CN105040706B - A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space - Google Patents
A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space Download PDFInfo
- Publication number
- CN105040706B CN105040706B CN201510253634.2A CN201510253634A CN105040706B CN 105040706 B CN105040706 B CN 105040706B CN 201510253634 A CN201510253634 A CN 201510253634A CN 105040706 B CN105040706 B CN 105040706B
- Authority
- CN
- China
- Prior art keywords
- campshed
- basement
- stake
- construction
- double
- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 82
- 230000008878 coupling Effects 0.000 claims abstract description 54
- 238000010168 coupling process Methods 0.000 claims abstract description 54
- 238000005859 coupling reaction Methods 0.000 claims abstract description 54
- 239000004567 concrete Substances 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 15
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000006467 substitution reaction Methods 0.000 claims abstract description 8
- 238000002271 resection Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 19
- 238000009412 basement excavation Methods 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 12
- 230000011218 segmentation Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to a kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space, belong to construction and field of house buildings.Campshed stake top is provided with Guan Liang I before the present invention, the stake top of campshed is provided with Guan Liang II afterwards, preceding campshed and rear campshed stake top are connected by coupling beam I, it is provided with water-stop curtain stake after campshed stake in the soil body afterwards, after the leveling of place one of coupling beam II, coupling beam II and negative one layer basement bottom board one-piece casting are poured by all engineering piles of designing and constructing, preceding campshed stake top after a resection, the charge stratifying compacted fill between preceding campshed and minus two layers of outer wall of basement, plain concrete is filled between preceding campshed and minus two layers of basement bottom board.The present invention by double-row pile and Single row pillars etc. rigidity substitution principle, the rigidity such as double-row pile are replaced into single pilework, can not only control the horizontal displacement of supporting structure system, while pattern foundation pit supporting structure expense can also be greatly reduced;There is preferable economy in the base pit engineering with multi-storey basement.
Description
Technical field
The present invention relates to a kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space, belong to and build
Build construction and field of house buildings.
Background technology
With the quickening of urbanization process paces, the building height more and more higher of inner city, the ground of building
Lower room is towards deeper, great development, and geological conditions is worse and worse, and base pit engineering surrounding enviroment become increasingly complex.Central city
The available land resource of base pit engineering in area is fewer and fewer, but how sharp to greatest extent in existing land resource
With being the common target most asked of developers.At present, China frequently with supporting scheme have:Slope excavation, soil-nail wall support, stake
Anchor supporting, cement-soil gravity type retaining wall, campshed add the support patterns such as inner supporting structure, double-row pile.Slope is excavated, soil nail wall branch
Shield, pile-anchor retaining are excessive in the support space required for inner city, can not often use.For the base containing multi-storey basement
Engineering is cheated, the requirement of foundation pit deformation can not be met using cantilevered Single row pillars supporting construction;Cantilevered Retaining Structure with Double-row Piles is firm
Degree is big but adaptation depth is limited;Common campshed adds high inner support supporting construction cost, long construction period and basement space to utilize
Rate is inadequate.Therefore, there is certain limitation using traditional supporting construction.
The content of the invention
In order to preferably solve the above problems, while basement space is set to be fully utilized, the present invention provides
A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space.
The technical scheme is that:A kind of Retaining Structure with Double-row Piles that can make full use of basement space, by preceding campshed
1st, rear campshed 2, Guan Liang I 3, Guan Liang II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, layering are rammed
10, negative one layer basement bottom board 12, minus two layers of basement bottom board 13, the coupling beam II 14 of banketing in fact form;The wherein preceding stake top of campshed 1 is set
There is Guan Liang I 3, the stake top of rear campshed 2 is provided with Guan Liang II 4, preceding campshed 1 and the stake top of rear campshed 2 and connected by coupling beam I 5, rear campshed 2
Water-stop curtain stake 6 is provided with after stake in the soil body, by all engineering piles 8 of designing and constructing, preceding campshed after a resection 1 after the leveling of place
One of coupling beam II 14, coupling beam II 14 and the one-piece casting of negative one layer basement bottom board 12 are built in top casting, in preceding campshed 1 and minus two layers of underground
Charge stratifying compacted fill 10 between the exterior wall of room, plain concrete 9 is filled between preceding campshed 1 and minus two layers of basement bottom board 13.
