CN111608185A - Waterproof construction method for main body structure of narrow space of deep foundation pit - Google Patents
Waterproof construction method for main body structure of narrow space of deep foundation pit Download PDFInfo
- Publication number
- CN111608185A CN111608185A CN202010349314.8A CN202010349314A CN111608185A CN 111608185 A CN111608185 A CN 111608185A CN 202010349314 A CN202010349314 A CN 202010349314A CN 111608185 A CN111608185 A CN 111608185A
- Authority
- CN
- China
- Prior art keywords
- layer
- main body
- foundation pit
- wall
- body structure
- 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.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
Abstract
The invention relates to a waterproof construction method for a main body structure in a narrow space of a deep foundation pit. The waterproof construction method for the main body structure in the narrow space of the deep foundation pit solves the problem that no operation space exists during waterproof construction in the deep foundation pit, can prevent a waterproof coiled material from falling off and being damaged in the construction process, and ensures the waterproof construction quality of the main body structure in the foundation pit.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a waterproof construction method for a main body structure of a narrow space of a deep foundation pit.
Background
The urban central area and the building dense area have the condition that the area of a foundation pit occupies more than 90% of the available construction area on the site, the condition is usually accompanied by the existence of an ultra-deep foundation pit, the construction deviation of a cast-in-place pile and the design construction surface are narrow and small, so that the waterproof construction of the outer wall of the underground main structure becomes very difficult, and the following problems exist when the process of firstly constructing the main structure and then laying the waterproof layer (laying SBS waterproof coiled material) is carried out according to the traditional waterproof construction process after the construction of the cast-in-place pile is: the waterproof construction personnel can not reach the operation surface to carry out construction, can not set up a waterproof operation frame, and the waterproof construction quality is not suitable for guaranteeing and so on. Therefore, a method for solving the problem that the waterproof construction of the outer wall of the main body structure cannot be carried out due to insufficient space in the deep foundation pit is needed at present.
Disclosure of Invention
In view of the above, the invention aims to provide a method for waterproof construction of a main body structure in a narrow space of a deep foundation pit, and aims to solve the problem that waterproof construction of an outer wall of the main body structure cannot be performed due to insufficient space in the deep foundation pit in the prior art.
According to the invention, the waterproof construction method for the main body structure of the narrow space of the deep foundation pit comprises the following steps:
firstly, carrying out net hanging and anchor spraying on one side, facing the interior of a foundation pit, of a cast-in-place pile to form a net hanging and anchor spraying layer, leveling the surface of the net hanging and anchor spraying layer by cement mortar to form a cement mortar leveling layer, and suspending construction of the net hanging and anchor spraying layer and the cement mortar leveling layer when construction of the net hanging and anchor spraying layer and the cement mortar leveling layer is finished to be higher than the outer wall of the main structure of the layer;
anchoring and embedding a plurality of fixing steel plates on the cement mortar leveling layer, and arranging fixing bolts on the surfaces of the fixing steel plates facing the interior of the foundation pit;
thirdly, paving a waterproof coiled material on the cement mortar leveling layer, perforating the waterproof coiled material at the position of a fixing bolt of the fixing steel plate, and tightly pressing and fixing the waterproof coiled material on the fixing steel plate by using a nut;
step four, after this layer of waterproofing membrane laid and accomplished, carry out this layer of major structure outer wall and major structure roof construction, the construction of major structure outer wall includes: binding steel bars of the main structure outer wall, erecting a single-side template of the outer wall and pouring concrete of the main structure outer wall;
and fifthly, performing waterproof construction on the main structure of the previous layer, and performing layer-by-layer construction repeatedly.
Preferably, in the first step, the thickness of the net hanging and anchoring layer is not less than 100mm, and the thickness of the cement mortar leveling layer is 15mm-30 mm.
Preferably, in the step one, the height of each net hanging and spraying anchor layer is 30-50 mm higher than the outer wall of the main structure of the layer.
Preferably, in the second step, a plurality of the fixed steel plates are distributed on the cement mortar leveling layer in a rectangular array.
