CN102493475A - Lattice pile foundation and construction method thereof - Google Patents
Lattice pile foundation and construction method thereof Download PDFInfo
- Publication number
- CN102493475A CN102493475A CN2011104025907A CN201110402590A CN102493475A CN 102493475 A CN102493475 A CN 102493475A CN 2011104025907 A CN2011104025907 A CN 2011104025907A CN 201110402590 A CN201110402590 A CN 201110402590A CN 102493475 A CN102493475 A CN 102493475A
- Authority
- CN
- China
- Prior art keywords
- foundation
- pile
- lattice
- segmentation
- diaphragm wall
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 35
- 230000011218 segmentation Effects 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 210000005056 cell body Anatomy 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 claims description 3
- 238000004080 punching Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a pile structure foundation and construction thereof, and in particular relates to a lattice pile foundation which is rapid in construction speed, short in construction period, low in cost and excellent in whole mechanical property and a construction method thereof. The lattice pile foundation comprises underground foundation piles (2) and an overground foundation (1) connected at the top ends of the foundation piles, wherein the foundation piles (2) are mutually connected through underground diaphragm walls (3) to form an underground foundation of an integral structure; and the underground foundation is formed by taking the foundation piles (2) as nodes, the underground diaphragm walls (3) which are continuously arranged from the earth surface downward as connection bodes, and lattice structure bodies which are formed by the foundation piles (2) and the underground diaphragm walls (3) and have a reticular cross section as basic units and jointly connecting and expanding. The construction method of the lattice pile foundation comprises the following six steps: a, carrying out construction paying-off and positioning; b, punching foundation pile holes; c, slotting in segments; d, installing reinforcement cages; e, pouring in segments; and f, forming a lattice pile foundation.
Description
Technical field
The present invention relates to a kind of pilework basis and reach construction, be specially a kind of lattice pile foundation and job practices thereof it.
Background technology
In the engineering field, the basis is in order to guarantee to build and the safety of bridge foundation, to avoid producing the safety and stability that foundation deformation jeopardizes superstructure.The basis of adopting usually on the engineering is that concrete enlarges basis and pile foundation; Pile foundation comprises such as deep layer stirring concrete earth pile, high-pressure rotary jet grouting pile, channel-section steel steel sheet pile and bored pile, steel pipe driven pile, concrete driven pile etc.; The composite construction that in building construction, usually also adopts raft foundation and box foundation and they and pile foundation is to satisfy the requirement of bearing capacity.But all there is following shortcoming in these bases:
(1) isolate between stake and the stake, can't be interconnected to form a complete whole in that underground formation is large-area, the differential settlement that therefore often produce building construction, builds a bridge etc. causes the superstructure cracking or the destruction of tilting.
(2) contact on the sidewall that only is based on stake of stake and surrounding rock body, thereby contact area is very little, thus the friction bearing capacity very little.
(3) separate between stake and the stake, make that the volume of each is bigger, speed of application is slow, and construction period is very long, and the material use amount is big, and cost is high.
(4) raft foundation and box foundation all need all excavate ground; Raft foundation to build thickness big, whole flexural strength is not enough; Will carry out backfill after the box foundation construction is accomplished, load is inhomogeneous; Both equal engineering quantitys are big, and the engineering time is long, and it is many to drop into material, expends the cost height.
Summary of the invention
The object of the present invention is to provide a kind of speed of application fast, short construction period, cost is low, the lattice pile foundation and the job practices thereof of whole good mechanical performance.
In order to solve the problems of the technologies described above, reach and realize said purpose, technical scheme of the present invention is following:
A kind of lattice pile foundation comprises placing underground foundation pile 2, is connected the basis, ground 1 on foundation pile top; It is characterized in that, interconnect through diaphragm wall 3 between the described foundation pile 2, form one and be integrally-built underground foundation; Underground foundation so that the continuous downwards diaphragm wall 3 that is provided with is a connector from the face of land, is that netted grating texture body is an elementary cell with foundation pile 2 with the cross section that diaphragm wall 3 forms by being node with foundation pile 2, and common connection expansion forms.
Further, described foundation pile 2 lower ends are provided with the expansion stake point 4 that cross-sectional area increases; The lower end of diaphragm wall 3 is provided with the expansion basis 5 that cross-sectional area increases, and the variable cross-section structure is adopted in the longitudinal section of diaphragm wall 3.
Further, described expansion stake point 4 with enlarge basis 5 and be positioned on the same horizontal plane, enlarge stake point 4 with enlarge basis 5 each other correspondences be connected as a whole.
