CN105133631A - Construction method for reinforced type foundation - Google Patents
Construction method for reinforced type foundation Download PDFInfo
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- CN105133631A CN105133631A CN201510461763.0A CN201510461763A CN105133631A CN 105133631 A CN105133631 A CN 105133631A CN 201510461763 A CN201510461763 A CN 201510461763A CN 105133631 A CN105133631 A CN 105133631A
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Abstract
The invention relates to a construction method for a reinforced type foundation. Firstly, the construction position of a foundation pile structure is determined according to the size of a pile plate structure; a pile plate gap supporting foundation pile assembly and a pile plate gap supporting foundation pile assembly in the foundation pile structure are constructed according to the determined position, and it is guaranteed that the depth reaches an intense weathering rock formation or an intermediary weathering rock formation; and finally pile plates are supported on the pile plate gap supporting foundation pile assembly and the pile plate supporting foundation pile assembly. According to the construction method, the depth of the foundation structure is increased, the strength of the foundation structure is increased, and sedimentation of the foundation structure is avoided.
Description
Technical field
The present invention relates to a kind of construction method of reinforcement type ground.
Background technology
Existing pile foundation reinforcement ground pattern, be mainly mini pile and reinforce, pile body diameter is not more than 300mm, generally presses composite foundation treatment, foundation soil and stake shared upper load.To the geological conditions above covering soft layer, overlaying bedrock, under load action, still a certain amount of sedimentation can occur, the engineering tight and very high to ground deformation requirements for some durations, is difficult to meet the demands.
Summary of the invention
The invention provides a kind of construction method of reinforcement type ground, increase the degree of depth of foundation structure, strengthen the intensity of foundation structure, invariably based structures generation sedimentation.
In order to achieve the above object, the invention provides a kind of construction method of reinforcement type ground, comprise following steps:
Step S1, construction location according to the size determination foundation pile structure of pile slab structure;
According to the size at shrinkage joint between the stake plate needing between the size of pile slab structure king-pile plate and adjacent studs plate to reserve, determine that foundation pile structure king-pile plate gap supports the position of foundation pile assembly and stake plate support foundation pile assembly, guarantee that a plate gap supports a foundation pile assembly and to be positioned between a plate below shrinkage joint, guarantee that a plate supports a foundation pile assembly and is positioned at below a plate main body;
Step S2, according to the position determined, foundation pile assembly is supported to stake plate gap and constructs, guarantee that the degree of depth that a plate gap supports foundation pile assembly arrives strongly weathered sand-rock or a middle weathered rock formation;
Step S3, according to the position determined, foundation pile assembly is supported to stake plate and constructs, guarantee that the degree of depth that a plate supports foundation pile assembly arrives strongly weathered sand-rock or a middle weathered rock formation;
Step S4, stake plate is bearing in a plate gap and supports foundation pile assembly and stake plate supports on foundation pile assembly.
Described step S2 comprises following steps:
Step S2.1, some foundation piles to be driven underground according to the position determined, to make the bottom of foundation pile enter strongly weathered sand-rock or middle weathered rock formation;
Step S2.2, bent cap to be bearing on some foundation piles of being located along the same line.
Described step S3 comprises following steps:
Step S3.1, some foundation piles to be driven underground, to make the bottom of foundation pile enter strongly weathered sand-rock or middle weathered rock formation;
Step S3.2, pile cover is fixedly connected on the top of foundation pile.
In described step S4, stake plate body abutment is on pile cover, and the dark beam support in termination of the stake plate body end of adjacent studs plate is on bent cap.
Described stake plate adopts the equal thickness steel concrete plate not having Vierendeel girder and secondary beam.
The present invention increases the degree of depth of foundation structure, strengthens the intensity of foundation structure, invariably based structures generation sedimentation, to the geological conditions above covering soft layer, overlaying bedrock, has good applicability and economy.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention.
Fig. 2 is the top view of the foundation structure that the present invention obtains.
Fig. 3 be in Fig. 2 1-1 to sectional view.
Fig. 4 be in Fig. 2 A-A to sectional view.
Fig. 5 be in Fig. 2 B-B to sectional view.
Detailed description of the invention
Following according to Fig. 1 ~ Fig. 5, illustrate preferred embodiment of the present invention.
The invention provides a kind of construction method of reinforcement type ground, for building reinforcement type foundation structure.
