CN105804090A - Indoor piling wall support structure and construction method therefor - Google Patents
Indoor piling wall support structure and construction method therefor Download PDFInfo
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- CN105804090A CN105804090A CN201610235951.6A CN201610235951A CN105804090A CN 105804090 A CN105804090 A CN 105804090A CN 201610235951 A CN201610235951 A CN 201610235951A CN 105804090 A CN105804090 A CN 105804090A
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- 238000010276 construction Methods 0.000 title claims description 109
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 239000011083 cement mortar Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 16
- 238000004873 anchoring Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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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
- E02D29/02—Retaining or protecting walls
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
- E02D5/12—Locking forms; Edge joints; Pile crossings; Branch pieces
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Environmental & Geological Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses an indoor piling wall support structure. The indoor piling wall support structure comprises underground diaphragm walls and cast-in-place piles, wherein the cast-in-place piles are arranged on two sides of each underground diaphragm wall respectively, and the underground diaphragm wall and each corresponding cast-in-place pile are in lap joint meshing through an embedded part embedded at edges of the underground diaphragm wall and the corresponding cast-in-place pile; two ends of each embedded part extend horizontally along the outer surface of the corresponding underground diaphragm wall and folded to form embedded part flanges which are perpendicular to a main body of the embedded part and are parallel to each other; a water stop component is arranged on each embedded part; the underground diaphragm walls, the cast-in-place piles and the water stop components constitute water stop piling walls; a cement mortar layer is arranged on the side, connected with the corresponding underground diaphragm wall, of each cast-in-place pile, and a pipe component pre-equipped with a wire and made of a waterproof insulating material is arranged in the cement mortar layer; a cement mortar layer, prefabricated thermal mortar soft boards and prefabricated waterproof soft boards are arranged sequentially on the outer wall surface of underground space formed between the bottoms of the underground diaphragm walls and the cast-in-place piles; a displacement sensor is arranged between the prefabricated thermal mortar soft boards at a junction of each underground diaphragm wall and each corresponding cast-in-place pile, and a wire of the displacement sensor extends to the wall top from the corresponding pipe component.
Description
Technical field
The present invention relates to building field, be specifically related to a kind of piling wall in conjunction with supporting construction and construction method thereof.
Background technology
Along with expanding economy, land resource more tends to nervous.In architectural engineering, the degree of depth of excavation of foundation pit is also increasingly deeper, and the degree of depth of a lot of buildings is more than 15 meters, and this is more high for the requirement of foundation pit supporting construction.When excavating underground thing construction space one foundation ditch when soil layer, its sidewall is very easy to collapse in hole, necessary construction temperature pier structure, in order to retaining support, just can ensure foundation ditch and underground thing construction safety and the safety of the existing building of foundation ditch surrounding.
But, in the supporting construction of correlation technique when there is the emergencies such as earthquake or in support construction process, displacement or trickle inclination for supporting construction can not be monitored in time and be perceived, and there is the risk of harm main building.
Summary of the invention
It is an object of the invention to avoid above-mentioned weak point of the prior art to provide.
The purpose of the present invention is achieved through the following technical solutions:
Provide a kind of indoor piling wall supporting construction, it is characterised in that: include several ground-connecting-wall and several bored concrete pile；Described ground-connecting-wall adopts paddling process, churning method or press injecting method to be formed；The both sides of each described ground-connecting-wall are respectively arranged with bored concrete pile, and each described ground-connecting-wall connects formation piling wall supporting construction by described bored concrete pile；Described ground-connecting-wall and bored concrete pile are by being embedded in the built-in fitting overlap joint occlusion of the two edge；The two ends of described built-in fitting are horizontal-extending along the outer surface of described ground-connecting-wall, and are folded to form the body normal with described built-in fitting and the built-in fitting flange being parallel to each other；Described built-in fitting is provided with a waterstop member；Described ground-connecting-wall, bored concrete pile and waterstop member form sealing piling wall；The outer surface of the side that described bored concrete pile is connected with ground-connecting-wall is provided with one layer of cement sand bed, is provided with the tube members being preinstalled with electric wire being made up of waterproof insulation material in cement sand bed；The underground space of high 1500mm is formed between described ground-connecting-wall and the bottom of bored concrete pile, the wall face in described space is painted with one layer of cement sand bed, cement sand bed covers and is enclosed with prefabricated thermal insulation mortar soft board, prefabricated thermal insulation mortar soft board is coated with prefabricated waterproof soft board, wherein, being laid with displacement transducer between prefabricated thermal insulation mortar soft board and the prefabricated thermal insulation mortar soft board of bored concrete pile and ground-connecting-wall intersection, the tube members preset from ground-connecting-wall after connecting the electric wire waterproof material cladding of displacement transducer extends to the wall top of ground-connecting-wall.
Preferably, adjacent described bored concrete pile 2 is respectively arranged with an annular construction member, this annular construction member crosses ground-connecting-wall, preset in described annular construction member and be equipped with bearing element, it is filled with cement mortar in described annular construction member, arbitrary described bearing element is provided with the centralizer of an annular space for keeping annular construction member cement mortar stream, between described bored concrete pile and ground-connecting-wall, is additionally provided with the elastic sealing element for sealing described annular construction member.
Preferably, described built-in fitting is also associated with the anchoring piece extended along ground-connecting-wall direction；Described waterstop member is steel plate for sealing water, and it is by being fixedly welded on the centre position of described built-in fitting.
Preferably, described steel plate for sealing water is 5 × 50 steel plate for sealing water；The component that described anchoring piece includes anchor bar and macromolecular material is made；Described anchoring piece is symmetrically welded in the both sides of described waterstop member；The length of the main body of described built-in fitting and the thickness of ground-connecting-wall adapt, and the length of described built-in fitting flange is be more than or equal to 20mm.
Preferably, described supporting construction according to site condition, geological conditions and construction requirement, shape can become broken line type and/or turning type.
Preferably, ground-connecting-wall thickness is 700mm～900mm；Ground-connecting-wall wall length is 5000mm～7000mm.
Preferably, described ground-connecting-wall thickness is 800mm；Described ground-connecting-wall wall length is 6000mm；Bored concrete pile diameter is be more than or equal to ground-connecting-wall thickness+400mm.
Preferably, ground-connecting-wall with the length of the section of occlusion of bored concrete pile be more than or equal to 200mm；The section of occlusion of the adjacent diameter=1/2 bored concrete pile diameter-ground-connecting-wall between adjacent described ground-connecting-wall and the section of occlusion of bored concrete pile and bored concrete pile.
Preferably, the wall top of described ground-connecting-wall is high with the stake top mark of bored concrete pile consistent.
The construction method of a kind of indoor piling wall supporting construction, it is characterised in that comprise the following steps:
(1) preparation of construction, smooth construction site；(2) the construction line-putting: according to job site, lays construction Survey Control point and bench mark, periphery axis is accurately positioned setting-out；(3) filling pile construction: hole by the operating type of bored concrete pile, designs end absolute altitude, forms the stake holes for irrigating described bored concrete pile, is squeezed in stake holes by bored concrete pile；(4) bored concrete pile maintenance: allow its intensity level reach 75% design load；(5) between two adjacent bored concrete piles, carry out the construction of ground-connecting-wall；(6) treat that body of wall and bored concrete pile reach predetermined value, insert, at ground-connecting-wall and bored concrete pile junction, the tube members being preinstalled with electric wire；(7) on underground space exterior wall and be sequentially placed cement sand bed, prefabricated thermal insulation mortar soft board, displacement transducer and prefabricated waterproof soft board.
The beneficial effect of embodiment provided by the present invention:
(1) a kind of indoor piling wall supporting construction that embodiments of the invention provide, it is compared with the ground-connecting-wall supporting construction in correlation technique, and stack pile plane stiffness improves more than 18%；Additionally, stake, wall node are rationally, easy construction, it is ensured that ground connection wall joint quality, effectively eliminate the common quality defect of ground-connecting-wall joint.
(2) embodiments of the invention additionally provide a kind of construction technology suitable in the present invention, owing to bored concrete pile and ground-connecting-wall have the construction technology of maturation, therefore the present invention constructs simply, adopts elder generation's construction stake, constructs ground-connecting-wall afterwards, ground-connecting-wall construction is without job-hopping construction, it is possible to construct continuously.