Further, the described horizontal plane that enlarges basis 5 is higher than the horizontal plane that enlarges stake point 4, enlarges basis 5 and interconnects as a whole with corresponding foundation pile 2.
Further, basis, described ground 1 is cushion cap or raft foundation or box foundation or continuous grade beam.
Further, be provided with the segmentation arrangement of reinforcement device 6 that is used for section construction in the described diaphragm wall 3; Described segmentation arrangement of reinforcement device 6 comprises reinforcing bar 601 and steel pipe 602, and the external diameter of steel pipe 602 is not more than the thickness of diaphragm wall 3, runs through uniformly from top to bottom to be provided with some reinforcing bars 601 that diaphragm wall 3 is provided with that are parallel to, and concrete seven has been built in inside; Reinforcing bar 601 free ends of adjacent segmentation arrangement of reinforcement device 6 are interlaced, and built by concrete seven and to link together.
Further, the external diameter of described steel pipe 602 equals the thickness of diaphragm wall 3, and steel pipe 602 walls that are parallel to diaphragm wall 3 are provided with some through holes 603 that are used to flow out the part concrete seven.
A kind of job practices of lattice pile foundation is characterized in that, is accomplished by following steps:
A. the construction line-putting is located, and confirms the accurate position of each foundation pile 2 through construction lofting;
B. beat base pile hole, utilize existing pile hole construction instrument to accomplish the excavation of base pile hole;
C. the segmentation fluting utilizes grooving tool, is the center with the base pile hole described in the step b, to adjacent in length and breadth base pile hole direction segmentation fluting, and adopts the bracing or strutting arrangement segmentation to support;
D. settle cage of reinforcement, support in good cell body and its corresponding base pile hole segmentation with segmentation fluting and segmentation and settle cage of reinforcement in that step c is described;
E. segmentation is built; Concreting 7 forms foundation pile 2 and corresponding diaphragm wall 3 in base pile hole that places cage of reinforcement described in the step and cell body; And with cage of reinforcement free end expose the concrete seven suitable length of building, be used for connecing stubble with adjacent cage of reinforcement;
F. form the lattice pile foundation, to each base pile hole successively all completing steps c form one after the program of e and be integrally-built underground foundation, be provided with basicly 1 on the ground on the top of underground foundation, form the lattice pile foundation at last.
Further, the grooving tool described in the step c segmentation fluting is pneumatic slotting drill bit, and described bracing or strutting arrangement is support air bag or segmentation arrangement of reinforcement device 6.
Further, described step b can accomplish to same base pile hole to e in order successively, can carry out simultaneously to different base pile holes.
Of the present inventionly aim to provide a kind of lattice pile foundation, between underground foundation pile 2,, form dark narrow foundation ditch through pneumatic slotting drill bit fluting; The foundation ditch lower end is held to expand and is formed enlarged footing, builds with the reinforcing bar skeleton concrete seven in the foundation ditch, forms the diaphragm wall 3 that connects foundation pile 2; Several meters to tens meters of the degree of depth of lattice pile foundation make original pile foundation be connected with each other through diaphragm wall, and forming one is the integral body that the elementary cell expansion forms with netted grating texture body; Be similar to present box-structure, but difference is: foundation pile 2 of the present invention and diaphragm wall 3 and surrounding rock body 8 actings in conjunction, need not whole excavate; Rock mass 8 in the backfill then, but direct control, lattice pile foundation keeps original state; Good integrity, and become one with the lattice pile foundation, make the good rigidity of lattice pile foundation; Flexing resistance is strong, and load is big; And also owing to need not whole excavate, so the degree of depth is far longer than present box foundation, and therefore basic stability, safety outclass box foundation, have also reduced cost greatly.
A kind of lattice pile foundation of the present invention and job practices thereof, its beneficial effect is:
1) in the original pile foundation in order to reach the mechanics requirement of design, the diameter of stake is all bigger, and with increases such as depth of buildings; But become a stressed lattice integral body owing to adopt diaphragm wall 3 therewith to interconnect between the foundation pile 2 of the present invention; Therefore the diameter of foundation pile 2 can reduce greatly; And the construction sectional is accomplished, thereby has saved large quantities of materials, owing to adopt fluting, the arrangement of reinforcement equipment of specialty; Speed of application is fast, has shortened the duration that concrete seven is built greatly.