As shown in Fig. 2 ~ Fig. 5, described reinforcement type foundation structure comprises foundation pile structure and is arranged on the structural pile slab structure of foundation pile.
Described pile slab structure comprises some plates 2, described stake plate 2 comprises a plate main body 202 and is arranged on a dark beam 201 in the termination of plate main body 202 end, between adjacent studs plate 2, interval is arranged, form shrinkage joint 3 between stake plate, described stake plate 2 adopts the equal thickness steel concrete plate not having Vierendeel girder and secondary beam.
Described foundation pile structure comprises a plate and supports foundation pile assembly and stake plate gap support foundation pile assembly.
Described stake plate supports foundation pile assembly and is positioned at below a plate main body 202, and described stake plate gap supports foundation pile assembly and to be positioned between a plate below shrinkage joint 3.
Described stake plate supports foundation pile assembly and comprises the pile cover 102 that some foundation piles 101 and some correspondences are arranged on foundation pile 101 top, described foundation pile 101 is socketed pile, foundation pile 101 bottom enters strongly weathered sand-rock or middle weathered rock formation, described pile cover 102 is rigidly connected with foundation pile 101, pile cover 102 as the supporting seat of stake plate 2, supporting pile plate main body 202 together with foundation pile 101.
Described stake plate gap supports foundation pile assembly and comprises and be arranged on bent cap 103 between plate below the dark beam in shrinkage joint 3 and termination 201 and some foundation piles 101 be arranged on below bent cap 103, described foundation pile 101 is socketed pile, foundation pile 101 bottom enters strongly weathered sand-rock or middle weathered rock formation, the dark beam 201 in termination of adjacent two blocks of stake plates 2 is shelved on bent cap 103 simultaneously, the dark beam 201 in termination of foundation pile 101 supporting pile plate main body 202 end together with bent cap 103.As shown in Figure 1, the construction method of described reinforcement type ground comprises following steps:
Step S1, construction location according to the size determination foundation pile structure of pile slab structure;
According to the size at shrinkage joint between the stake plate needing between the size of pile slab structure king-pile plate and adjacent studs plate to reserve, determine that foundation pile structure king-pile plate gap supports the position of foundation pile assembly and stake plate support foundation pile assembly, guarantee that a plate gap supports a foundation pile assembly and to be positioned between a plate below shrinkage joint, guarantee that a plate supports a foundation pile assembly and is positioned at below a plate main body;
Step S2, according to the position determined, foundation pile assembly is supported to stake plate gap and constructs;
Step S3, according to the position determined, foundation pile assembly is supported to stake plate and constructs;
Step S4, stake plate is bearing in a plate gap and supports foundation pile assembly and stake plate supports on foundation pile assembly.
Described step S2 comprises following steps:
Step S2.1, some foundation piles to be driven underground according to the position determined, to make the bottom of foundation pile enter strongly weathered sand-rock or middle weathered rock formation;
Step S2.2, bent cap to be bearing on some foundation piles of being located along the same line.
Described step S3 comprises following steps:
Step S3.1, some foundation piles to be driven underground, to make the bottom of foundation pile enter strongly weathered sand-rock or middle weathered rock formation;
Step S3.2, pile cover is fixedly connected on the top of foundation pile.
In described step S4, stake plate body abutment is on pile cover, and the dark beam support in termination of the stake plate body end of adjacent studs plate is on bent cap.
Bottom due to foundation pile enters strongly weathered sand-rock or middle weathered rock formation, the bottom displacement of foundation pile is negligible, do not consider that at the bottom of cushion cap, load shared by foundation soil, the settling amount that the subsidiary stress that the following foundation soil of bottom plane of foundation pile is caused by foundation pile produces is negligible, the final settlement of pile foundation only needs to consider Pile shaft conpression, therefore sedimentation is substantially reduced, the present invention adopts pile cover further, bent cap and stake plate are reinforced foundation pile, invariably based structures generation sedimentation, to on cover soft layer, the geological conditions of overlaying bedrock, there are good applicability and economy.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. a construction method for reinforcement type ground, is characterized in that, comprises following steps:
Step S1, construction location according to the size determination foundation pile structure of pile slab structure;
According to the size at shrinkage joint between the stake plate needing between the size of pile slab structure king-pile plate and adjacent studs plate to reserve, determine that foundation pile structure king-pile plate gap supports the position of foundation pile assembly and stake plate support foundation pile assembly, guarantee that a plate gap supports a foundation pile assembly and to be positioned between a plate below shrinkage joint, guarantee that a plate supports a foundation pile assembly and is positioned at below a plate main body;
Step S2, according to the position determined, foundation pile assembly is supported to stake plate gap and constructs, guarantee that the degree of depth that a plate gap supports foundation pile assembly arrives strongly weathered sand-rock or a middle weathered rock formation;
Step S3, according to the position determined, foundation pile assembly is supported to stake plate and constructs, guarantee that the degree of depth that a plate supports foundation pile assembly arrives strongly weathered sand-rock or a middle weathered rock formation;
Step S4, stake plate is bearing in a plate gap and supports foundation pile assembly and stake plate supports on foundation pile assembly.
