CN111593722A - Building surface settlement repairing method - Google Patents
Building surface settlement repairing method Download PDFInfo
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- CN111593722A CN111593722A CN202010482271.0A CN202010482271A CN111593722A CN 111593722 A CN111593722 A CN 111593722A CN 202010482271 A CN202010482271 A CN 202010482271A CN 111593722 A CN111593722 A CN 111593722A
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- partition wall
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- Life Sciences & Earth Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
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- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a method for repairing settlement of a building surface, which is characterized by comprising the following steps of: step S1: crushing the building ground surface with the settlement part by using a pavement crusher, removing the original filler of the settlement part, then crushing the settlement part to form a concrete surface on the inner side wall of the foundation pit, cleaning, polishing if necessary, and repairing in advance for honeycombs, holes and the like; step S2: and cleaning the inner side of the foundation pit. Through the pile foundation of design, suddenly thorn, connecting axle, divider wall, automatic restoration bag, wire netting and fastening nut, current building earth's surface subsides repair formula method carries out the overlay type between the layer and fills mostly, the phenomenon that appears the crust easily between the layer and the layer, seriously influences the stability after the building earth's surface is restoreed, and waterproof performance is relatively poor, when inside waterproof construction suffers destruction, can't carry out automatic restoration, seriously shortens the life's of the building earth's surface after the restoration problem.
Description
Technical Field
The invention belongs to the technical field of building construction methods, and particularly relates to a method for repairing settlement of a building surface.
Background
Under the load of the building, the foundation soil is vertically deformed or sunk due to compression. Even settlement is generally less harmful to the building, but too great, the elevation of the building is lowered, and the use is affected. And (5) estimating settlement during foundation design.
The uneven settlement is harmful to the building, and causes additional stress to the building to cause cracks, even partial components are broken, and the safety of the building is endangered, however, the method for repairing the settlement of the ground surface of the building on the market still has various defects and cannot meet the production requirement.
The existing building ground surface settlement repairing method is mainly characterized in that overlay filling is carried out between layers, the phenomenon of crust easily occurs between layers, the stability of the repaired building ground surface is seriously influenced, the waterproof performance is poor, when an internal waterproof structure is damaged, automatic repairing cannot be carried out, and the service life of the repaired building ground surface is seriously shortened.
Disclosure of Invention
The invention aims to provide a method for restoring the settlement of the earth surface of a building, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for restoring settlement of a building surface comprises the following steps:
step S1: crushing the building ground surface with the settlement part by using a pavement crusher, removing the original filler of the settlement part, then crushing the settlement part to form a concrete surface on the inner side wall of the foundation pit, cleaning, polishing if necessary, and repairing in advance for honeycombs, holes and the like;
step S2: after the inner side of the foundation pit is cleaned, measuring and setting off, forming holes on the surface of the foundation along the line by using a hole forming device, inserting the pile foundation into the holes, pouring 40mm quick-acting plugging cement into the pile foundation, and enabling the tip parts of the spurs to penetrate through bayonets and sink into the inner side walls of the holes formed in the foundation under the action of pressure;
step S3: after the installation work of the pile foundation is finished, rolling the foundation by using a sheep foot rolling machine to squeeze and tamp the foundation, wherein the compaction degree of the foundation is not less than 96%, and the vertical permeability coefficient of the compacted foundation is not more than 6 x 12-3 cm/s;
step S4: then laying a partition wall and a metal binding wire mesh, after each layer of filling and paving is finished, rolling by adopting smooth vibration rolling, detecting compactness, and filling the concrete floor after the requirements are met;
step S5: and after the filling work of the concrete is finished, whether the concrete is qualified or not is checked.
Preferably, the cross-sectional shape of bayonet socket is the trapezium structure to the inboard minimum bore value of bayonet socket is less than the biggest chi footpath of the outside cambered surface of spurs, and the bayonet socket is as the pile foundation inboard and the medium that switches on between the outside for the position spurs can be shifted out by the inside of pile foundation, and can not break away from the pile foundation, utilizes the spurs to increase and is connected the face between pile foundation and the ground, can further improve the stability that the pile foundation is located the hole inside.
Preferably, the inner side wall of the partition wall is fixedly connected with a first partition board and a second partition board respectively, the second partition board and the first partition board are vertically arranged in a staggered mode, automatic repair bags are filled between the first partition board and the second partition board and between the first partition board, the second partition board and the partition wall, the first partition board and the second partition board can partition the inner side of the partition wall, regional water stopping is formed, and the waterproof effect of the partition wall is further improved.
Preferably, a first connecting sleeve is clamped at the crossed part between the first partition plate and the second partition plate, a second connecting sleeve is clamped at the position, corresponding to the first connecting sleeve, of the surface of the metal binding wire net, the second connecting sleeve and the first connecting sleeve are both sleeved on the surface of the connecting shaft, the first connecting sleeve and the second connecting sleeve are respectively used as connecting media between the partition wall and the metal binding wire net and the connecting shaft, the reinforcing effect can be achieved on the partition wall and the connecting part of the metal binding wire net and the connecting shaft, the positions of the partition wall and the metal binding wire net are limited, and then the stability of the partition wall and the metal binding wire net can be improved.
Preferably, the automatic repairing bag is of an oval structure, catalyst particles are filled in the automatic repairing bag, when the partition wall is broken due to impact force, the automatic repairing bag in the partition wall is broken, the pre-polymerized high polymer flows out of the automatic repairing bag and permeates into cracks, and the pre-polymerized high polymer is bonded and cured under the action of the catalyst particles to repair the cracks, so that the waterproof performance is improved.
Preferably, the surface of the connecting shaft is provided with an external thread, the surface of the external thread is in threaded connection with a fastening nut, the bottom of the fastening nut is in lap joint with the top of the metal binding wire mesh, and the external thread is matched with the fastening nut to be used for reducing a joint gap between the metal binding wire mesh and the partition wall, so that the stability of the metal binding wire mesh and the partition wall can be further improved.
Preferably, the surface of the metal binding wire mesh is respectively provided with a first grouting opening and a second grouting opening, and the inner diameter of the second grouting opening is larger than that of the first grouting opening, so that when the concrete floor is poured on the surface of the metal binding wire mesh, the uniform speed of grout towards the inside of the metal binding wire mesh can be accelerated, and the uniformity of the internal strength of the metal binding wire mesh is improved.
Preferably, the connecting axle is located the inside of pile foundation to the connecting axle surface has seted up the connecting hole corresponding to the position of pile foundation, makes to the inside in-process of pile foundation inside filling thick liquids, and thick liquids can flow into the inside of connecting axle, therefore alright improve the connecting axle in the inside stability of pile foundation to a certain extent, and can improve self to the metal prick the support effect of silk screen and divider wall.
Preferably, after the metal binding wire mesh and the partition wall are limited on the surface of the connecting shaft, the bonding mortar protective layer can be plastered and pressed, then the anti-crack mortar is plastered and pressed, then two permanent coagulation liquids are coated, and the mortar edges are preferably enlarged by 50mm respectively during coating, so that the stability between the metal binding wire mesh and the partition wall is further improved.
Preferably, an asphalt layer can be poured on the upper surface of the concrete floor.
Compared with the prior art, the invention has the beneficial effects that:
1. through the pile foundation of design, suddenly thorn, connecting axle, divider wall, automatic restoration bag, wire netting and fastening nut, current building earth's surface subsides repair formula method carries out the overlay type between the layer and fills mostly, the phenomenon that appears the crust easily between the layer and the layer, seriously influences the stability after the building earth's surface is restoreed, and waterproof performance is relatively poor, when inside waterproof construction suffers destruction, can't carry out automatic restoration, seriously shortens the life's of the building earth's surface after the restoration problem.
2. Through the designed connecting shaft, the first connecting sleeve and the second connecting sleeve are respectively used as a partition wall and a connecting medium between the metal binding wire net and the connecting shaft, the partition wall and the connecting part between the metal binding wire net and the connecting shaft can be reinforced, the positions of the partition wall and the metal binding wire net are limited, and then the stability of the partition wall and the metal binding wire net can be improved, through the designed automatic repairing bag, when the partition wall is broken by impact force, the automatic repairing bag in the partition wall is broken, prepolymer polymer flows out of the automatic repairing bag and permeates into cracks, is bonded and solidified under the action of catalyst particles, and the cracks are repaired, so that the waterproof performance is improved, through the designed external threads and the designed fastening nuts, the external threads and the fastening nuts are matched, and can be used for reducing the connecting gaps between the metal binding wire net and the partition wall, the stability of wire netting and divider wall can further be improved, through the second slip casting mouth and the first slip casting mouth of design, when the surface concrete floor of wire netting is pour, can accelerate the thick liquid to the inside even speed of wire netting, improve the homogeneity of wire netting internal strength.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic top view of a partition wall according to the present invention;
FIG. 3 is a schematic sectional view of the pile foundation of the present invention;
FIG. 4 is a schematic top view of a wire-bonded mesh of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention at A;
in the figure: 1. a foundation; 2. a pile foundation; 3. a bayonet; 4. bur protruding; 5. a connecting shaft; 6. a concrete floor; 7. connecting holes; 8. a first connecting sleeve; 9. a first separator; 10. a second separator; 11. a dividing wall; 12. automatically repairing the capsule; 13. a second connecting sleeve; 14. binding a wire mesh with metal; 15. a first grouting port; 16. a second grouting port; 17. fastening a nut; 18. and (4) external threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a method for restoring settlement of a building surface comprises the following steps:
step S1: crushing the building ground surface with the settlement part by using a pavement crusher, removing the original filler of the settlement part, then crushing the settlement part to form a concrete surface on the inner side wall of the foundation pit, cleaning, polishing if necessary, and repairing in advance for honeycombs, holes and the like;
step S2: after the inner side of the foundation pit is cleaned up, measuring and setting off, forming holes on the surface of the foundation 1 along the line by using a hole forming device, then inserting the pile foundation 2 into the holes, pouring 40mm quick-acting plugging cement into the pile foundation 2, and leading the tip parts of the spurs 4 to penetrate through the bayonets 3 and sink into the inner side wall of the holes formed in the foundation 1 under the action of pressure;
step S3: after the installation work of the pile foundation 2 is finished, rolling the foundation 1 by using a sheep foot rolling machine to squeeze and tamp the foundation 1, wherein the compaction degree of the foundation 1 is not less than 96%, and the vertical permeability coefficient of the compacted foundation 1 is not more than 6 x 12-3 cm/s;
step S4: then, paving the partition wall 11 and the metal binding wire mesh 14, rolling by adopting smooth vibration rolling after each layer of filling and paving is finished, detecting the compactness, and filling the concrete floor 6 after the requirements are met;
step S5: and after the filling work of the concrete is finished, whether the concrete is qualified or not is checked.
In this embodiment, it is preferred, bayonet 3's cross sectional shape is the trapezium structure to the most bore value of 3 inboard of bayonet is less than the biggest chi footpath of the outside cambered surface of bayonet 4, and bayonet 3 is as the medium that switches on between 2 inboard and outsides of pile foundation, makes position bayonet 4 can be shifted out by the inside of pile foundation 2, and can not break away from pile foundation 2, utilizes bayonet 4 to increase and is connected the face between pile foundation 2 and the ground 1, can further improve the stability that pile foundation 2 is located the hole inside.
In this embodiment, preferably, the inner side walls of the partition wall 11 are fixedly connected with a first partition board 9 and a second partition board 10 respectively, the second partition boards 10 and the first partition boards 9 are vertically arranged in a staggered manner, automatic repair bags 12 are filled between the first partition boards 9 and the second partition boards 10 and between the first partition boards 9 and the partition wall 11 and between the second partition boards 10 and the partition wall 11, and the first partition boards 9 and the second partition boards 10 can partition the inner sides of the partition wall 11 to form regional water stop, so as to further improve the waterproof effect of the partition wall 11.
In this embodiment, preferably, the first connecting sleeve 8 is clamped at the intersection between the first partition plate 9 and the second partition plate 10, the second connecting sleeve 13 is clamped at a position on the surface of the wire-tying net 14 corresponding to the first connecting sleeve 8, and the second connecting sleeve 13 and the first connecting sleeve 8 are both sleeved on the surface of the connecting shaft 5, and through the designed connecting shaft 5, the first connecting sleeve 8 and the second connecting sleeve 13 are respectively used as connecting media between the partition wall 11 and the wire-tying net 14 and the connecting shaft 5, so that the connection between the partition wall 11 and the connecting shaft 5 and the connection between the partition wall 11 and the wire-tying net 14 can be reinforced, the positions of the partition wall 11 and the wire-tying net 14 are limited, and further, the stability of the partition wall 11 and the wire-tying net 14 can be improved.
In this embodiment, preferably, the automatic repair capsule 12 has an oval structure, and the catalyst particles are filled in the automatic repair capsule 12, and when the partition wall 11 is broken by an impact force, the automatic repair capsule 12 in the partition wall 11 is broken, and the pre-polymerized polymer flows out of the automatic repair capsule 12 and permeates into a crack, and is bonded and cured under the action of the catalyst particles to repair the crack, thereby improving the waterproof performance.
In this embodiment, preferably, the surface of the connecting shaft 5 is provided with an external thread 18, the surface of the external thread 18 is connected with a fastening nut 17 in a threaded manner, the bottom of the fastening nut 17 is overlapped with the top of the metal binding wire net 14, and by means of the designed external thread 18 and the fastening nut 17, the external thread 18 and the fastening nut 17 can be used for reducing a joint gap between the metal binding wire net 14 and the partition wall 11 under the matching effect, so that the stability of the metal binding wire net 14 and the partition wall 11 can be further improved.
In this embodiment, preferably, the surface of the metal binding wire mesh 14 is respectively provided with a first grouting opening 15 and a second grouting opening 16, and the inner diameter of the second grouting opening 16 is larger than the inner diameter of the first grouting opening 15, and through the designed second grouting opening 16 and the first grouting opening 15, when the concrete floor 6 is poured on the surface of the metal binding wire mesh 14, the uniform rate of grout towards the inside of the metal binding wire mesh 14 can be accelerated, and the uniformity of the internal strength of the metal binding wire mesh 14 can be improved.
In this embodiment, preferably, the connecting shaft 5 is located inside the pile foundation 2, and the connecting hole 7 is opened in the position of the surface of the connecting shaft 5 corresponding to the pile foundation 2, and through the designed connecting hole 7, in the process of filling the slurry inside the pile foundation 2, the slurry can flow into the inside of the connecting shaft 5, so that the stability of the connecting shaft 5 inside the pile foundation 2 can be improved to a certain extent, and the supporting effect of the connecting shaft on the metal binding wire mesh 14 and the partition wall 11 can be improved.
In this embodiment, preferably, after the wire netting 14 and the partition wall 11 are limited on the surface of the connecting shaft 5, the adhesive mortar protective layer can be plastered, the anti-crack mortar can be plastered, and then two permanent set liquids are painted, and the mortar edges are preferably enlarged by 50mm during painting, so as to further improve the stability between the wire netting 14 and the partition wall 11.
In this embodiment, preferably, an asphalt layer may be poured on the upper surface of the concrete floor 6, and the designed asphalt layer may protect the concrete floor 6 to a certain extent.
The working principle and the using process of the invention are as follows: after the device is installed, a pavement crusher is used for crushing the building earth surface with a settlement part, the original filler of the settlement part is removed, then the concrete surface on the inner side wall of a foundation pit formed by crushing the settlement part is cleaned, if necessary, polishing is carried out, if honeycombs, holes and the like are repaired in advance, after the inner side of the foundation pit is cleaned, measurement and paying-off are carried out, a hole is formed on the surface of a foundation 1 along the line by using a hole opening device, then a pile foundation 2 is inserted into the hole, 40mm quick-acting plugging cement is poured into the pile foundation 2, the tip part of a spurt 4 penetrates through a bayonet 3 and sinks into the inner side wall of the hole formed in the foundation 1 under the action of pressure, after the installation work of the pile foundation 2 is completed, a sheep-foot roller is used for rolling the foundation 1, the foundation 1 is extruded and compacted, the compaction degree of the foundation 1 is not less than 96%, the vertical permeability coefficient of the compacted foundation, and then, paving the partition wall 11 and the metal binding wire mesh 14, rolling by adopting smooth vibration rolling after each layer of filling and paving is finished, detecting the compactness, filling the concrete floor 6 after the requirement is met, and checking whether the concrete is qualified or not after the filling of the concrete is finished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The method for restoring the settlement of the building surface is characterized by comprising the following steps of:
step S1: crushing the building ground surface with the settlement part by using a pavement crusher, removing the original filler of the settlement part, then crushing the settlement part to form a concrete surface on the inner side wall of the foundation pit, cleaning, polishing if necessary, and repairing in advance for honeycombs, holes and the like;
step S2: after the inner side of a foundation pit is cleaned up, measuring and setting out, forming holes on the surface of a foundation (1) along the line by using a hole forming device, then inserting a pile foundation (2) into the holes, pouring 40mm quick-acting plugging cement into the pile foundation (2), and enabling the tip parts of the spurs (4) to penetrate through bayonets (3) and sink into the inner side wall of the holes formed in the foundation (1) under the action of pressure;
step S3: after the installation work of the pile foundation (2) is finished, rolling the foundation (1) by using a sheep foot rolling machine to squeeze and tamp the foundation (1), wherein the compaction degree of the foundation (1) is not less than 96%, and the vertical permeability coefficient of the compacted foundation (1) is not more than 6 x 12-3 cm/s;
step S4: then, paving the partition wall (11) and the metal binding wire net (14), rolling by adopting smooth vibration roller after each layer of filling and paving is finished, detecting the compactness, and filling the concrete floor (6) after the requirements are met;
step S5: and after the filling work of the concrete is finished, whether the concrete is qualified or not is checked.
2. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: the cross-sectional shape of bayonet socket (3) is the trapezium structure to bayonet socket (3) inboard minimum bore value is less than the biggest chi footpath of the outside cambered surface of bayonet socket (4), and bayonet socket (3) conduct the medium between pile foundation (2) inboard and the outside, makes position bayonet socket (4) can be shifted out by the inside of pile foundation (2), and can not break away from pile foundation (2), utilizes bayonet socket (4) to increase and is connected the face between pile foundation (2) and ground (1), can further improve the stability that pile foundation (2) are located the hole inside.
3. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: the inner side wall of the partition wall (11) is fixedly connected with a first partition plate (9) and a second partition plate (10) respectively, the second partition plate (10) and the first partition plate (9) are vertically arranged in a staggered mode, automatic repair bags (12) are filled between the first partition plate (9), the second partition plate (10), the first partition plate (9), the second partition plate (10) and the partition wall (11), the inner side of the partition wall (11) can be separated through the first partition plate (9) and the second partition plate (10), regional water stop is formed, and the waterproof effect of the partition wall (11) is further improved.
4. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: the connecting structure is characterized in that a first connecting sleeve (8) is clamped at the crossed position between the first partition plate (9) and the second partition plate (10), a second connecting sleeve (13) is clamped at the position, corresponding to the first connecting sleeve (8), of the surface of the wire bundling net (14), the second connecting sleeve (13) and the first connecting sleeve (8) are both sleeved on the surface of the connecting shaft (5), the first connecting sleeve (8) and the second connecting sleeve (13) are respectively used as connecting media between the partition wall (11) and the wire bundling net (14) and the connecting shaft (5), the connecting positions of the partition wall (11) and the wire bundling net (14) and the connecting shaft (5) can be reinforced, the positions of the partition wall (11) and the wire bundling net (14) are limited, and the stability of the partition wall (11) and the wire bundling net (14) can be improved.
5. The method for repairing subsidence of the earth's surface of a building according to claim 3, wherein: the automatic repairing bag (12) is of an oval structure, catalyst particles are filled in the automatic repairing bag (12), when the partition wall (11) is broken due to impact force, the automatic repairing bag (12) in the partition wall (11) is broken, pre-polymerized macromolecules flow out of the automatic repairing bag (12) and penetrate into cracks, and are bonded and cured under the action of the catalyst particles to repair the cracks, so that the waterproof performance is improved.
6. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: the surface of the connecting shaft (5) is provided with an external thread (18), the surface of the external thread (18) is in threaded connection with a fastening nut (17), the bottom of the fastening nut (17) is in lap joint with the top of the metal binding wire mesh (14), and the external thread (18) is matched with the fastening nut (17) to be used for reducing a joint gap between the metal binding wire mesh (14) and the partition wall (11), so that the stability of the metal binding wire mesh (14) and the partition wall (11) can be further improved.
7. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: the surface of the metal binding wire mesh (14) is respectively provided with a first grouting opening (15) and a second grouting opening (16), the inner diameter of the second grouting opening (16) is larger than that of the first grouting opening (15), when a concrete floor (6) is poured on the surface of the metal binding wire mesh (14), the uniform speed of grout towards the inside of the metal binding wire mesh (14) can be accelerated, and the uniformity of the internal strength of the metal binding wire mesh (14) is improved.
8. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: connecting axle (5) are located the inside of pile foundation (2) to connecting axle (5) surface has seted up connecting hole (7) corresponding pile foundation (2) position, makes to pile foundation (2) inside in-process of filling thick liquids, and thick liquids can flow in the inside of connecting axle (5), therefore alright improve connecting axle (5) in the inside stability of pile foundation (2) to a certain extent, and can improve self to the metal support effect of pricking silk screen (14) and divider wall (11).
9. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: after the wire binding mesh (14) and the partition wall (11) are limited on the surface of the connecting shaft (5), a bonding mortar protective layer can be plastered, anti-crack mortar is plastered, then two permanent coagulation liquids are painted, the mortar edges are preferably enlarged by 50mm during painting, and the stability between the wire binding mesh (14) and the partition wall (11) is further improved.
10. The method for repairing subsidence of the earth's surface of a building according to claim 1, wherein: the upper surface of the concrete floor (6) can be poured with an asphalt layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115302621A (en) * | 2022-08-03 | 2022-11-08 | 南通理工学院 | Preparation method for improving mechanical property and durability of concrete material |
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| CN209457028U (en) * | 2018-12-24 | 2019-10-01 | 常州东华建筑安装工程有限公司 | A kind of ruggedized construction of soft soil foundation |
| CN110106760A (en) * | 2019-05-23 | 2019-08-09 | 中铁城市规划设计研究院有限公司 | A kind of urban road restorative procedure controlling settlement of foundation |
| CN110725168A (en) * | 2019-10-31 | 2020-01-24 | 武汉比邻工程技术有限公司 | Ballastless track settlement correction integral lifting method utilizing series pipeline grouting technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302621A (en) * | 2022-08-03 | 2022-11-08 | 南通理工学院 | Preparation method for improving mechanical property and durability of concrete material |
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