2) surface area of the lattice pile foundation described in the present invention is expanded to cover the peripheral area of diaphragm wall 3 from the peripheral area of single pile, and much larger than the surface area of existing pile foundation, thereby stake side frictional resistance is big, and the friction bearing capacity is big; The stake point of each foundation pile 2 can adopt and enlarge stake point 4 simultaneously, thereby the bearing capacity of stake point can't be accomplished the stake type that end expands much larger than other; Therefore, the bearing capacity of lattice pile foundation of the present invention improves greatly, under identical requirement, has significantly reduced the operation of construction, has accelerated construction speed.
3) the lattice pile foundation described in the present invention; Because underground foundation is an overall structure of not excavating backfill; Be engaged in the basis, ground 1 that the underground foundation top forms again, so its suffered flexural stress and shearing force can not focus on independently on the foundation pile 2, but share by integral body; The ability of bending resistance shearing resistance is far longer than other foundation structure; Thoroughly eliminate the disease that the conventional infrastructure differential settlement causes, increased the shock resistance of building simultaneously greatly, be specially adapted to the basis of high level or super high rise building.
Description of drawings
Fig. 1 is the vertical view of underground foundation structure described in the instance of the present invention
Fig. 2 is the elevation of underground foundation structure described in the instance of the present invention
Fig. 3 is the cross-sectional view of segmentation arrangement of reinforcement device among the present invention
Fig. 4 is the longitudinal section of segmentation arrangement of reinforcement device among the present invention
Among the figure: basis, ground 1, foundation pile 2, diaphragm wall 3, expansion stake point 4, expansion basis 5, segmentation arrangement of reinforcement device 6, concrete seven, rock mass 8, reinforcing bar 601, steel pipe 602, through hole 603
The specific embodiment
Below in conjunction with accompanying drawing, through embodiment invention is done to further describe.
A kind of lattice pile foundation of the present invention, as shown in Figure 2, it comprises basis, ground 1 and the underground foundation of being made up of foundation pile 2, diaphragm wall 3; The basis can be cushion cap or raft foundation or box foundation or continuous grade beam on the ground; Underground foundation can also comprise expansion stake point 4, enlarge basis 5, segmentation arrangement of reinforcement device 6; Underground foundation so that the continuous downwards diaphragm wall 3 that is provided with is that connector connects foundation pile 2 from the face of land, is that netted grating texture body is an elementary cell with foundation pile 2 with the cross section that diaphragm wall 3 forms by being node with foundation pile 2, connects expansion jointly and forms; Referring to Fig. 1, in the underground foundation, can also be provided with expansion stake point in foundation pile 2 lower ends, can also be provided with the expansion basis in diaphragm wall 3 lower ends, the employing variable cross-section structure in diaphragm wall 3 longitudinal sections, inside can also be provided with segmentation arrangement of reinforcement device 6.
Segmentation arrangement of reinforcement device 6 wherein, referring to Fig. 3, Fig. 4, it comprises that external diameter is not more than the steel pipe 602 of the thickness of diaphragm wall 3, runs through steel pipe 602 from top to bottom and is parallel to the reinforcing bar 601 that diaphragm wall is provided with; Reinforcing bar 601 free ends of adjacent segmentation arrangement of reinforcement device 6 are interlaced, and built by concrete seven and to link together; When the external diameter of steel pipe 602 equaled the thickness of diaphragm wall 3, the both sides of contact rock mass 8 were provided with some through holes 603 that are used to flow out the part concrete seven on steel pipe 602 walls.
A kind of job practices of lattice pile foundation, its step is following:
A. the construction line-putting is located, and confirms the accurate position of each foundation pile 2 through construction lofting; B. beat base pile hole, utilize existing pile hole construction instrument to accomplish the excavation of base pile hole; C. the segmentation fluting utilizes grooving tool, is the center with the base pile hole described in the step b, to adjacent in length and breadth base pile hole direction segmentation fluting, and adopts the bracing or strutting arrangement segmentation to support; D. settle cage of reinforcement, support in good cell body and its corresponding base pile hole segmentation with segmentation fluting and segmentation and settle cage of reinforcement in that step c is described; E. segmentation is built; Concreting 7 forms foundation pile 2 and corresponding diaphragm wall 3 in base pile hole that places cage of reinforcement described in the step and cell body; And with cage of reinforcement free end expose the concrete seven suitable length of building, be used for connecing stubble with adjacent cage of reinforcement; F. form the lattice pile foundation, to each base pile hole successively all completing steps c form one after the program of e and be integrally-built underground foundation, be provided with basicly 1 on the ground on the top of underground foundation, form the lattice pile foundation at last.