2. the construction method of reinforcement type ground as claimed in claim 1, it is characterized in that, described step S2 comprises following steps:
Step S2.1, some foundation piles to be driven underground according to the position determined, to make the bottom of foundation pile enter strongly weathered sand-rock or middle weathered rock formation;
Step S2.2, bent cap to be bearing on some foundation piles of being located along the same line.
3. the construction method of reinforcement type ground as claimed in claim 1, it is characterized in that, described step S3 comprises following steps:
Step S3.1, some foundation piles to be driven underground, to make the bottom of foundation pile enter strongly weathered sand-rock or middle weathered rock formation;
Step S3.2, pile cover is fixedly connected on the top of foundation pile.
4. as the construction method of the reinforcement type ground in claim 1-3 as described in any one, it is characterized in that, in described step S4, stake plate body abutment is on pile cover, and the dark beam support in termination of the stake plate body end of adjacent studs plate is on bent cap.
5. as the construction method of the reinforcement type ground in claim 4 as described in any one, it is characterized in that, described stake plate adopts the equal thickness steel concrete plate not having Vierendeel girder and secondary beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461763.0A CN105133631A (en) | 2015-07-31 | 2015-07-31 | Construction method for reinforced type foundation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510461763.0A CN105133631A (en) | 2015-07-31 | 2015-07-31 | Construction method for reinforced type foundation |
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| CN105133631A true CN105133631A (en) | 2015-12-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63304833A (en) * | 1987-06-02 | 1988-12-13 | Shimizu Constr Co Ltd | Side flow-resistant piling work for pile-foundation building |
| CN101173495A (en) * | 2007-11-23 | 2008-05-07 | 中铁二院工程集团有限责任公司 | Thick collapsible loess subgrade groundwork structure |
| CN201390973Y (en) * | 2009-04-09 | 2010-01-27 | 华中电网有限公司 | Pile-plate foundation for self-supporting iron tower |
| CN201713742U (en) * | 2010-05-14 | 2011-01-19 | 中铁第一勘察设计院集团有限公司 | Buried type continuous pile-board structure |
| CN102493458A (en) * | 2011-11-24 | 2012-06-13 | 天津二十冶建设有限公司 | Construction method for closing end of deep foundation pit steel sheet pile in soft soil foundation pipe trench and power tunnel engineering |
| CN103850161A (en) * | 2012-12-03 | 2014-06-11 | 中铁第四勘察设计院集团有限公司 | Roadbed structure for spanning subway on deep and thick soft foundation |
-
2015
- 2015-07-31 CN CN201510461763.0A patent/CN105133631A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63304833A (en) * | 1987-06-02 | 1988-12-13 | Shimizu Constr Co Ltd | Side flow-resistant piling work for pile-foundation building |
| CN101173495A (en) * | 2007-11-23 | 2008-05-07 | 中铁二院工程集团有限责任公司 | Thick collapsible loess subgrade groundwork structure |
| CN201390973Y (en) * | 2009-04-09 | 2010-01-27 | 华中电网有限公司 | Pile-plate foundation for self-supporting iron tower |
| CN201713742U (en) * | 2010-05-14 | 2011-01-19 | 中铁第一勘察设计院集团有限公司 | Buried type continuous pile-board structure |
| CN102493458A (en) * | 2011-11-24 | 2012-06-13 | 天津二十冶建设有限公司 | Construction method for closing end of deep foundation pit steel sheet pile in soft soil foundation pipe trench and power tunnel engineering |
| CN103850161A (en) * | 2012-12-03 | 2014-06-11 | 中铁第四勘察设计院集团有限公司 | Roadbed structure for spanning subway on deep and thick soft foundation |
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Application publication date: 20151209 |