The pile body horizontal layout of the preceding campshed 1 and rear campshed 2 is rectangular or " fourth " font array arrangement and is spaced
Arrangement.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the construction procedure are as follows:
Step1, the requirement according to Geological condition and deep pit monitor Stability Numerical Analysis, determine that the stake of campshed is long, stake
Footpath and stake spacing, it is determined that spacing, sectional dimension and the arrangement form of support;To campshed and the cross-sectional strength and arrangement of reinforcement of support system
It is designed;Determine the sectional dimension and quantity of reinforcement of Guan Liang;Determine excavation process;
Step2, according to the pile body stiffness of Single row pillars by etc. the replacement of rigidity substitution principle into Retaining Structure with Double-row Piles, double-row pile
In after the position of campshed determine that and the array pitch of campshed is 3 before and after ensureing according to the position of the scope of excavation of foundation pit and property line
~5 times of campshed diameter (the total materials of pile shaft material are greatly reduced);
Step3, according to construction requirement, after levelling of the land, all engineering piles 8 of having been constructed on setting absolute altitude;
Step4, construction water-stop curtain stake 6, pile-type are required to determine by design and sealing;
Campshed 2 after Step5, construction, pile-type are determined by design;
Campshed 1 before Step6, construction, pile-type are determined by design;
Step7, construction Guan Liang I 3, Guan Liang II 4, coupling beam I 5, coupling beam II 14, make whole support system form an entirety,
Each several part cooperative bearing deforms;
Step8, excavated by operating mode layer and section and design each layer support system, Foundation Pit bottom is arrived until excavating;
Step9, pour basement bottom board, and up construct and basement structure and remove each road support system, until pouring
Before negative one layer basement bottom board 12;
Step10, segmentation remove first of inner support, preceding campshed 1, Guan Liang I 3 and coupling beam I 5, and before and after removing between campshed stake
The soil body;By negative one layer basement bottom board 12 be segmented pour to apart from rear campshed 2 be 1m opening position and pour outer wall of basement extremely
Ground, wherein basement structure can use preceding campshed to be also used as vertical force transfer system using Cantilever Beams 15 as force transfer system;
By said process section construction until whole basement construction is completed.
When basement structure uses preceding campshed as force transfer system, the basement of extension and original basement connecting portion palpus
(differential settlement is avoided to cause the basement structure of epitaxial part to destroy, preceding campshed not only will provided with one of subsiding crack 11
Meet as supporting construction when anti-bending bearing capacity requirement, and to meet Compressive Bearing Capacity during as force transfer system and vertically
The requirement of sedimentation and deformation).The length of the preceding campshed 1 may be designed as being more than or equal to the rear length of campshed 2.
When basement structure is used as vertical force transfer system using Cantilever Beams 15, the sectional dimension and spacing of Cantilever Beams 15 answer root
Calculate and determine according to the load of extension basement structure.
If it is determined that using a diameter of d single supporting pile structure, single pilework is pressed and waits Rigidity Theory to replace into double
Pilework, it is assumed that the diameter of the front and rear campshed of Retaining Structure with Double-row Piles is equal, and a diameter of D of support pile after replacement, takes supporting
The array pitch of stake is 4D, by grade Rigidity Theory then:EIIt is single=EIIt is double(wherein, support pile is reinforced concrete pile, Single row pillars with it is double
The elastic modulus E of stake is equal), obtain π d4/ 64=2 ∫ y2DA (wherein y=2D, A=π D2/ 4), solveIt is then double
Stake supporting construction front and rear campshed area of section and be:Take double
The stake of stake is long long equal with the stake of Single row pillars supporting construction, then under equal rigidity condition, double-row pile concrete amount is only single
The 1/4 of campshed, its economy are considerable.
The beneficial effects of the invention are as follows:
1st, for deep big foundation pit engineering, particularly containing base pit engineering more than two layers of basement, at present Single row pillars combination
Inner support support form becomes main flow, but the rigidity of Single row pillars is smaller, with the increase of foundation depth, to control supporting knot
The horizontal displacement of structure, then the diameter of support pile will certainly be increased, reduce the horizontally and vertically spacing supported, increase supporting construction
Sectional dimension etc., significantly add engineering material, cause unnecessary waste.From this angle, by double
Stake with Single row pillars etc. rigidity substitution principle, by the rigidity such as double-row pile replacement into single pilework, can not only control supporting knot
The horizontal displacement of structure system, while pattern foundation pit supporting structure expense can also be greatly reduced.
2nd, Retaining Structure with Double-row Piles improves the stress performance of supporting construction, reduced compared with Single row pillars supporting construction
Pile shaft material dosage, effectively control support pile pile body displacement;Compared with traditional double-row pile, increase negative one layer basement can
Utilization space, limited land resource is fully utilized, improve economic benefit, in the base with multi-storey basement
There is preferable economy in the engineering of hole.
3rd, vertical force transfer system that as needed can be using preceding campshed as proposed building basement, campshed before adding
Purposes.