Wherein the grooving tool described in the step c segmentation fluting is pneumatic slotting drill bit; Be specially " pneumatic slotting drill bit " by name (application number: the described pneumatic slotting drill bit of patent 201120248943.8); Bracing or strutting arrangement wherein is support air bag or segmentation arrangement of reinforcement device 6, is specially the segmentation arrangement of reinforcement device 6 described in a kind of lattice pile foundation; Adopting behind the segmentation arrangement of reinforcement device 6 can be easily with reinforcing bar 601 1 end toothing, and builds at the other end, referring to Fig. 3.
Wherein step b is merely able to accomplish successively in order to same base pile hole to e, can launch simultaneously to different base pile holes, and work is reasonably planned as a whole, and has improved programming and efficiency of construction greatly.
Claims (10)
1. a lattice pile foundation comprises placing underground foundation pile (2), is connected the basis, ground (1) on foundation pile top; It is characterized in that, interconnect through diaphragm wall (3) between the described foundation pile (2), form one and be integrally-built underground foundation; Underground foundation is connector by being node with foundation pile (2) with the diaphragm wall (3) that is provided with continuously downwards from the face of land, and the cross section that forms with foundation pile (2) and diaphragm wall (3) is that netted grating texture body is an elementary cell, connects expansion jointly and forms.
2. a kind of lattice pile foundation as claimed in claim 1 is characterized in that, described foundation pile (2) lower end is provided with the expansion stake point (4) that cross-sectional area increases; The lower end of diaphragm wall (3) is provided with the expansion basis (5) that cross-sectional area increases, and the variable cross-section structure is adopted in the longitudinal section of diaphragm wall (3).
3. a kind of lattice pile foundation as claimed in claim 2 is characterized in that, a described expansion point (4) and expansion basis (5) are positioned on the same horizontal plane, and an expansion point (4) is connected as a whole with the mutual correspondence in expansion basis (5).
4. a kind of lattice pile foundation as claimed in claim 2 is characterized in that, the described horizontal plane that enlarges basis (5) is higher than the horizontal plane of expansion stake point (4), and the foundation pile (2) that enlarges basis (5) and correspondence interconnects as a whole.
5. according to claim 1 or claim 2 a kind of lattice pile foundation is characterized in that, described basis, ground (1) be cushion cap or raft foundation or box foundation or continuous grade beam.
6. according to claim 1 or claim 2 a kind of lattice pile foundation is characterized in that, is provided with the segmentation arrangement of reinforcement device (6) that is used for section construction in the described diaphragm wall (3); Described segmentation arrangement of reinforcement device (6) comprises reinforcing bar (601) and steel pipe (602); The external diameter of steel pipe (602) is not more than the thickness of diaphragm wall (3); Run through being provided with some reinforcing bars (601) that diaphragm wall (3) is provided with that are parallel to from top to bottom uniformly, concrete (7) has been built in inside; Reinforcing bar (601) free end of adjacent segmentation arrangement of reinforcement device (6) is interlaced, and is built by concrete (7) and to link together.
7. a kind of lattice pile foundation as claimed in claim 6; It is characterized in that; The external diameter of described steel pipe (602) equals the thickness of diaphragm wall (3), and steel pipe (602) wall that is parallel to diaphragm wall (3) is provided with some through holes (603) that are used to flow out part concrete (7).
8. the job practices of a lattice pile foundation is characterized in that, is accomplished by following steps:
A. the construction line-putting is located, and confirms the accurate position of each foundation pile (2) through construction lofting;
B. beat base pile hole, utilize existing pile hole construction instrument to accomplish the excavation of base pile hole;
C. the segmentation fluting utilizes grooving tool, is the center with the base pile hole described in the step b, to adjacent in length and breadth base pile hole direction segmentation fluting, and adopts the bracing or strutting arrangement segmentation to support;
D. settle cage of reinforcement, support in good cell body and its corresponding base pile hole segmentation with segmentation fluting and segmentation and settle cage of reinforcement in that step c is described;
E. segmentation is built; Concreting (7) forms foundation pile (2) and corresponding diaphragm wall (3) in base pile hole that places cage of reinforcement described in the step and cell body; And with cage of reinforcement free end expose concrete (7) suitable length of building, be used for connecing stubble with adjacent cage of reinforcement;
F. form the lattice pile foundation, to each base pile hole successively all completing steps c form one after the program of e and be integrally-built underground foundation, basic (1) on the ground is set on the top of underground foundation, form the lattice pile foundation at last.