Preferably, in the second step, a fixing anchor rod is arranged on one side of the fixing steel plate, and the fixing anchor rod is fixedly connected with the fixing steel plate in a welding mode.
Preferably, in the second step, the length of the fixing bolt is 40mm-80 mm.
Preferably, in the third step, waterproof gaskets are respectively arranged on two sides of the hole opening position of the waterproof roll.
Preferably, in the fourth step, before the construction of the main structure outer wall and the structure top plate on the layer, a water stop screw is welded on the fixing bolt, and the water stop screw is used for fixing the outer wall single-side formwork and controlling the concrete pouring thickness when the main structure outer wall is poured.
Preferably, in the fourth step, before the construction of the main structure outer wall and the structure top plate, the steel bars are connected between the fixing bolts to form a steel bar protection layer, so that the damage of the steel bars of the main structure outer wall to the waterproof coiled material is prevented.
Preferably, the method further comprises top surface waterproof construction and backfilling of the main structure which is already constructed and is still below the ground.
The invention at least realizes the following beneficial effects:
1. when waterproof construction is carried out on the main body structure in the narrow space of the deep foundation pit, firstly, a net hanging and anchoring layer and a cement mortar leveling layer are respectively arranged on one side, facing the interior of the foundation pit, of the cast-in-place pile, waterproof coiled materials are laid on the cement mortar leveling layer, then, construction of the outer wall and the top plate of the main body structure on the main body structure layer is carried out, and the problem that no operation space exists during waterproof construction in the deep foundation pit is solved;
2. a plurality of fixed steel sheets of anchor on cement mortar screed-coat sets up fixing bolt on the fixed steel sheet for fixed waterproofing membrane prevents that waterproofing membrane from droing when major structure outer wall concrete placement.
3. The water stop screw rods are welded on the fixing bolts, so that the single-side formwork of the outer wall can be fixed and the concrete pouring thickness can be controlled when the main structure outer wall is poured, and the construction quality is improved.
4. Connecting the reinforcing bar between fixing bolt forms the reinforcing bar protective layer, can prevent that the major structure reinforcing bar from causing the damage to waterproofing membrane, better protection waterproofing membrane.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic diagram of the waterproofing construction of a main body structure of a deep foundation pit according to an embodiment of the invention.
Fig. 2 shows a top view of the deep foundation pit main body structure after waterproof construction is completed according to the embodiment of the invention.
Fig. 3 is a schematic structural diagram illustrating that a waterproof roll is connected to a fixed steel plate during waterproof construction of a main body structure of a deep foundation pit according to an embodiment of the invention.
In the figure: bored concrete pile 1, waterproofing membrane 2, major structure outer wall 3, outer wall unilateral template 4, hanging net spout anchor coat 5, cement mortar screed-coat 6, fixed stock 7, fixed steel sheet 8, waterproof gasket 9, nut 10, fixing bolt 11.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Referring to fig. 1 to 3, the present invention provides a waterproof construction method for a main body structure of a narrow space of a deep foundation pit, including:
firstly, carrying out net hanging and anchor spraying on one side, facing the inside of a foundation pit, of a cast-in-place pile 1 to form a net hanging and anchor spraying layer 5, leveling the surface of the net hanging and anchor spraying layer 5 by cement mortar to form a cement mortar leveling layer 6, and suspending the construction of the net hanging and anchor spraying layer 5 and the cement mortar leveling layer 6 when the construction of the net hanging and anchor spraying layer 5 and the cement mortar leveling layer 6 is finished to be higher than the main structure outer wall 3.
Specifically, after the excavation of the deep foundation pit is completed, an anchor rod is implanted into the cast-in-place pile 1, the anchor rod is a fully-bonded anchor rod, mechanical pore-forming is adopted, the reinforcing mesh is bound and connected with the anchor rod, then concrete is sprayed, and a mesh-hung anchor spraying layer 5 is formed. In this embodiment, be equipped with the stagnant water stake between two adjacent bored concrete piles 1, hang the net and spout anchor coat 5 and can fill the unevenness between bored concrete pile 1 and the stagnant water stake. The net hanging and spraying anchor layer 5 is primarily leveled, and the thickness of the net hanging and spraying anchor layer 5 is not less than 100 mm. And after the net hanging and anchor spraying are finished, secondarily leveling by adopting cement mortar in a ratio of 1:1.25 to ensure that the wall is smooth and flat to form a cement mortar leveling layer 6 to provide a bonding base layer for the waterproof coiled material 2, wherein the thickness of the cement mortar leveling layer 6 is 15-30 mm. In the step, the height of each layer of net hanging and spraying anchor layer 5 is 30-50 mm higher than the outer wall of the main body structure of the layer.
And step two, anchoring and embedding a plurality of fixing steel plates 8 on the cement mortar leveling layer 6, and arranging fixing bolts 11 on the surfaces of the fixing steel plates 8 facing the inside of the foundation pit.
Specifically, one side of the fixed steel plate 8 is provided with a fixed anchor rod 7 for connecting the fixed steel plate 8 on the cement mortar leveling layer 6 in an anchoring manner, the other side of the fixed steel plate 8 is provided with a fixed bolt 11 for fixing the waterproof coiled material 2, and the length of the fixed bolt 11 is 40-80 mm. When 8 anchor of fixed steel sheet, excavate the recess that matches with 8 sizes of fixed steel sheet on cement mortar screed-coat 6, the degree of depth of recess equals the thickness of fixed steel sheet 8 for the flat parallel and level of the surface of fixing bolt 11 place one side and cement mortar screed-coat 6 on 8 anchor connection back fixed steel sheet of fixed steel sheet 8, it is more level and more level when making waterproofing membrane 2 lay. Fixed stock 7 and fixing bolt 11 all adopt welding mode and fixed steel sheet 8 fixed connection, and fixed stock 7 and fixing bolt 11 are located the both sides of fixed steel sheet 8 respectively, and the forbidden is perforated fixed steel sheet 8 during the welding. In this embodiment, the plurality of fixed steel plates 8 are distributed on the cement mortar leveling layer 6 in a rectangular array.
And thirdly, paving the waterproof coiled material 2 on the cement mortar leveling layer 6, perforating the waterproof coiled material 2 at the position of a fixing bolt 11 of the fixing steel plate 8, and pressing and fixing the waterproof coiled material 2 on the fixing steel plate 8 by using a nut 10.
Before the waterproof coiled material 2 is laid, the cement mortar leveling layer 6 is checked, so that the surface of the cement mortar leveling layer 6 serving as the waterproof coiled material pasting base layer is clean and smooth, and the phenomena of sanding, hollowing, loosening and peeling are avoided. Waterproof roll 2 adopts SBS waterproof roll, and waterproof roll 2 should bond firmly when laying, and sealed tight, the surface is level and smooth, must not appear fold, stick up limit and hollowing. When the waterproof coiled material 2 is laid to the position of the fixing bolt 11 of the fixing steel plate 8, a hole is formed in the waterproof coiled material 2, and the waterproof coiled material 2 is pressed and fixed on the fixing steel plate 8 through the nut 10 after penetrating through the bolt. For guaranteeing the waterproof sealing performance of waterproofing membrane 2 in trompil department, set up waterproof gasket 9 respectively in the both sides of 2 trompil positions of waterproofing membrane, specifically, can overlap earlier on fixing bolt 11 and establish a waterproof gasket 9, press waterproofing membrane 2 and establish another waterproof gasket 9 cover on fixing bolt 11 after this waterproof gasket 9, it compresses tightly together two waterproof cushions and waterproofing membrane 2 and fixes on fixed steel sheet 8 to twist nut 10 at last, act on waterproofing membrane's area for the increase nut, hexagonal flange face nut can be chooseed for use to nut 10.
Step four, lay the completion back at this layer of waterproofing membrane 2, carry out the construction of this layer of major structure outer wall 3 and major structure roof, the construction of major structure outer wall 3 includes: binding the main structure outer wall 3 steel bars, erecting the outer wall unilateral template 4 and pouring the main structure outer wall 3 concrete.
In order to ensure the construction quality of the main structure outer wall 3, before the construction of the main structure outer wall 3 and the structure top plate on the layer, a water stop screw is welded on the fixing bolt 11 and used for fixing the outer wall single-side template 4 and controlling the concrete pouring thickness when the main structure outer wall 3 is poured. After the main structure outer wall 3 is poured and the concrete is solidified, the single-side formwork is removed, and the part of the water stop screw rod exposed out of the main structure outer wall 3 is cut off.
In order to prevent that 3 reinforcing bars of major structure outer wall from to waterproofing membrane 2 extrusion, colliding with and causing waterproofing membrane 2's damage, lay at waterproofing membrane 2 and accomplish after and before this layer of major structure outer wall 3 and the construction of structure roof, at each connecting reinforcement between the fixing bolt 11 forms the reinforcing bar protective layer. In this embodiment, a plurality of fixed steel sheets 8 are the rectangular array and distribute, can set up the reinforcing bar with vertical logical length in 11 departments of fixing bolt on fixed steel sheet 8 transversely, form the reinforcing bar protection net, the reinforcing bar can weld or the ligature on fixing bolt 11, the reinforcing bar protection net can effectively block 3 reinforcing bars of major structure outer wall and 2 contacts of waterproofing membrane, can protect waterproofing membrane to avoid the damage betterly.
The single-side template 4 of the outer wall is a shaped single-side steel keel wood template with a triangular bracket.
And fifthly, performing waterproof construction on the main structure of the previous layer, and performing layer-by-layer construction repeatedly.
When carrying out last one deck major structure waterproofing, should have sufficient overlap joint size with lower floor's waterproofing membrane when upper waterproofing membrane is laid, guarantee water-proof effects. And (4) carrying out top surface waterproof construction and backfilling on the main structure which is constructed and is still below the ground.
The invention has the advantages that:
1. when carrying out waterproofing work to the narrow space major structure of deep basal pit, set up respectively in bored concrete pile towards one side of foundation ditch inside and hang net and spout anchor coat and cement mortar screed-coat earlier, lay waterproof coiled material on cement mortar screed-coat, then carry out this layer major structure outer wall and major structure roof construction again, solved in the deep basal pit during waterproofing work nothing operation space problem.
2. A plurality of fixed steel sheets of anchor on cement mortar screed-coat sets up fixing bolt on the fixed steel sheet for fixed waterproofing membrane prevents that waterproofing membrane from droing when major structure outer wall concrete placement.
3. The water stop screw rods are welded on the fixing bolts, so that the single-side formwork of the outer wall can be fixed and the concrete pouring thickness can be controlled when the main structure outer wall is poured, and the construction quality is improved.
4. Connecting the reinforcing bar between fixing bolt forms the reinforcing bar protective layer, can prevent that the major structure reinforcing bar from causing the damage to waterproofing membrane, better protection waterproofing membrane.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The waterproof construction method for the main body structure of the narrow space of the deep foundation pit is characterized by comprising the following steps of:
firstly, carrying out net hanging and anchor spraying on one side, facing the interior of a foundation pit, of a cast-in-place pile to form a net hanging and anchor spraying layer, leveling the surface of the net hanging and anchor spraying layer by cement mortar to form a cement mortar leveling layer, and suspending construction of the net hanging and anchor spraying layer and the cement mortar leveling layer when construction of the net hanging and anchor spraying layer and the cement mortar leveling layer is finished to be higher than the outer wall of the main structure of the layer;
anchoring and embedding a plurality of fixing steel plates on the cement mortar leveling layer, and arranging fixing bolts on the surfaces of the fixing steel plates facing the interior of the foundation pit;
thirdly, paving a waterproof coiled material on the cement mortar leveling layer, perforating the waterproof coiled material at the position of a fixing bolt of the fixing steel plate, and tightly pressing and fixing the waterproof coiled material on the fixing steel plate by using a nut;
step four, after this layer of waterproofing membrane laid and accomplished, carry out this layer of major structure outer wall and major structure roof construction, the construction of major structure outer wall includes: binding steel bars of the main structure outer wall, erecting a single-side template of the outer wall and pouring concrete of the main structure outer wall;
and fifthly, performing waterproof construction on the main structure of the previous layer, and performing layer-by-layer construction repeatedly.
2. The waterproof construction method for the main body structure in the narrow space of the deep foundation pit according to claim 1, wherein in the first step, the thickness of the net hanging and spraying anchor layer is not less than 100mm, and the thickness of the cement mortar leveling layer is 15mm to 30 mm.
3. The waterproof construction method for the main body structure of the deep foundation pit narrow space according to claim 1, wherein in the first step, the height of each net hanging and spraying anchor layer is 30mm-50mm higher than the outer wall of the main body structure.
4. The waterproof construction method for the main body structure of the narrow space of the deep foundation pit as claimed in claim 1, wherein in the second step, the plurality of fixed steel plates are distributed on the cement mortar leveling layer in a rectangular array.
5. The waterproof construction method for the main body structure of the narrow space of the deep foundation pit according to claim 1, wherein in the second step, a fixing anchor rod is arranged on one side of the fixing steel plate, and the fixing anchor rod is fixedly connected with the fixing steel plate in a welding manner.
6. The waterproof construction method for the main body structure of the deep foundation pit narrow space according to claim 1, wherein in the second step, the length of the fixing bolt is 40mm to 80 mm.
7. The waterproof construction method for the main body structure of the deep foundation pit narrow space according to claim 1, wherein in the third step, waterproof gaskets are respectively arranged on two sides of the position of the opening of the waterproof coiled material.
8. The waterproof construction method for the main body structure of the deep foundation pit narrow space as claimed in claim 1, wherein in the fourth step, before the construction of the main body structure outer wall and the structure top plate, a water stop screw is welded on the fixing bolt for fixing the outer wall single-side formwork and controlling the concrete pouring thickness when the main body structure outer wall is poured.
9. The method for waterproof construction of a main body structure in a narrow space of a deep foundation pit according to claim 1, wherein in the fourth step, before the construction of the main body structure outer wall and the structure top plate on the layer, reinforcing steel bars are connected between the fixing bolts to form a reinforcing steel bar protection layer for preventing the reinforcing steel bars on the main body structure outer wall from damaging the waterproof coiled material.
10. The method for waterproofing a main structure in a narrow space of a deep foundation pit according to claim 1, further comprising waterproofing and backfilling the top surface of the main structure which is already constructed and is still below the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010349314.8A CN111608185A (en) | 2020-04-28 | 2020-04-28 | Waterproof construction method for main body structure of narrow space of deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010349314.8A CN111608185A (en) | 2020-04-28 | 2020-04-28 | Waterproof construction method for main body structure of narrow space of deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111608185A true CN111608185A (en) | 2020-09-01 |
Family
ID=72197847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010349314.8A Pending CN111608185A (en) | 2020-04-28 | 2020-04-28 | Waterproof construction method for main body structure of narrow space of deep foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111608185A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116752548A (en) * | 2023-08-16 | 2023-09-15 | 北京城建集团有限责任公司 | Waterproof structure of super-risk large foundation pit and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08151765A (en) * | 1994-09-27 | 1996-06-11 | Sekisui Chem Co Ltd | Waterproof structure of upper side edge of opening section of external wall |
| CN105862873A (en) * | 2016-04-13 | 2016-08-17 | 北京建工四建工程建设有限公司 | Construction method of underground water prevention and exterior wall structures of narrow space of deep foundation pit |
| CN206233584U (en) * | 2016-11-15 | 2017-06-09 | 中国建筑第八工程局有限公司 | Narrow zone exterior wall formwork erecting structure |
| CN106930271A (en) * | 2017-04-17 | 2017-07-07 | 西北综合勘察设计研究院 | It is a kind of to excavate the continuous side wall supporting and retaining system protective construction in underground and its construction method without fertile groove |
| CN107893529A (en) * | 2017-11-28 | 2018-04-10 | 中建局集团建设发展有限公司 | Suitable for deep basal pit outer wall of basement PC template systems and its construction method |
| CN110359498A (en) * | 2019-07-05 | 2019-10-22 | 中国十七冶集团有限公司 | It is a kind of without the vertical waterproof roll laying device of fertile slot bored concrete pile and its construction method |
-
2020
- 2020-04-28 CN CN202010349314.8A patent/CN111608185A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08151765A (en) * | 1994-09-27 | 1996-06-11 | Sekisui Chem Co Ltd | Waterproof structure of upper side edge of opening section of external wall |
| CN105862873A (en) * | 2016-04-13 | 2016-08-17 | 北京建工四建工程建设有限公司 | Construction method of underground water prevention and exterior wall structures of narrow space of deep foundation pit |
| CN206233584U (en) * | 2016-11-15 | 2017-06-09 | 中国建筑第八工程局有限公司 | Narrow zone exterior wall formwork erecting structure |
| CN106930271A (en) * | 2017-04-17 | 2017-07-07 | 西北综合勘察设计研究院 | It is a kind of to excavate the continuous side wall supporting and retaining system protective construction in underground and its construction method without fertile groove |
| CN107893529A (en) * | 2017-11-28 | 2018-04-10 | 中建局集团建设发展有限公司 | Suitable for deep basal pit outer wall of basement PC template systems and its construction method |
| CN110359498A (en) * | 2019-07-05 | 2019-10-22 | 中国十七冶集团有限公司 | It is a kind of without the vertical waterproof roll laying device of fertile slot bored concrete pile and its construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116752548A (en) * | 2023-08-16 | 2023-09-15 | 北京城建集团有限责任公司 | Waterproof structure of super-risk large foundation pit and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105862873B (en) | Deep basal pit narrow space underground waterproof and external wall structure construction method | |
| CN101787742B (en) | Planted roof soil lower deformation joint construction structure and construction method thereof | |
| CN107190844A (en) | The waterproof and water drainage system and construction method of a kind of basement bottom board and exterior wall | |
| CN213952303U (en) | Basement outer wall post-cast strip assembled protection wall construction structures | |
| CN108867690B (en) | Reverse construction method for pile plate retaining wall of large foundation pit | |
| CN111608185A (en) | Waterproof construction method for main body structure of narrow space of deep foundation pit | |
| CN107503450A (en) | A kind of cast-in-place hollow armored concrete filling wall and its construction technology | |
| CN107130720A (en) | PK prestressed concrete overlapped slab construction methods | |
| CN111894124A (en) | Waterproof construction method for large-area civil air defense basement | |
| CN114319611A (en) | Horizontal installation method of rubber water stop | |
| CN212129250U (en) | Construction structure for additionally arranging collecting groove on post-cast strip of high-water-level foundation | |
| CN113152430A (en) | Uplift pile head node waterproof structure serving as temporary stand column and construction method | |
| CN115450250B (en) | Reinforced cement stabilized macadam retaining wall structure and construction method | |
| CN218027813U (en) | Reverse mould building retaining wall formwork structure between stake of PC worker method | |
| CN208122041U (en) | A kind of IPS Cast-in-place concrete shear wall structure of self-heat preservation system system | |
| CN207092299U (en) | A kind of cast-in-place hollow armored concrete filling wall | |
| CN113737809B (en) | Waterproof construction method for lattice column crossing pipe gallery | |
| CN204608839U (en) | Ater-casting anti-corrosion structure | |
| CN204530784U (en) | Ater-casting foreign material cleaning structure | |
| CN210421337U (en) | Prefabricated assembled temporary drainage ditch | |
| CN213926386U (en) | Floor post-cast strip construction joint seepage prevention structure | |
| CN219672265U (en) | Novel pond leak protection device | |
| CN218580689U (en) | Rubble retaining wall structure is stabilized to enhancement mode cement | |
| CN218374474U (en) | Precast concrete board post-cast strip structure | |
| CN212248328U (en) | Raft foundation and tower crane foundation's linking structure |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200901 |