Brief description of the drawings
Fig. 1 is profile when basement structure of the present invention uses preceding campshed as force transfer system;
Fig. 2 is profile when basement structure of the present invention uses Cantilever Beams as force transfer system;
Each label in figure:Campshed before 1-;Campshed after 2-;3- Guan Liangs I;4- Guan Liangs II;5- coupling beams I;6- water-stop curtain stakes;7-
Basement;8- engineering piles;9- plain concretes;10- compactions in layers are banketed;11- subsiding cracks;12- negative one layer basement bottom boards;13-
Minus two layers of basement bottom board;14- coupling beams II;15- Cantilever Beams.
Embodiment
Embodiment 1:As shown in figure 1, a kind of Retaining Structure with Double-row Piles that can make full use of basement space, by preceding campshed 1,
Campshed 2, Guan Liang I 3, Guan Liang II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, compaction in layers afterwards
10, negative one layer basement bottom board 12, minus two layers of basement bottom board 13, the coupling beam II 14 of banketing form;The wherein preceding stake top of campshed 1 is provided with
Guan Liang I 3, the stake top of rear campshed 2 are provided with Guan Liang II 4, preceding campshed 1 and the stake top of rear campshed 2 and connected by coupling beam I 5, rear campshed 2
Water-stop curtain stake 6 is provided with the soil body afterwards, by all engineering piles 8 of designing and constructing, the stake top of preceding campshed 1 after a resection after the leveling of place
One of coupling beam II 14, coupling beam II 14 and the one-piece casting of negative one layer basement bottom board 12 are poured, in preceding campshed 1 and minus two layers of basement
Charge stratifying compacted fill 10 between exterior wall, plain concrete 9 is filled between preceding campshed 1 and minus two layers of basement bottom board 13.
The pile body horizontal layout rectangular array arrangement of the preceding campshed 1 and rear campshed 2 and it is spaced arrangement.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the construction procedure are as follows:
Step1, the requirement according to Geological condition and deep pit monitor Stability Numerical Analysis, determine that the stake of campshed is long, stake
Footpath and stake spacing, it is determined that spacing, sectional dimension and the arrangement form of support;To campshed and the cross-sectional strength and arrangement of reinforcement of support system
It is designed;Determine the sectional dimension and quantity of reinforcement of Guan Liang;Determine excavation process;
Step2, according to the pile body stiffness of Single row pillars by etc. the replacement of rigidity substitution principle into Retaining Structure with Double-row Piles, double-row pile
In after the position of campshed determine that and the array pitch of campshed is 3 before and after ensureing according to the position of the scope of excavation of foundation pit and property line
Campshed diameter again;
Step3, according to construction requirement, after levelling of the land, all engineering piles 8 of having been constructed on setting absolute altitude;
Step4, construction water-stop curtain stake 6, pile-type are required to determine by design and sealing;
Campshed 2 after Step5, construction, pile-type are determined by design;
Campshed 1 before Step6, construction, pile-type are determined by design;
Step7, construction Guan Liang I 3, Guan Liang II 4, coupling beam I 5, coupling beam II 14, make whole support system form an entirety,
Each several part cooperative bearing deforms;
Step8, excavated by operating mode layer and section and design each layer support system, Foundation Pit bottom is arrived until excavating;
Step9, pour basement bottom board, and up construct and basement structure and remove each road support system, until pouring
Before negative one layer basement bottom board 12;
Step10, segmentation remove first of inner support, preceding campshed 1, Guan Liang I 3 and coupling beam I 5, and before and after removing between campshed stake
The soil body;By negative one layer basement bottom board 12 be segmented pour to apart from rear campshed 2 be 1m opening position and pour outer wall of basement extremely
Ground, wherein basement structure are using preceding campshed as force transfer system;By said process section construction until whole basement is applied
Work is completed.
When basement structure uses preceding campshed as force transfer system, the basement of extension and original basement connecting portion palpus
Provided with one of subsiding crack 11.
The length of the preceding campshed 1 may be designed as being equal to the rear length of campshed 2.
Embodiment 2:As shown in figure 1, substantially the same manner as Example 1, its difference:
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the length of the preceding campshed 1
It may be designed as being more than the rear length of campshed 2.
Embodiment 3:As shown in figure 1, substantially the same manner as Example 1, its difference:
A kind of Retaining Structure with Double-row Piles that can make full use of basement space, the pile body of the preceding campshed 1 and rear campshed 2 are put down
Face arrangement is in " fourth " font array arrangement and is spaced arrangement.
Embodiment 4:As shown in figure 1, substantially the same manner as Example 1, its difference:
A kind of Retaining Structure with Double-row Piles that can make full use of basement space, the pile body of the preceding campshed 1 and rear campshed 2 are put down
Face arrangement is in " fourth " font array arrangement and is spaced arrangement.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the length of the preceding campshed 1
It may be designed as being more than the rear length of campshed 2.
Embodiment 5:As shown in figure 1, substantially the same manner as Example 1, its difference:
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the array pitch of the front and rear campshed
For 5 times of campshed diameter.
Embodiment 6:As shown in figure 1, substantially the same manner as Example 1, its difference:
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the array pitch of the front and rear campshed
For 5 times of campshed diameter.The length of the preceding campshed 1 may be designed as being more than the rear length of campshed 2.
Embodiment 7:As shown in figure 1, substantially the same manner as Example 1, its difference:
A kind of Retaining Structure with Double-row Piles that can make full use of basement space, the pile body of the preceding campshed 1 and rear campshed 2 are put down
Face arrangement is in " fourth " font array arrangement and is spaced arrangement.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the array pitch of the front and rear campshed
For 5 times of campshed diameter.The length of the preceding campshed 1 may be designed as being more than the rear length of campshed 2.
Embodiment 8:As shown in figure 1, substantially the same manner as Example 1, its difference:
A kind of Retaining Structure with Double-row Piles that can make full use of basement space, the pile body of the preceding campshed 1 and rear campshed 2 are put down
Face arrangement is in " fourth " font array arrangement and is spaced arrangement.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the array pitch of the front and rear campshed
For 5 times of campshed diameter.
Embodiment 9:As shown in Fig. 2 a kind of Retaining Structure with Double-row Piles that can make full use of basement space, by preceding campshed 1,
Campshed 2, Guan Liang I 3, Guan Liang II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, compaction in layers afterwards
10, negative one layer basement bottom board 12, minus two layers of basement bottom board 13, the coupling beam II 14 of banketing form;The wherein preceding stake top of campshed 1 is provided with
Guan Liang I 3, the stake top of rear campshed 2 are provided with Guan Liang II 4, preceding campshed 1 and the stake top of rear campshed 2 and connected by coupling beam I 5, rear campshed 2
Water-stop curtain stake 6 is provided with the soil body afterwards, by all engineering piles 8 of designing and constructing, the stake top of preceding campshed 1 after a resection after the leveling of place
One of coupling beam II 14, coupling beam II 14 and the one-piece casting of negative one layer basement bottom board 12 are poured, in preceding campshed 1 and minus two layers of basement
Charge stratifying compacted fill 10 between exterior wall, plain concrete 9 is filled between preceding campshed 1 and minus two layers of basement bottom board 13.
The pile body horizontal layout rectangular array arrangement of the preceding campshed 1 and rear campshed 2 and it is spaced arrangement.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the construction procedure are as follows:
Step1, the requirement according to Geological condition and deep pit monitor Stability Numerical Analysis, determine that the stake of campshed is long, stake
Footpath and stake spacing, it is determined that spacing, sectional dimension and the arrangement form of support;To campshed and the cross-sectional strength and arrangement of reinforcement of support system
It is designed;Determine the sectional dimension and quantity of reinforcement of Guan Liang;Determine excavation process;
Step2, according to the pile body stiffness of Single row pillars by etc. the replacement of rigidity substitution principle into Retaining Structure with Double-row Piles, double-row pile
In after the position of campshed determine that and the array pitch of campshed is 3 before and after ensureing according to the position of the scope of excavation of foundation pit and property line
Campshed diameter again;
Step3, according to construction requirement, after levelling of the land, all engineering piles 8 of having been constructed on setting absolute altitude;
Step4, construction water-stop curtain stake 6, pile-type are required to determine by design and sealing;
Campshed 2 after Step5, construction, pile-type are determined by design;
Campshed 1 before Step6, construction, pile-type are determined by design;
Step7, construction Guan Liang I 3, Guan Liang II 4, coupling beam I 5, coupling beam II 14, make whole support system form an entirety,
Each several part cooperative bearing deforms;
Step8, excavated by operating mode layer and section and design each layer support system, Foundation Pit bottom is arrived until excavating;
Step9, pour basement bottom board, and up construct and basement structure and remove each road support system, until pouring
Before negative one layer basement bottom board 12;
Step10, segmentation remove first of inner support, preceding campshed 1, Guan Liang I 3 and coupling beam I 5, and before and after removing between campshed stake
The soil body;By negative one layer basement bottom board 12 be segmented pour to apart from rear campshed 2 be 1m opening position and pour outer wall of basement extremely
Ground, wherein basement structure are used as vertical force transfer system using Cantilever Beams 15;By said process section construction until entirely
Lower room construction is completed.
When basement structure is used as vertical force transfer system using Cantilever Beams 15, the sectional dimension and spacing of Cantilever Beams 15 answer root
Calculate and determine according to the load of extension basement structure.
According to the size of encorbelment width and the dead load load of extension basement, pressed in negative one layer basement bottom board 12
Certain distance sets certain Cantilever Beams 15 to transmit the load of epitaxial part basement.
Embodiment 10:As shown in Fig. 2 substantially the same manner as Example 9, its difference:
A kind of Retaining Structure with Double-row Piles that can make full use of basement space, the pile body of the preceding campshed 1 and rear campshed 2 are put down
Face arrangement is in " fourth " font array arrangement and is spaced arrangement.
Embodiment 11:As shown in Fig. 2 substantially the same manner as Example 9, its difference:
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the array pitch of the front and rear campshed
For 5 times of campshed diameter;
Embodiment 12:As shown in Fig. 2 substantially the same manner as Example 9, its difference:
A kind of Retaining Structure with Double-row Piles that can make full use of basement space, the pile body of the preceding campshed 1 and rear campshed 2 are put down
Face arrangement is in " fourth " font array arrangement and is spaced arrangement.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the array pitch of the front and rear campshed
For 5 times of campshed diameter.
Embodiment 13:As shown in Figure 1-2, a kind of Retaining Structure with Double-row Piles that can make full use of basement space, by front row
Stake 1, rear campshed 2, Guan Liang I 3, Guan Liang II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, layering
Compacted fill 10, negative one layer basement bottom board 12, minus two layers of basement bottom board 13, coupling beam II 14 form;The wherein preceding stake top of campshed 1
Provided with Guan Liang I 3, the stake top of rear campshed 2 is provided with Guan Liang II 4, preceding campshed 1 and the stake top of rear campshed 2 and connected by coupling beam I 5, rear campshed
Water-stop curtain stake 6 is provided with after 2 in the soil body, by all engineering piles 8 of designing and constructing, preceding campshed 1 after a resection after the leveling of place
Stake top pours one of coupling beam II 14, coupling beam II 14 and the one-piece casting of negative one layer basement bottom board 12, in preceding campshed 1 and minus two layers of ground
Charge stratifying compacted fill 10 between the exterior wall of lower room, plain concrete 9 is filled between preceding campshed 1 and minus two layers of basement bottom board 13.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the construction procedure are as follows:
Step1, the requirement according to Geological condition and deep pit monitor Stability Numerical Analysis, determine that the stake of campshed is long, stake
Footpath and stake spacing, it is determined that spacing, sectional dimension and the arrangement form of support;To campshed and the cross-sectional strength and arrangement of reinforcement of support system
It is designed;Determine the sectional dimension and quantity of reinforcement of Guan Liang;Determine excavation process;
Step2, according to the pile body stiffness of Single row pillars by etc. the replacement of rigidity substitution principle into Retaining Structure with Double-row Piles, double-row pile
In after the position of campshed determine that and the array pitch of campshed is 3 before and after ensureing according to the position of the scope of excavation of foundation pit and property line
~5 times of campshed diameter;
Step3, according to construction requirement, after levelling of the land, all engineering piles 8 of having been constructed on setting absolute altitude;
Step4, construction water-stop curtain stake 6, pile-type are required to determine by design and sealing;
Campshed 2 after Step5, construction, pile-type are determined by design;
Campshed 1 before Step6, construction, pile-type are determined by design;
Step7, construction Guan Liang I 3, Guan Liang II 4, coupling beam I 5, coupling beam II 14, make whole support system form an entirety,
Each several part cooperative bearing deforms;
Step8, excavated by operating mode layer and section and design each layer support system, Foundation Pit bottom is arrived until excavating;
Step9, pour basement bottom board, and up construct and basement structure and remove each road support system, until pouring
Before negative one layer basement bottom board 12;
Step10, segmentation remove first of inner support, preceding campshed 1, Guan Liang I 3 and coupling beam I 5, and before and after removing between campshed stake
The soil body;By negative one layer basement bottom board 12 be segmented pour to apart from rear campshed 2 be 1m opening position and pour outer wall of basement extremely
Ground, wherein basement structure are using preceding campshed as force transfer system;By said process section construction until whole basement is applied
Work is completed.
When basement structure uses preceding campshed as force transfer system, the basement of extension and original basement connecting portion palpus
Provided with one of subsiding crack 11.The length of the preceding campshed 1 may be designed as being more than or equal to the rear length of campshed 2.
Embodiment 14:As shown in Figure 1-2, a kind of Retaining Structure with Double-row Piles that can make full use of basement space, by front row
Stake 1, rear campshed 2, Guan Liang I 3, Guan Liang II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, layering
Compacted fill 10, negative one layer basement bottom board 12, minus two layers of basement bottom board 13, coupling beam II 14 form;The wherein preceding stake top of campshed 1
Provided with Guan Liang I 3, the stake top of rear campshed 2 is provided with Guan Liang II 4, preceding campshed 1 and the stake top of rear campshed 2 and connected by coupling beam I 5, rear campshed
Water-stop curtain stake 6 is provided with after 2 in the soil body, by all engineering piles 8 of designing and constructing, preceding campshed 1 after a resection after the leveling of place
Stake top pours one of coupling beam II 14, coupling beam II 14 and the one-piece casting of negative one layer basement bottom board 12, in preceding campshed 1 and minus two layers of ground
Charge stratifying compacted fill 10 between the exterior wall of lower room, plain concrete 9 is filled between preceding campshed 1 and minus two layers of basement bottom board 13.
A kind of construction method for the Retaining Structure with Double-row Piles that can make full use of basement space, the construction procedure are as follows:
Step1, the requirement according to Geological condition and deep pit monitor Stability Numerical Analysis, determine that the stake of campshed is long, stake
Footpath and stake spacing, it is determined that spacing, sectional dimension and the arrangement form of support;To campshed and the cross-sectional strength and arrangement of reinforcement of support system
It is designed;Determine the sectional dimension and quantity of reinforcement of Guan Liang;Determine excavation process;
Step2, according to the pile body stiffness of Single row pillars by etc. the replacement of rigidity substitution principle into Retaining Structure with Double-row Piles, double-row pile
In after the position of campshed determine that and the array pitch of campshed is 3 before and after ensureing according to the position of the scope of excavation of foundation pit and property line
~5 times of campshed diameter;
Step3, according to construction requirement, after levelling of the land, all engineering piles 8 of having been constructed on setting absolute altitude;
Step4, construction water-stop curtain stake 6, pile-type are required to determine by design and sealing;
Campshed 2 after Step5, construction, pile-type are determined by design;
Campshed 1 before Step6, construction, pile-type are determined by design;
Step7, construction Guan Liang I 3, Guan Liang II 4, coupling beam I 5, coupling beam II 14, make whole support system form an entirety,
Each several part cooperative bearing deforms;
Step8, excavated by operating mode layer and section and design each layer support system, Foundation Pit bottom is arrived until excavating;
Step9, pour basement bottom board, and up construct and basement structure and remove each road support system, until pouring
Before negative one layer basement bottom board 12;
Step10, segmentation remove first of inner support, preceding campshed 1, Guan Liang I 3 and coupling beam I 5, and before and after removing between campshed stake
The soil body;By negative one layer basement bottom board 12 be segmented pour to apart from rear campshed 2 be 1m opening position and pour outer wall of basement extremely
Ground, wherein basement structure are used as vertical force transfer system using Cantilever Beams 15;By said process section construction until entirely
Lower room construction is completed.
When basement structure is used as vertical force transfer system using Cantilever Beams 15, the sectional dimension and spacing of Cantilever Beams 15 answer root
Calculate and determine according to the load of extension basement structure.
Above in conjunction with accompanying drawing to the present invention embodiment be explained in detail, but the present invention be not limited to it is above-mentioned
Embodiment, can also be before present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Put that various changes can be made.
Claims (5)
- A kind of 1. Retaining Structure with Double-row Piles that can make full use of basement space, it is characterised in that:By preceding campshed(1), rear campshed (2), Guan Liang I(3), Guan Liang II(4), coupling beam I(5), water-stop curtain stake(6), basement(7), engineering pile(8), plain concrete (9), compaction in layers bankets(10), negative one layer basement bottom board(12), minus two layers of basement bottom board(13), coupling beam II(14)Group Into;Wherein preceding campshed(1)Stake top is provided with Guan Liang I(3), rear campshed(2)Stake top be provided with Guan Liang II(4), preceding campshed(1)And heel row Stake(2)Stake top passes through coupling beam I(5)Connection, rear campshed(2)After stake water-stop curtain stake is provided with the soil body(6), by setting after the leveling of place All engineering piles of meter construction(8), preceding campshed after a resection(1)Stake top pours one of coupling beam II(14), coupling beam II(14)With bearing One layer of basement bottom board(12)One-piece casting, in preceding campshed(1)The charge stratifying compacted fill between minus two layers of outer wall of basement (10), in preceding campshed(1)With minus two layers of basement bottom board(13)Between fill plain concrete(9);The preceding campshed(1)With rear campshed(2)Pile body horizontal layout is rectangular or " fourth " font array arrangement and is spaced Arrangement.
- 2. the construction method of the Retaining Structure with Double-row Piles according to claim 1 that can make full use of basement space, it is special Sign is:The construction procedure is as follows:Step1, the requirement according to Geological condition and deep pit monitor Stability Numerical Analysis, determine the stake of campshed is long, stake footpath and Stake spacing, it is determined that spacing, sectional dimension and the arrangement form of support;The cross-sectional strength and arrangement of reinforcement of campshed and support system are carried out Design;Determine the sectional dimension and quantity of reinforcement of Guan Liang;Determine excavation process;Step2, according to the pile body stiffness of Single row pillars by etc. the replacement of rigidity substitution principle into Retaining Structure with Double-row Piles, in double-row pile after The position of campshed determines according to the scope of excavation of foundation pit and the position of property line, and the array pitch of campshed is 3 ~ 5 times before and after guarantee Campshed diameter;Step3, according to construction requirement, after levelling of the land, all engineering piles of having been constructed on setting absolute altitude(8);Step4, construction water-stop curtain stake(6), pile-type is by design and sealing requirement determination;Campshed after Step5, construction(2), pile-type is by design determination;Campshed before Step6, construction(1), pile-type is by design determination;Step7, construction Guan Liang I(3), Guan Liang II(4), coupling beam I(5), whole support system is formed an entirety, each several part association Same stress deformation;Step8, excavated by operating mode layer and section and design each layer support system, Foundation Pit bottom is arrived until excavating;Step9, pour basement bottom board, and up construct and basement structure and remove each road support system, until pouring negative one Layer basement bottom board(12)Before;First of inner support, preceding campshed are removed in Step10, segmentation(1), Guan Liang I(3)And coupling beam I(5), and campshed stake before and after removing Between the soil body, construct coupling beam II(14);By negative one layer basement bottom board(12)Segmentation is poured to apart from rear campshed(2)For 1m position Place simultaneously pours outer wall of basement to ground, and wherein basement structure can use preceding campshed as force transfer system also using in coupling beam Ⅱ(14)Upper construction Cantilever Beams(15)As vertical force transfer system;By said process section construction until whole basement construction is complete Into.
- 3. the construction method of the Retaining Structure with Double-row Piles according to claim 2 that can make full use of basement space, it is special Sign is:When basement structure uses preceding campshed as force transfer system, the basement of extension and original basement connecting portion palpus Provided with one of subsiding crack(11).
- 4. the construction method of the Retaining Structure with Double-row Piles according to claim 2 that can make full use of basement space, it is special Sign is:The preceding campshed(1)Length may be designed as being more than or equal to rear campshed(2)Length.
- 5. the construction method of the Retaining Structure with Double-row Piles according to claim 2 that can make full use of basement space, it is special Sign is:Basement structure uses Cantilever Beams(15)During as vertical force transfer system, Cantilever Beams(15)Sectional dimension and spacing It should be calculated and determined according to the load of extension basement structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510253634.2A CN105040706B (en) | 2015-05-19 | 2015-05-19 | A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510253634.2A CN105040706B (en) | 2015-05-19 | 2015-05-19 | A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105040706A CN105040706A (en) | 2015-11-11 |
CN105040706B true CN105040706B (en) | 2017-11-10 |
Family
ID=54447653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510253634.2A Expired - Fee Related CN105040706B (en) | 2015-05-19 | 2015-05-19 | A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105040706B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105735325B (en) * | 2016-04-20 | 2018-01-23 | 山东大学 | A kind of intensive permanent support assembled basement structure system and construction method |
CN105804093B (en) * | 2016-05-05 | 2017-10-03 | 宁波建工工程集团有限公司 | Prefabricated double-row pile foundation pit supporting construction integrated with water-stop curtain and its construction method |
CN106120804B (en) * | 2016-06-26 | 2018-12-11 | 中建三局集团有限公司 | A kind of super-giant foundation pit double-row pile second level support system and its construction method |
CN106400812A (en) * | 2016-10-27 | 2017-02-15 | 中铁第四勘察设计院集团有限公司 | Foundation pit partition support structure and support method based on foundation pit partition support structure |
CN108385693B (en) * | 2018-02-27 | 2023-10-03 | 中科院广州化灌工程有限公司 | Equal-generation anchor bolt supporting method and system for staged basement supporting |
CN108824483A (en) * | 2018-07-23 | 2018-11-16 | 中国建筑第八工程局有限公司 | The external wall structure and its construction method of multi-storey basement |
CN109914394A (en) * | 2019-03-30 | 2019-06-21 | 西安科技大学 | A kind of zigzag Row Piles Supporting Structure |
CN110309557B (en) * | 2019-06-13 | 2021-04-27 | 中建一局集团第二建筑有限公司 | Construction method for hoisting at side of deep foundation pit of double-row support pile system |
CN110777806B (en) * | 2019-11-12 | 2020-11-27 | 广东省工程勘察院 | Multi-connecting-rod plane frame permanent supporting structure and construction process thereof |
CN112962667B (en) * | 2021-02-08 | 2022-08-30 | 中国建筑第八工程局有限公司 | Outer wall structure of sinking yard and construction method thereof |
CN113136854A (en) * | 2021-04-21 | 2021-07-20 | 安徽省交通规划设计研究总院股份有限公司 | Separated lock chamber system with double-row pile support and buttress side wall combined |
CN113605397B (en) * | 2021-07-14 | 2022-12-02 | 广州市设计院集团有限公司 | Trapezoidal staggered foundation pit supporting mechanism and foundation pit supporting method |
CN113605398B (en) * | 2021-07-14 | 2023-04-07 | 广州市设计院集团有限公司 | Foundation pit supporting mechanism |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204982906U (en) * | 2015-05-19 | 2016-01-20 | 昆明理工大学 | Double row pile supporting construction in ability make full use of basement space |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0663237B2 (en) * | 1989-04-18 | 1994-08-22 | 清水建設株式会社 | Construction method of basement |
CN102587416B (en) * | 2012-04-01 | 2014-04-16 | 广东中城建设集团有限公司 | Construction method of basement attached lane structure |
CN103074898B (en) * | 2013-01-18 | 2015-09-23 | 江苏鸿基科技有限公司 | Multi-row pile foundation pit support structure and construction method thereof |
CN103306301A (en) * | 2013-07-04 | 2013-09-18 | 天津市天友建筑设计股份有限公司 | Pile foundation structure and construction method thereof based on fender post and basement baseplate |
CN203768912U (en) * | 2014-03-13 | 2014-08-13 | 南京工业大学 | Double-row prestressing high-strength concrete rectangular pile foundation pit supporting structure |
-
2015
- 2015-05-19 CN CN201510253634.2A patent/CN105040706B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204982906U (en) * | 2015-05-19 | 2016-01-20 | 昆明理工大学 | Double row pile supporting construction in ability make full use of basement space |
Also Published As
Publication number | Publication date |
---|---|
CN105040706A (en) | 2015-11-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105040706B (en) | A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space | |
CN206655248U (en) | A kind of assembly concrete empty van soil-baffling structure | |
CN105756091B (en) | A kind of Metro station excavation construction method of control adjacent building composition deformation | |
CN105804119A (en) | Underground corridor structure with dual-purpose pile foundations and construction method of underground corridor structure | |
CN102691302B (en) | Concrete structure for supporting deep foundation pit | |
CN107142856A (en) | Bridge pier and the bridge of lifting reconstruction that abutment remodeling method, abutment, abutment are transformed | |
CN202559377U (en) | Mutually-embedded ecological building block | |
CN104674863A (en) | Method for reinforcing existing municipal pipe gallery within deep foundation pit excavation range | |
CN110158630A (en) | A kind of deep covering layer area large-span arch bridge annular ground continuous wall base | |
CN104863177A (en) | Composite retaining wall structure and construction method thereof | |
CN107237343A (en) | A kind of many wall type nodular diaphragm walls as bridge foundation for soft soil foundation | |
CN106884431A (en) | One kind building pit foundation construction safety supporting construction | |
CN204435407U (en) | A kind of batter post group anchor formula rock foundation | |
CN206844132U (en) | Superelevation light supporting structure | |
CN207582492U (en) | A kind of step landscape retaining wall | |
CN102312443A (en) | Bearing platform structure with variable cross section and variable rigidity for special-shaped compound cross-section pile and construction method thereof | |
CN203834512U (en) | Combined type gravity retaining wall | |
CN204982906U (en) | Double row pile supporting construction in ability make full use of basement space | |
CN205669211U (en) | A kind of prefabricated Gravity Retaining Wall | |
CN205024719U (en) | Pile foundation and integrated reverse construction vertical braces system of underground continuous wall | |
CN218346137U (en) | Foundation with strong bearing capacity | |
CN207062955U (en) | The foundation pit supporting construction that a kind of thick long stake is combined with thin stub | |
CN201801880U (en) | Variable cross-section variable-stiffness bearing platform structure of special-shaped combined cross-section pile | |
CN205502070U (en) | A dual -purpose underground gallery structure | |
CN210151776U (en) | Structure of balance weight type retaining wall |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 |