9. the job practices of a kind of lattice pile foundation as claimed in claim 8 is characterized in that, the grooving tool described in the step c segmentation fluting is pneumatic slotting drill bit, and described bracing or strutting arrangement is support air bag or segmentation arrangement of reinforcement device (6).
10. like the job practices of claim 8 or 9 described a kind of lattice pile foundations, it is characterized in that described step b can accomplish to same base pile hole to e in order successively, can carry out simultaneously to different base pile holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402590.7A CN102493475B (en) | 2011-12-06 | 2011-12-06 | Lattice pile foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402590.7A CN102493475B (en) | 2011-12-06 | 2011-12-06 | Lattice pile foundation and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102493475A true CN102493475A (en) | 2012-06-13 |
| CN102493475B CN102493475B (en) | 2015-07-01 |
Family
ID=46185331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110402590.7A Active CN102493475B (en) | 2011-12-06 | 2011-12-06 | Lattice pile foundation and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102493475B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669386A (en) * | 2013-12-30 | 2014-03-26 | 中铁二十四局集团有限公司 | Method for improving pile group bearing capacity by means of U-shaped row pile foundations |
| CN106087941A (en) * | 2016-06-30 | 2016-11-09 | 涓ュ钩 | The method for processing foundation of big thickness lattice soil cement bed course wall in weak soil |
| CN110158630A (en) * | 2019-05-31 | 2019-08-23 | 广西路桥工程集团有限公司 | A kind of deep covering layer area large-span arch bridge annular ground continuous wall base |
| CN110820583A (en) * | 2019-11-21 | 2020-02-21 | 中国建筑第八工程局有限公司 | Cast-in-place box girder support heightening foundation and construction method thereof |
| CN112030979A (en) * | 2020-08-11 | 2020-12-04 | 江苏纬信工程咨询有限公司 | Construction process for excavating after consolidation of miscellaneous filling |
| CN113718850A (en) * | 2021-09-30 | 2021-11-30 | 山东大学 | Underground garage system and method for improving use area by adopting permanent support |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129273A (en) * | 1995-11-01 | 1996-08-21 | 孔清华 | Technology for forming underground continuous wattled wall and apparatus thereof |
| JP2007308876A (en) * | 2006-05-16 | 2007-11-29 | Kanuka Design:Kk | Retaining wall and its construction method |
| CN101264792A (en) * | 2008-04-25 | 2008-09-17 | 中船第九设计研究院工程有限公司 | Dock block structure of cross-shaped underground continuous wall |
| CN201288327Y (en) * | 2008-10-14 | 2009-08-12 | 上海勘测设计研究院 | Toft foundation structure |
| CN101560766A (en) * | 2009-05-13 | 2009-10-21 | 江苏东大鸿基科技有限公司 | Grid-like underground continuous wall plate and production method thereof |
| CN101845822A (en) * | 2010-04-16 | 2010-09-29 | 上海市第七建筑有限公司 | Method for constructing gravity-type cellular underground continuous wall |
| CN201962688U (en) * | 2010-12-02 | 2011-09-07 | 中交四航局第一工程有限公司 | Diaphram wall wharf pile foundation structure |
| CN202337986U (en) * | 2011-12-06 | 2012-07-18 | 牛伟民 | Lattice-pile foundation |
-
2011
- 2011-12-06 CN CN201110402590.7A patent/CN102493475B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129273A (en) * | 1995-11-01 | 1996-08-21 | 孔清华 | Technology for forming underground continuous wattled wall and apparatus thereof |
| JP2007308876A (en) * | 2006-05-16 | 2007-11-29 | Kanuka Design:Kk | Retaining wall and its construction method |
| CN101264792A (en) * | 2008-04-25 | 2008-09-17 | 中船第九设计研究院工程有限公司 | Dock block structure of cross-shaped underground continuous wall |
| CN201288327Y (en) * | 2008-10-14 | 2009-08-12 | 上海勘测设计研究院 | Toft foundation structure |
| CN101560766A (en) * | 2009-05-13 | 2009-10-21 | 江苏东大鸿基科技有限公司 | Grid-like underground continuous wall plate and production method thereof |
| CN101845822A (en) * | 2010-04-16 | 2010-09-29 | 上海市第七建筑有限公司 | Method for constructing gravity-type cellular underground continuous wall |
| CN201962688U (en) * | 2010-12-02 | 2011-09-07 | 中交四航局第一工程有限公司 | Diaphram wall wharf pile foundation structure |
| CN202337986U (en) * | 2011-12-06 | 2012-07-18 | 牛伟民 | Lattice-pile foundation |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669386A (en) * | 2013-12-30 | 2014-03-26 | 中铁二十四局集团有限公司 | Method for improving pile group bearing capacity by means of U-shaped row pile foundations |
| CN103669386B (en) * | 2013-12-30 | 2016-08-17 | 中铁二十四局集团有限公司 | Utilize the method that pile group bearing capacity is improved on U-shaped campshed basis |
| CN106087941A (en) * | 2016-06-30 | 2016-11-09 | 涓ュ钩 | The method for processing foundation of big thickness lattice soil cement bed course wall in weak soil |
| CN106087941B (en) * | 2016-06-30 | 2019-01-01 | 严平 | The method for processing foundation of big thickness lattice cement soil padding wall in weak soil |
| CN110158630A (en) * | 2019-05-31 | 2019-08-23 | 广西路桥工程集团有限公司 | A kind of deep covering layer area large-span arch bridge annular ground continuous wall base |
| CN110820583A (en) * | 2019-11-21 | 2020-02-21 | 中国建筑第八工程局有限公司 | Cast-in-place box girder support heightening foundation and construction method thereof |
| CN110820583B (en) * | 2019-11-21 | 2021-06-11 | 中国建筑第八工程局有限公司 | Cast-in-place box girder support heightening foundation and construction method thereof |
| CN112030979A (en) * | 2020-08-11 | 2020-12-04 | 江苏纬信工程咨询有限公司 | Construction process for excavating after consolidation of miscellaneous filling |
| CN113718850A (en) * | 2021-09-30 | 2021-11-30 | 山东大学 | Underground garage system and method for improving use area by adopting permanent support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102493475B (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102493475B (en) | Lattice pile foundation and construction method thereof | |
| CN105840207B (en) | Construction method for comprehensive tunnel entering structure of large-span tunnel penetrating shallow-buried bias-pressure loose accumulation body | |
| CN102713079B (en) | Reinforced self-supported retaining wall structure making use of the arching effect and a construction method of excavations using the same | |
| CN106088650B (en) | A kind of method and building suitable for building with brick-concrete structure underground increasing layer | |
| KR100633796B1 (en) | Connecting structure of mid supporting beam for temporary soil sheathing work | |
| KR101205783B1 (en) | The complex execution method which dismantling work of existing underground structure and constructs of new building simultaneously | |
| KR100915099B1 (en) | Structure for supporting retaining wall of earth with arch material and method constructing the arch structure | |
| CN104652443A (en) | Construction method for temporary horizontal supports serving as permanent structural beams simultaneously of deep foundation pit | |
| CN102561391A (en) | Construction method of cellar for building completed | |
| KR102218604B1 (en) | Earth retaining construction method for using pile and inclined ground anchor | |
| CN210315186U (en) | Light arch bridge foundation structure | |
| CN104060610A (en) | Anchor-arm static-pressure pile device with self-sufficient pile pressing counter-force and constructing method of anchor-arm static-pressure pile device | |
| JP5259510B2 (en) | Retaining wall and its construction method | |
| KR101195235B1 (en) | Underground structure construction method using composite pile | |
| KR101187170B1 (en) | Application of under pinning method in remodeling | |
| CN202337986U (en) | Lattice-pile foundation | |
| CN211174126U (en) | Open cut tunnel structure | |
| CN111424675A (en) | Construction method of ultra-large pile spacing deep foundation pit supporting system | |
| CN213476893U (en) | Supporting structure for spanning large underground pipeline foundation pit | |
| CN202610808U (en) | Foundation pit supporting structure with combined actions of covering, anchoring and side blocking | |
| CN211816333U (en) | Circular parallelly connected friction pile | |
| CN211849468U (en) | Ultra-large pile spacing deep foundation pit supporting system under sand bed condition | |
| JP6869825B2 (en) | Pier foundation structure | |
| JP4491840B1 (en) | Protective body support structure | |
| CN112832252A (en) | Deep foundation pit supporting construction method with large height difference of two sides |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Niu Weimin Document name: Notification of Passing Examination on Formalities |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190430 Address after: 226200 Lingfeng Road 708, Qidong Economic Development Zone, Nantong City, Jiangsu Province Patentee after: JIANGSU MAILANG CONSTRUCTION TECHNOLOGY CO., LTD. Address before: 730000 No. 365 Democratic East Road, Chengguan District, Lanzhou City, Gansu Province Patentee before: Niu Weimin |