(3) owing to being provided with displacement transducer, therefore, when slight movement occurs for stake and/or wall, displacement transducer can transfer information to mobile terminal, it may be achieved the real-time monitoring to piling wall supporting construction, to prevent the generation of potential danger.
(4) owing to being provided with the bearing element of dual reinforcing function in the bored concrete pile of the present invention and ground-connecting-wall, and bearing element is provided with centralizer, centralizer can ensure that the cement mortar in the annular construction member at bearing element place fills gap, therefore, not only strengthen piling wall supporting construction, more ensure that being smoothed out of construction.
(5) cost of bored concrete pile of the present invention is lower than ground-connecting-wall, and piling wall is relatively low in conjunction with support construction total cost, and can substantial amounts of use manpower and material resources sparingly cost, can be widely popularized applicable.
Accompanying drawing explanation
Utilize accompanying drawing that invention is described further, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is the plane graph of a kind of indoor piling wall supporting construction that embodiments of the invention provide.
Fig. 2 is the elevation of a kind of indoor piling wall supporting construction that embodiments of the invention provide.
Fig. 3 is the enlarged drawing of the bored concrete pile of a kind of indoor piling wall supporting construction that embodiments of the invention provide and ground-connecting-wall occlusion section and built-in fitting.
Fig. 4 is the broken line type layout drawing of a kind of indoor piling wall supporting construction that embodiments of the invention provide.
Fig. 5 is the turning type layout drawing of a kind of indoor piling wall supporting construction that embodiments of the invention provide.
Fig. 6 is the annular construction member schematic diagram of a kind of indoor piling wall supporting construction that embodiments of the invention provide.
Fig. 7 is the bearing element schematic diagram of a kind of indoor piling wall supporting construction that embodiments of the invention provide.
Wherein: wherein: 1-ground-connecting-wall, 2-bored concrete pile, 3-built-in fitting, 4-waterstop member, 5-anchoring piece, 6-built-in fitting flange, 7-wall top, 8-stake top, 9-displacement transducer, 10-tube members, 11-cement sand bed, 12-prefabricated thermal insulation mortar soft board, the prefabricated waterproof soft board of 13-, 14a, 14b-bearing element, 15-centralizer, 16-cement mortar, 17-annular construction member, B-ground-connecting-wall thickness, L-ground-connecting-wall length, D-bored concrete pile diameter, d-piling wall occlusion section diameter, D1-adjacent diameter, HWall-ground-connecting-wall height, HStake-bored concrete pile length.
Detailed description of the invention
The invention will be further described with the following Examples.
A kind of indoor piling wall supporting construction that embodiments of the invention provide, including several ground-connecting-walls 1 and several bored concrete pile 2.Ground-connecting-wall 1 adopts paddling process, churning method or press injecting method to be formed.The both sides of each ground-connecting-wall 1 are respectively arranged with bored concrete pile 2, and each ground-connecting-wall 1 connects formation piling wall supporting construction by bored concrete pile 2；Ground-connecting-wall 1 and bored concrete pile 2 are by being embedded in the built-in fitting 3 overlap joint occlusion of the two edge；The two ends of built-in fitting 3 are horizontal-extending along the outer surface of ground-connecting-wall 1, and are folded to form the body normal with built-in fitting 3 and the built-in fitting flange 6 being parallel to each other；Built-in fitting 3 is provided with a waterstop member 4；Ground-connecting-wall 1, bored concrete pile 2 and waterstop member 4 form sealing piling wall；The outside side being connected with ground-connecting-wall 1 of bored concrete pile 2 is provided with one layer of cement sand bed 11, is provided with the tube members 10 being preinstalled with electric wire being made up of waterproof insulation material in cement sand bed 11；The underground space of high 1500mm is formed between the bottom of ground-connecting-wall 1 and bored concrete pile 2, the wall face in space is painted with one layer of cement sand bed 11, cement sand bed 11 covers and is enclosed with prefabricated thermal insulation mortar soft board 12, prefabricated thermal insulation mortar soft board 12 is coated with prefabricated waterproof soft board 13, wherein, being laid with displacement transducer 9 between prefabricated thermal insulation mortar soft board 12 and the prefabricated thermal insulation mortar soft board 12 of bored concrete pile 2 and ground-connecting-wall 1 intersection, the tube members 10 preset from ground-connecting-wall 1 after connecting the electric wire waterproof material cladding of displacement transducer 9 extends to the wall top 7 of ground-connecting-wall 1.
As preferably, adjacent bored concrete pile 2 is respectively arranged with an annular construction member 17, this annular construction member 17 crosses ground-connecting-wall 1, preset in described annular construction member 17 and be equipped with bearing element 14a, 14b, it is filled with cement mortar 16 in annular construction member 17, arbitrary bearing element 14a, 14b are provided with the centralizer 15 of an annular space for keeping annular construction member cement mortar stream, between bored concrete pile 2 and ground-connecting-wall 1, be additionally provided with the elastic sealing element for sealing annular construction member 17.Additionally, be also filled with cement mortar 16 in bearing element 14a, 14b, by the cement mortar 16 of bearing element 14a, 14b part, the power between ground-connecting-wall 1 and superstructure wall and moment can be transmitted.
As preferably, built-in fitting 3 being also associated with the anchoring piece 5 extended along ground-connecting-wall direction；Waterstop member 4 is steel plate for sealing water, and it is by being fixedly welded on the centre position of built-in fitting 3.
As preferably, steel plate for sealing water is 5 × 50 steel plate for sealing water；The component that anchoring piece 5 includes anchor bar and macromolecular material is made；Anchoring piece 5 is symmetrically welded in the both sides of waterstop member 4；The length of the main body of built-in fitting 3 and the thickness of ground-connecting-wall adapt, and the length of built-in fitting flange 6 is be more than or equal to 20mm.
As preferably, supporting construction according to site condition, geological conditions and construction requirement, shape can become broken line type and/or turning type.
As preferably, ground-connecting-wall thickness B is 700mm～900mm；The long L of ground-connecting-wall wall is 5000mm～7000mm.
As preferably, ground-connecting-wall thickness B is 800mm；The long L of ground-connecting-wall wall is 6000mm；Bored concrete pile diameter D is be more than or equal to ground-connecting-wall thickness B+400mm.
As preferably, the length of ground-connecting-wall and the section of the occlusion d of bored concrete pile is be more than or equal to 200mm；Adjacent diameter D between adjacent ground-connecting-wall and the section of occlusion of bored concrete pile1The section of the occlusion d of=1/2 bored concrete pile diameter D-ground-connecting-wall and bored concrete pile.
As preferably, it is consistent that 8 absolute altitudes are pushed up with the stake of bored concrete pile 2 in the wall top 7 of ground-connecting-wall 1.
The construction method of a kind of indoor piling wall supporting construction, comprises the following steps: (1) preparation of construction, smooth construction site；(2) the construction line-putting: according to job site, lays construction Survey Control point and bench mark, periphery axis is accurately positioned setting-out；(3) filling pile construction: hole by the operating type of bored concrete pile, designs end absolute altitude, forms the stake holes for irrigating described bored concrete pile, is squeezed in stake holes by bored concrete pile；(4) bored concrete pile maintenance: allow its intensity level reach 75% design load；(5) between two adjacent bored concrete piles, carry out the construction of ground-connecting-wall；(6) treat that body of wall and bored concrete pile reach predetermined value, insert, at ground-connecting-wall and bored concrete pile junction, the tube members being preinstalled with electric wire；(7) on underground space exterior wall and be sequentially placed cement sand bed, prefabricated thermal insulation mortar soft board, displacement transducer and prefabricated waterproof soft board.
