113323017A (en) | 2021-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108678000B (en) | U-shaped retaining structure for roadbed underpass highway and construction method thereof | |
CN110158389A (en) | A kind of light soil road structure and its construction method | |
CN113323017B (en) | Construction method of side wall fertilizer groove foam concrete backfill system | |
CN113818300B (en) | Sponge city ecological roadbed structure based on original road and construction method thereof | |
CN114775352A (en) | Widening structure for embankment wall section of existing roadbed in riverside and construction method | |
CN110886327A (en) | Basement structure decompression anti-floating system based on slope area and construction method thereof | |
HU226433B1 (en) | Foundation slab of underground passage for road | |
CN210262555U (en) | Light soil road structure | |
CN112813757B (en) | Foam light soil composite roadbed construction method for bridge head transition treatment | |
CN114575208A (en) | Abrupt slope roadbed structure convenient to prefabricated installation | |
CN105544463B (en) | A kind of construction method of geomembrane face dam composite panel | |
CN111636483A (en) | Waterproof device for reverse construction concrete structure gap and construction method | |
CN113308957B (en) | Construction method of retaining wall light soil wide-spliced embankment | |
CN117627689A (en) | Lining water leakage prevention and control method suitable for straight thin middle wall multi-arch tunnel | |
CN112900181B (en) | Construction method for widening thin layer of asphalt pavement | |
CN215857759U (en) | Side wall fertilizer groove foam concrete backfill system | |
CN111350164B (en) | Anti-freezing damage near-water retaining wall and construction method | |
CN113982001A (en) | Construction method of flexible framework slope protection structure | |
CN113529785A (en) | Soil retaining structure suitable for eliminating frost heaving effect in cold region and construction method | |
CN220486172U (en) | Reinforcing structure suitable for mountain area highway bank section disaster damage roadbed | |
CN221095159U (en) | Backfill structure for building foundation pit | |
CN214460451U (en) | Anchor shotcrete is strutted district fertilizer groove and is backfilled structure | |
CN218508150U (en) | Roadbed structure is widened along river road | |
CN221001020U (en) | Pit-in-pit waterproof structure | |
CN221566878U (en) | Wave wall and pressure type drainage box culvert combined structure capable of reducing road surface height filling |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |