CN112411564A - Waterproof structure with latticed columns penetrating through bottom plate and construction method of waterproof structure - Google Patents
Waterproof structure with latticed columns penetrating through bottom plate and construction method of waterproof structure Download PDFInfo
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- CN112411564A CN112411564A CN202011229312.1A CN202011229312A CN112411564A CN 112411564 A CN112411564 A CN 112411564A CN 202011229312 A CN202011229312 A CN 202011229312A CN 112411564 A CN112411564 A CN 112411564A
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- bottom plate
- waterproof
- cushion layer
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- 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
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- 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
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- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of underground waterproof construction, and discloses a waterproof structure with a latticed column penetrating through a bottom plate and a construction method of the waterproof structure. Firstly, removing sundries on the lattice columns, and paving a bottom plate cushion layer; coating cement-based waterproof paint on the bottom plate cushion layer inside and around the lattice column; then laying waterproof rolls, coating sealing paste on the waterproof rolls at the contact parts of the waterproof rolls and the lattice columns for sealing, and laying waterproof reinforcing layers at the positions of internal corners and external corners of the lattice columns respectively; welding a water stop steel plate above the outer bottom plate cushion layer of the lattice column; welding a blocking steel plate on a batten plate close to the top surface of the bottom plate in the latticed column; and a water-swelling water stop strip is arranged below the top surface of the bottom plate. According to the invention, the waterproof roll, the cement-based waterproof coating, the waterproof reinforcing layer and the sealant are used for constructing the integral waterproof system, so that the waterproof effect is effectively improved.
Description
Technical Field
The invention belongs to the technical field of underground waterproof construction, and particularly relates to a waterproof structure with lattice columns penetrating through a bottom plate and a construction method of the waterproof structure.
Background
Along with the development of underground space in China, in a supporting system of a deep and large foundation pit, in order to ensure the stability of the supporting system, a lattice column is usually required to be additionally arranged inside the foundation pit to construct a complete supporting system, the lattice column is used as a part of the supporting system of the foundation pit and penetrates through the whole construction process of an underground structure main body, and a bottom plate is in contact with the lattice column during pouring, so that the water resistance of the contact part is a main factor influencing the water resistance of the main structure. Due to the existence of the lattice columns, an original bottom plate waterproof system cannot form a whole and becomes a key node influencing the waterproof performance of a basement.
In the existing waterproof technology, the lattice column is generally considered as an independent node, so that the problem of bottom plate leakage at the lattice column always exists, and the problem of difficult exposure is solved when the underground water level is deep or the bottom plate is buried deeply; when the buried depth of the underground water level is shallow or the buried depth of the bottom plate is deep, serious water leakage is generated at the lattice column position, and the use and safety of the main body structure are further influenced.
Disclosure of Invention
The invention aims to solve the technical problem of leakage of a bottom plate at a lattice column, and provides a waterproof structure with a lattice column penetrating through the bottom plate and a construction method thereof, which can construct an integral waterproof system and effectively improve the waterproof effect.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a waterproof structure of a lattice column penetrating through a bottom plate is characterized in that cement-based waterproof paint is coated on a bottom plate cushion layer inside the lattice column and around the lattice column; waterproof coiled materials are laid on the bottom plate cushion layer, waterproof reinforcing layers are laid at the internal corner position and the external corner position of the lattice column, and sealing paste is smeared on the contact parts of the waterproof coiled materials, the lattice column and the bottom plate cushion layer for sealing; a water stop steel plate is welded outside the latticed column above the bottom plate cushion layer; a blocking steel plate is welded inside the latticed column above the water stopping steel plate; and a water-swelling water stop strip is placed outside the latticed column below the top surface of the bottom plate.
Further, the painting range of the cement-based waterproof coating is not less than 150mm around the latticed column.
Further, the overlapping width of the waterproof coiled material is not less than 80 mm.
Furthermore, the waterproof reinforcing layer at the internal corner position inside the lattice column comprises a waterproof coiled material at the internal corner and sealing paste, wherein the waterproof coiled material at the internal corner covers two vertical wall surfaces of the internal corner, then bends and extends onto the bottom plate cushion layer, and forms lap joint with the waterproof coiled material paved on the bottom plate cushion layer; and the waterproof coiled material at the internal corner is tightly connected with the latticed column and the waterproof coiled material paved on the bottom plate cushion layer through the sealing paste.
Furthermore, the waterproof reinforcing layer at the external corner position of the lattice column comprises a waterproof roll material and sealing paste at the external corner position, wherein the waterproof roll material at the external corner position covers the vertical wall surfaces at two sides along the vertical line of the external corner, is bent and extends onto the bottom plate cushion layer, and is in lap joint with the waterproof roll material paved on the bottom plate cushion layer; the waterproof coiled material at the external corner is tightly connected with the latticed column and the waterproof coiled material paved on the bottom plate cushion layer through the sealing paste.
Further, the distance between the water stop steel plate and the bottom plate cushion layer 1/4-1/3 is the thickness of the bottom plate.
Further, the blocking steel plate is welded to the gusset plate inside the lattice column closest to the top surface of the bottom plate.
Furthermore, a vibration hole is reserved in the center of the blocking steel plate.
Further, the water-swelling water stop strip is arranged in a range of the thickness of the bottom plate from 1/8-1/6 below the top surface of the bottom plate.
A construction method of the waterproof structure with the latticed column penetrating through the bottom plate comprises the following steps:
(1) removing sundries on the lattice columns, and paving a bottom plate cushion layer;
(2) coating cement-based waterproof paint on the bottom plate cushion layer inside the lattice column and around the lattice column;
(3) paving waterproof coiled materials on the bottom plate cushion layer, paving waterproof reinforcing layers at the internal corner position and the external corner position of the latticed column, and smearing sealing paste on the contact parts of the waterproof coiled materials, the latticed column and the bottom plate cushion layer for sealing;
(4) a water stop steel plate is welded outside the latticed column above the bottom plate cushion layer;
(5) a blocking steel plate is welded on the batten plate inside the latticed column above the water stop steel plate;
(6) and a water swelling water stop strip is arranged outside the latticed column below the top surface of the bottom plate.
The invention has the beneficial effects that:
according to the waterproof structure with the lattice column penetrating through the bottom plate and the construction method of the waterproof structure, the integral waterproof system is constructed by mutually matching the cement-based waterproof coating, the waterproof coiled material, the waterproof reinforcing layer and the sealing paste, so that the integrity and the sealing property of the integral waterproof system are ensured; meanwhile, local treatment is carried out through the water stop steel plate, the blocking steel plate and the water swelling water stop strip, so that a seepage path of underground water is effectively blocked, and the potential safety hazard of easy water leakage at the lattice column is eliminated.
Drawings
FIG. 1 is a schematic view of the general arrangement of a waterproof structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a waterproof reinforcing layer for internal corner of lattice column in a waterproof structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a waterproof reinforcing layer for external corner of lattice column in a waterproof structure according to an embodiment of the present invention;
in the above figures: 1: a lattice column; 2: a bottom plate cushion layer; 3: a cement-based waterproof coating; 4: waterproof coiled materials; 5: sealing paste; 6: a water stop steel plate; 7: a batten plate; 8: separating a steel plate; 9: a water-swelling sealing strip when meeting water; 10: a base plate.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1, the embodiment provides a waterproof structure with a lattice column penetrating through a bottom plate, a whole waterproof system is constructed through the construction design of cement-based waterproof paint 3, a waterproof roll 4, a waterproof reinforcing layer and sealant 5, and meanwhile, local treatment is carried out through reasonable arrangement of a water stop steel plate 6, a blocking steel plate 8 and a water swelling water stop strip 9.
The cement-based waterproof coating 3 is coated on the bottom plate cushion layer 2 inside the latticed column 1 and around the pile body, and the coating range of the cement-based waterproof coating 3 around the pile body is generally not less than 150mm around the pile body of the latticed column 1. The cement-based waterproof coating 3 can be used as a binder for the base plate cushion layer 2 and the waterproof roll 4 and also can be used as a local waterproof reinforcing layer, so that underground water is prevented from forming a seepage channel along a gap between the base plate cushion layer 2 and the waterproof roll 4 and flowing to the lattice column 1.
The waterproof roll 4 is laid on the bottom plate cushion layer 2 (including the bottom plate cushion layer 2 coated with the cement-based waterproof paint 3), and the waterproof roll 4 at the contact part with the lattice column 1 is sealed by smearing the sealing paste 5. Preferably, the overlapping width of the waterproof roll 4 should be not less than 80 mm.
Meanwhile, waterproof reinforcing layers are laid at the internal corner position and the external corner position of the latticed column 1, the waterproof reinforcing layers are used for preventing a seepage channel from being formed at the internal corner position and the external corner position, and the waterproof reinforcing layers are formed by locally laying a waterproof coiled material 4 and sealing paste 5.
Further, as shown in fig. 2, the waterproof reinforcing layer at the internal corner position of the lattice column 1 includes a waterproof roll 4 at the internal corner and a sealing paste 5, the waterproof roll 4 at the internal corner covers two vertical wall surfaces of the internal corner and then bends and extends onto the bottom plate cushion layer 2, and forms an overlap joint with the waterproof roll 4 laid on the bottom plate cushion layer 2. The waterproof roll 4 at the internal corner is tightly connected with the lattice column 1 and the waterproof roll 4 paved on the bottom plate cushion layer 2 through the sealing paste 5. As a specific implementation mode, reentrant corner department waterproofing membrane 4 can tailor into two right angled triangle in advance, sets up these two right angled triangle respectively on two internal faces of reentrant corner position department mutually perpendicular, and one of them right angle limit of two right angled triangle splices in the vertical line department of reentrant corner, and another right angle limit extends to on the waterproofing membrane 4 of bottom plate bed course 2 top and extends a section distance respectively, and two right angled triangle buckle and seal through sealant 5 in bottom plate bed course 2 department.
Further, as shown in fig. 3, the waterproof reinforcing layer at the external corner position inside the lattice column 1 includes a waterproof roll 4 at the external corner and a sealing paste 5, and the waterproof roll at the external corner is bent and extended onto the bottom plate cushion layer 2 after being covered along the vertical line of the external corner to the vertical wall surfaces at both sides, and forms an overlap joint with the waterproof roll 4 laid on the bottom plate cushion layer 2. Waterproof coiled materials 4 at the external corners are tightly connected with the lattice columns 1 and the waterproof coiled materials 4 paved on the bottom plate cushion layer 2 through sealing pastes 5. As a specific embodiment, the waterproof roll 4 at the external corner may be cut into a square in advance, the diagonal line of the square is laid along the vertical line of the external corner and sealed by the sealant 5, and the square is also sealed by the sealant 2 after extending a certain distance on the floor mat 2.
The outer part of the lattice column 1 in the range of the bottom plate 10 is provided with a water stop steel plate 6, and the water stop steel plate 6 is a second-layer waterproof system outside the lattice column 1 and prevents a seepage channel from being formed along the lattice column 1 outside the lattice column 1. As a preferred embodiment, the water stop steel plate 6 is welded in the thickness range of 1/4-1/3 of the bottom plate 10 away from the bottom plate cushion layer 2, and has a better waterproof effect. In this embodiment, the position 300mm above the bottom plate cushion layer 2 is welded to the water stop steel plate 6.
The inside separation steel sheet 8 that is provided with of lattice column 1 of bottom plate 10 within range, separation steel sheet 8 are the inside second floor waterproof system of lattice column 1, prevent to form along the seepage flow passageway of lattice column 1 at lattice column 1 inboard. Preferably, the thickness of the barrier steel sheet is not less than 2 mm. The central point of separation steel sheet 8 puts and reserves the hole of vibrating, when pouring for the later stage bottom plate, vibrates the passageway of the inside bottom plate concrete of lattice column 1. As a preferred embodiment, the blocking steel plate 8 is welded to the gusset plate 7 inside the lattice column 1 closest to the top surface of the bottom plate 10, which provides a better waterproof effect.
The water-swelling sealing rod 9 is placed below the top surface of the bottom plate 10, and the water-swelling sealing rod 9 needs to tightly wind the lattice column 1 for more than a complete circle and stretch into the bottom plate 10. In a preferred embodiment, the water-swelling water stop strip 9 is arranged in the thickness range of 1/8-1/6 below the top surface of the bottom plate 10. The water-swellable seal 9 may absorb a small amount of water before it penetrates into the basement and fills the pores in the bottom plate 10, preventing the formation of a seepage passage, which is the final barrier of the waterproof structure. In this embodiment, the water-swellable seal 9 is 50mm × 50mm in size and is disposed at a position 100mm below the top surface of the bottom plate 10.
The construction method of the waterproof structure with the latticed column penetrating through the bottom plate comprises the following steps:
(1) removing impurities on the lattice column 1: concrete, sundries, rust and the like on the latticed column 1 are removed, and the latticed column 1 can be ensured to be in close contact with the bottom plate 10 and the waterproof coiled material 4;
(2) laying a concrete bottom plate cushion layer 2 to form a hard, compact and flat plane so as to facilitate the laying of the waterproof roll 4;
(3) the cement-based waterproof coating 3 is coated on the bottom plate cushion layer 2 in the lattice column 1 and in a certain range around the pile body, the cement-based waterproof coating 3 is uniformly and compactly coated, and the coating range is usually not less than 150mm around the pile body of the lattice column 1;
(4) waterproof coiled materials 4 are laid on the bottom plate cushion layer 2, and the lapping width of the waterproof coiled materials 4 is preferably not less than 80 mm. And waterproof reinforced layers are respectively paved at the internal corner position and the external corner position of the lattice column 1, each waterproof reinforced layer consists of a cut waterproof coiled material 4 and sealing paste 5, the cutting of the waterproof coiled material 4 meets the requirement of the fitting property, and the cut waterproof coiled material 4 can be necessarily tightly fitted with the lattice column 1 and the bottom plate cushion layer 2.
It should be noted that the waterproof roll 4 in the contact position with the lattice column 1 is sealed by applying the sealing paste 5, and the sealing paste 5 should be uniformly applied so that no gap exists between the waterproof roll 4 and the lattice column 1.
After the waterproof roll 4 and the waterproof reinforcing layer are laid, the binding construction of the binding of the lower layer of the reinforcing steel bars of the bottom plate 10 is carried out. And then the water stop steel plate 6 and the separation steel plate 8 are welded in sequence, and a water-swelling water stop bar 9 is arranged. The method comprises the following specific steps:
(5) a water stop steel plate 6 is welded on the outer part of the lattice column 1 above the bottom plate cushion layer 2, and the thickness of the water stop steel plate 6 is usually in the range of 1/4-1/3 of the thickness of the bottom plate 10 above the bottom plate cushion layer 2.
The water stop steel plate 6 is firmly welded with the lattice column 1, and no gap exists between the lattice column 1 and the water stop steel plate 6. In this embodiment, the stagnant water steel sheet is established in bottom plate bed course 2 top 300mm position department. Preferably, the thickness of the water stop steel plate 6 is not less than 2mm, and the width is not less than 200 mm.
(6) The blocking steel plate 8 is welded on the batten plate 7 close to the top surface of the bottom plate 10 inside the lattice column 1, the blocking steel plate 8 is firmly welded with the lattice column 1, and no gap exists between the batten plate of the lattice column 1 and the blocking steel plate 8.
Preferably, the thickness of the barrier steel sheet is not less than 2 mm. The central position of the separation steel plate 8 is reserved with a vibration hole with the diameter of 200 mm.
(7) A water-swelling sealing rod 9 with the thickness of 50mm multiplied by 50mm is arranged outside the latticed column 1 at the position 100mm below the top surface of the bottom plate 10. The water-swellable seal 9 should be wrapped tightly around the lattice column 1 for more than a complete turn and extend into the interior of the base plate 10. The water-swellable seal 9 is typically disposed within a thickness range of the bottom sheet 10 from 1/4 to 1/3 below the top surface of the bottom sheet 10.
And finally, binding upper-layer steel bars of the bottom plate 10, pouring concrete of the bottom plate 10 and vibrating the concrete to be compact. The bottom plate 10 should be poured after the construction of the waterproof system is completed, and the construction speed and the damage of the construction to the waterproof system should be controlled when the bottom plate 10 is poured, so as to enhance the protection.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make various changes and modifications within the spirit and scope of the present invention without departing from the spirit and scope of the appended claims.
Claims (10)
1. A waterproof structure with a lattice column penetrating through a bottom plate is characterized in that cement-based waterproof paint is coated on a bottom plate cushion layer inside the lattice column and around the lattice column; waterproof coiled materials are laid on the bottom plate cushion layer, waterproof reinforcing layers are laid at the internal corner position and the external corner position of the lattice column, and sealing paste is smeared on the contact parts of the waterproof coiled materials, the lattice column and the bottom plate cushion layer for sealing; a water stop steel plate is welded outside the latticed column above the bottom plate cushion layer; a blocking steel plate is welded inside the latticed column above the water stopping steel plate; and a water-swelling water stop strip is placed outside the latticed column below the top surface of the bottom plate.
2. A water-proofing structure of lattice column through-floor as claimed in claim 1, wherein the painting range of said cement-based water-proofing paint is not less than 150mm around said lattice column.
3. A lattice column through-floor flashing as claimed in claim 1, wherein the overlapping width of the flashing material is not less than 80 mm.
4. The waterproof structure of the lattice column through bottom plate of claim 1, wherein the waterproof reinforcing layer at the internal corner position of the lattice column comprises a waterproof roll at the internal corner and a sealant, the waterproof roll at the internal corner covers two vertical wall surfaces of the internal corner, then is bent and extends onto the bottom plate cushion layer, and forms an overlap joint with the waterproof roll paved on the bottom plate cushion layer; and the waterproof coiled material at the internal corner is tightly connected with the latticed column and the waterproof coiled material paved on the bottom plate cushion layer through the sealing paste.
5. The waterproof structure of the lattice column through bottom plate of claim 1, wherein the waterproof reinforcing layer at the external corner position of the lattice column comprises a waterproof roll at the external corner and a sealing paste, the waterproof roll at the external corner covers the vertical lines of the external corner, then is bent and extends to the bottom plate cushion layer, and forms an overlap joint with the waterproof roll paved on the bottom plate cushion layer; the waterproof coiled material at the external corner is tightly connected with the latticed column and the waterproof coiled material paved on the bottom plate cushion layer through the sealing paste.
6. A water-proofing structure of lattice column penetration bottom plate according to claim 1, wherein said water-stopping steel plate is spaced from said bottom plate pad layer 1/4-1/3 by said bottom plate thickness.
7. A water proof construction of a lattice column through bottom plate as claimed in claim 1, characterized in that said blocking steel plate is welded to the batten plate inside said lattice column closest to the top surface of said bottom plate.
8. The waterproof structure of a lattice column through-floor as claimed in claim 1, wherein the center of the blocking steel plate is reserved with vibrating holes.
9. The waterproof structure of lattice column through-floor as claimed in claim 1, wherein the water-swelling water stop is disposed within a range of a thickness of the floor from 1/8 to 1/6 below a top surface of the floor.
10. A method of constructing a waterproof structure of a lattice column penetration floor as claimed in any one of claims 1 to 9, comprising the steps of:
(1) removing sundries on the lattice columns, and paving a bottom plate cushion layer;
(2) coating cement-based waterproof paint on the bottom plate cushion layer inside the lattice column and around the lattice column;
(3) paving waterproof coiled materials on the bottom plate cushion layer, paving waterproof reinforcing layers at the internal corner position and the external corner position of the latticed column, and smearing sealing paste on the contact parts of the waterproof coiled materials, the latticed column and the bottom plate cushion layer for sealing;
(4) a water stop steel plate is welded outside the latticed column above the bottom plate cushion layer;
(5) a blocking steel plate is welded on the batten plate inside the latticed column above the water stop steel plate;
(6) and a water swelling water stop strip is arranged outside the latticed column below the top surface of the bottom plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011229312.1A CN112411564A (en) | 2020-11-06 | 2020-11-06 | Waterproof structure with latticed columns penetrating through bottom plate and construction method of waterproof structure |
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| CN202011229312.1A CN112411564A (en) | 2020-11-06 | 2020-11-06 | Waterproof structure with latticed columns penetrating through bottom plate and construction method of waterproof structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174998A (en) * | 2021-03-25 | 2021-07-27 | 中国十七冶集团有限公司 | Waterproof structure for details at junction of steel lattice column and foundation slab and treatment method |
| CN113463921A (en) * | 2021-06-22 | 2021-10-01 | 中国五冶集团有限公司 | Lattice column waterproof assembly and construction method |
| CN113653201A (en) * | 2021-08-27 | 2021-11-16 | 中国建筑第五工程局有限公司 | Waterproof structure of lattice column and construction method thereof |
| CN115434375A (en) * | 2022-10-24 | 2022-12-06 | 浙江交工集团股份有限公司 | Hot-melt adhesive coiled material waterproof system controlled by spray anchor base plane of open-cut tunnel and construction method |
| CN115596023A (en) * | 2022-10-13 | 2023-01-13 | 中国一冶集团有限公司（Cn） | Lattice column bottom plate penetrating waterproof structure and lattice column bottom plate penetrating waterproof construction method |
| CN115434375B (en) * | 2022-10-24 | 2024-07-26 | 浙江交工集团股份有限公司 | Hot-melt adhesive coiled material waterproof system for controlling open-cut tunnel spray anchor basal plane and construction method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174998A (en) * | 2021-03-25 | 2021-07-27 | 中国十七冶集团有限公司 | Waterproof structure for details at junction of steel lattice column and foundation slab and treatment method |
| CN113174998B (en) * | 2021-03-25 | 2022-05-13 | 中国十七冶集团有限公司 | Waterproof structure for details at junction of steel lattice column and foundation slab and treatment method |
| CN113463921A (en) * | 2021-06-22 | 2021-10-01 | 中国五冶集团有限公司 | Lattice column waterproof assembly and construction method |
| CN113653201A (en) * | 2021-08-27 | 2021-11-16 | 中国建筑第五工程局有限公司 | Waterproof structure of lattice column and construction method thereof |
| CN115596023A (en) * | 2022-10-13 | 2023-01-13 | 中国一冶集团有限公司（Cn） | Lattice column bottom plate penetrating waterproof structure and lattice column bottom plate penetrating waterproof construction method |
| CN115434375A (en) * | 2022-10-24 | 2022-12-06 | 浙江交工集团股份有限公司 | Hot-melt adhesive coiled material waterproof system controlled by spray anchor base plane of open-cut tunnel and construction method |
| CN115434375B (en) * | 2022-10-24 | 2024-07-26 | 浙江交工集团股份有限公司 | Hot-melt adhesive coiled material waterproof system for controlling open-cut tunnel spray anchor basal plane and construction method |
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