A kind of indoor piling wall supporting construction that embodiments of the invention provide, it is compared with the ground-connecting-wall supporting construction in correlation technique, and stack pile plane stiffness improves more than 18%；Additionally, stake, wall node are rationally, easy construction, it is ensured that ground connection wall joint quality, effectively eliminate the common quality defect of ground-connecting-wall joint.Embodiments of the invention additionally provide a kind of construction technology suitable in the present invention, owing to bored concrete pile and ground-connecting-wall have the construction technology of maturation, therefore the present invention constructs simply, adopts elder generation's construction stake, constructs ground-connecting-wall afterwards, ground-connecting-wall construction is without job-hopping construction, it is possible to construct continuously.Additionally, due to be provided with displacement transducer, therefore, when slight movement occurs for stake and/or wall, displacement transducer can transfer information to mobile terminal, it may be achieved the real-time monitoring to piling wall supporting construction, to prevent the generation of potential danger.Owing to being provided with the bearing element of dual reinforcing function in the bored concrete pile of the present invention and ground-connecting-wall, and bearing element is provided with centralizer, centralizer can ensure that the cement mortar in the annular construction member at bearing element place fills gap, therefore, not only strengthen piling wall supporting construction, more ensure that being smoothed out of construction.The cost of bored concrete pile of the present invention is lower than ground-connecting-wall, and piling wall is relatively low in conjunction with support construction total cost, and can substantial amounts of use manpower and material resources sparingly cost, can be widely popularized applicable.
Finally should be noted that; above example is only in order to illustrate technical scheme; but not limiting the scope of the invention; although having made to explain to the present invention with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. an indoor piling wall supporting construction, it is characterised in that: include ground-connecting-wall (1) and bored concrete pile (2)；The both sides of described ground-connecting-wall (1) are respectively arranged with bored concrete pile (2), and described ground-connecting-wall (1) connects formation piling wall supporting construction by bored concrete pile (2)；Described ground-connecting-wall (1) and bored concrete pile (2) are by being embedded in built-in fitting (3) the overlap joint occlusion of the two edge；The two ends of described built-in fitting (3) are horizontal-extending along the outer surface of described ground-connecting-wall (1), and are folded to form the body normal with described built-in fitting (3) and the built-in fitting flange (6) being parallel to each other；Described built-in fitting (3) is provided with a waterstop member (4)；Described ground-connecting-wall (1), bored concrete pile (2) and waterstop member (4) form sealing piling wall；
The outer surface of the side that described bored concrete pile (2) is connected with ground-connecting-wall (1) is provided with cement sand bed (11), is provided with the tube members (10) being preinstalled with electric wire being made up of waterproof insulation material in cement sand bed (11)；The underground space of high 1500mm is formed between the bottom of described ground-connecting-wall (1) and bored concrete pile (2), the wall face in described space is painted with one layer of cement sand bed (11), the upper covering of cement sand bed (11) is enclosed with prefabricated thermal insulation mortar soft board (12), prefabricated thermal insulation mortar soft board (12) is coated with prefabricated waterproof soft board (13), wherein, it is laid with displacement transducer (9) between prefabricated thermal insulation mortar soft board (12) and prefabricated thermal insulation mortar soft board (12) of bored concrete pile (2) and ground-connecting-wall (1) intersection, the tube members (10) preset from ground-connecting-wall (1) after connecting the electric wire waterproof material cladding of displacement transducer (9) extends to the wall top (7) of ground-connecting-wall (1).
2. a kind of indoor piling wall supporting construction according to claim 1, it is characterized in that, adjacent described bored concrete pile (2) is respectively arranged with an annular construction member (17), this annular construction member (17) crosses ground-connecting-wall (1), preset in described annular construction member (17) and be equipped with bearing element (14a, 14b), cement mortar (16) it is filled with in described annular construction member (17), arbitrary described bearing element (14a, the centralizer (15) of an annular space for keeping annular construction member cement mortar stream it is provided with on 14b), the elastic sealing element for sealing described annular construction member (17) it is additionally provided with between described bored concrete pile (2) and ground-connecting-wall (1).
3. a kind of indoor piling wall supporting construction according to claim 1, it is characterized in that, described built-in fitting (3) is also associated with the anchoring piece (5) extended along ground-connecting-wall direction, described waterstop member (4) is steel plate for sealing water, and it is by being fixedly welded on the centre position of described built-in fitting (3).
4. a kind of indoor piling wall supporting construction according to claim 1, it is characterised in that described steel plate for sealing water is 5 × 50 steel plate for sealing water；The component that described anchoring piece (5) includes anchor bar and macromolecular material is made；Described anchoring piece (5) is symmetrically welded in the both sides of described waterstop member (4)；The length of main body of described built-in fitting (3) and the thickness of ground-connecting-wall adapt, and the length of described built-in fitting flange (6) is be more than or equal to 20mm.
5. a kind of indoor piling wall supporting construction according to claim 1, it is characterised in that described supporting construction according to site condition, geological conditions and construction requirement, shape can become broken line type and/or turning type.
6. a kind of indoor piling wall supporting construction according to claim 1, it is characterised in that ground-connecting-wall thickness (B) is 700mm～900mm；Ground-connecting-wall wall length (L) is 5000mm～7000mm.
7. a kind of indoor piling wall supporting construction according to claim 6, it is characterised in that described ground-connecting-wall thickness (B) is 800mm；Described ground-connecting-wall wall length (L) is 6000mm；Bored concrete pile diameter (D) is be more than or equal to ground-connecting-wall thickness (B)+400mm.
8. a kind of indoor piling wall supporting construction according to claim 1, it is characterised in that the length of ground-connecting-wall and the section of occlusion (d) of bored concrete pile is be more than or equal to 200mm；Adjacent diameter (D between adjacent described ground-connecting-wall and the section of occlusion of bored concrete pile1The section of occlusion (d) of)=1/2 bored concrete pile diameter (D)-ground-connecting-wall and bored concrete pile.
9. a kind of indoor piling wall supporting construction according to claim 1, it is characterised in that the wall top (7) of described ground-connecting-wall (1) is consistent with stake top (8) absolute altitude of bored concrete pile (2).
10. for the construction method of the supporting construction described in claim 1, it is characterised in that comprise the following steps:
(1) preparation of construction, smooth construction site；(2) the construction line-putting: according to job site, lays construction Survey Control point and bench mark, periphery axis is accurately positioned setting-out；(3) filling pile construction: hole by the operating type of bored concrete pile, designs end absolute altitude, forms the stake holes for irrigating described bored concrete pile, is squeezed in stake holes by bored concrete pile；(4) bored concrete pile maintenance: allow its intensity level reach 75% design load；(5) between two adjacent bored concrete piles, carry out the construction of ground-connecting-wall；(6) treat that body of wall and bored concrete pile reach predetermined value, insert, at ground-connecting-wall and bored concrete pile junction, the tube members being preinstalled with electric wire；(7) on underground space exterior wall and be sequentially placed cement sand bed, prefabricated thermal insulation mortar soft board, displacement transducer and prefabricated waterproof soft board.
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| CN201610235951.6A CN105804090B (en) | 2016-04-15 | 2016-04-15 | A kind of indoor piling wall supporting construction and its construction method |
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| CN201610235951.6A CN105804090B (en) | 2016-04-15 | 2016-04-15 | A kind of indoor piling wall supporting construction and its construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258576A (en) * | 2019-05-28 | 2019-09-20 | 安徽省公路桥梁工程有限公司 | The construction method of foundation pit enclosure support system |
| CN110284506A (en) * | 2019-05-22 | 2019-09-27 | 上海港城建筑安装工程有限公司 | A kind of foundation pit enclosure method for the expansion construction that deep basal pit is cheated to shallow foundation |
| CN110485431A (en) * | 2019-07-24 | 2019-11-22 | 青岛理工大学 | A kind of interlocking pile combines foundation pit supporting construction with ground-connecting-wall |
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| CN103669402A (en) * | 2013-12-25 | 2014-03-26 | 华东建筑设计研究院有限公司 | Pile and wall integrated structure combining outer wall of basement body and guard pile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284506A (en) * | 2019-05-22 | 2019-09-27 | 上海港城建筑安装工程有限公司 | A kind of foundation pit enclosure method for the expansion construction that deep basal pit is cheated to shallow foundation |
| CN110258576A (en) * | 2019-05-28 | 2019-09-20 | 安徽省公路桥梁工程有限公司 | The construction method of foundation pit enclosure support system |
| CN110258576B (en) * | 2019-05-28 | 2021-04-09 | 安徽省公路桥梁工程有限公司 | Construction method of foundation pit enclosure support system |
| CN110485431A (en) * | 2019-07-24 | 2019-11-22 | 青岛理工大学 | A kind of interlocking pile combines foundation pit supporting construction with ground-connecting-wall |
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| Publication number | Publication date |
|---|---|
| CN105804090B (en) | 2017-10-27 |
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