CN105625435A - Fast forming method for multi-section and multi-layer special-shaped equipment deep foundation pit of marine accumulation island - Google Patents
Fast forming method for multi-section and multi-layer special-shaped equipment deep foundation pit of marine accumulation island Download PDFInfo
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- CN105625435A CN105625435A CN201410595308.5A CN201410595308A CN105625435A CN 105625435 A CN105625435 A CN 105625435A CN 201410595308 A CN201410595308 A CN 201410595308A CN 105625435 A CN105625435 A CN 105625435A
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Abstract
Provided is a fast forming method for a multi-section and multi-layer special-shaped equipment deep foundation pit of a marine accumulation island. The method is characterized by comprising the step a of excavating the foundation pit, the step b of erecting a reverse formwork and the step c of pouring C20 concrete, i.e., the reverse formwork can be detached in 24 h, so that the formwork on one side of a foundation is completed, and the foundation pit is formed firmly. The fast forming method for the multi-section and multi-layer special-shaped equipment deep foundation pit of the marine accumulation island has the advantages that the problem that formwork erection of a multi-section and multi-layer special-shaped equipment foundation is difficult is solved; the reverse formwork is erected by injecting the concrete for filling, so that the formwork of the complex foundation is easy to erect and the reverse formwork is fast to erect; the concrete is cured fast after using the concrete for filling, so that the walls of the foundation pit are quickly sealed; it is ensured that the foundation pit is formed fast and the exposure time is short, and the construction efficiency is improved.
Description
Technical field
The present invention relates to a kind of construction method of deep foundation ditch installing equipment, specifically, be that one amasss area, island multi-section, multi-level special-shaped equipment deep basal pit quick molding method in sea.
Background technology
Zhanjiang East Sea Island geological stratification is long-pending island, sea, and in region, geological stratification is mud district, whaleback region (flour sand district), small part is clay and flour sand mixed zone, island has often the violent rain of strong gale attack, is highly detrimental to deep foundation pit construction. Because flour sand is loose, mobility feature, adopt mortar bank protection extremely fragile, mortar bank protection often because of when heavy rain is attacked flour sand flowing cause side slope and lost efficacy, always follow again the feature of high wind because of heavy rain, cover with Polypropylence Sheet and domatic be also quickly turned over. , because formwork is complicated, difficulty is big, the cycle is long, there is foundation ditch and collapse risk in many particularly with cross section, high and low layered many and crisscross complicated foundations (such as uncoiling, coiling machine, planisher basis etc.), and with the basis in hole in deeper of hole in hole.
The present inventor team discloses a kind of underground deep foundation concrete reverse construction method at Chinese patent CN102817372A on the 12nd in December in 2012, be directed to foundation ditch narrow cannot formwork time by concrete foundation under reverse method construction ground. The underground deep foundation concrete reverse construction method of this invention has in the middle of adjacent construction of structures and increase builds new deep foundation, can guarantee that the advantage that contiguous construction of structures is not subjected to displacement and destroys during excavation construction. The present inventor team innovates on this basis further, to adapt to multi-section, multi-level complicated foundation quick template supporting needs, consolidates foundation ditch and reduces foundation ditch open-assembly time.
Summary of the invention
The purpose of the present invention; it is in that to propose a kind of to solve cross section many special-shaped equipment Foundations formwork difficulty difficult problems many, high and low layered, makes complicated foundation formwork become simple with Zhi Fanmo Concrete Filled and be easy to long-pending island, sea multi-section, multi-level special-shaped equipment deep basal pit quick molding method.
Another object of the present invention; be in that to propose that a kind of Zhi Fanmo is quick, fast solidification can close rapidly foundation pit walls after Concrete Filled; guarantee that foundation ditch molding is fast, open-assembly time is short, improve long-pending island, the sea multi-section of efficiency of construction, multi-level special-shaped equipment deep basal pit quick molding method.
Long-pending island, a kind of sea multi-section, multi-level special-shaped equipment deep basal pit quick molding method, it is characterised in that comprise the following steps:
A, excavation of foundation pit
First by top, basis outline position unwrapping wire excavation, excavation point 2��3 grades puts slope, stop excavation when machinery digs to during close to special-shaped basis end absolute altitude, again measure, the sideline of sole plate, each cross section of dell is accurately released, namely described sideline is the datum line of an antitemplate, then by different high and low layered, manually continue to cut the earth in measurement limit, limit, after digging absolute altitude, expanding outward from sideline on plan-position and dig to 500mm width, described width is set to reverse concrete thickness;
B, an antitemplate
Sideline in step a installs template, makes width 500mm between template and the soil body, fix with steel pipe, flitch and the monolateral drawknot of chevron card inside basis, and use brace bracing reinforcement; Continuing to use 100mm hassock block under template padded, make reverse concrete connect with bed course, one-time-concreting completes;
C, cast C20 concrete, 24 hours just collapsible dies, the formwork of side, basis completes, and foundation ditch molding consolidates.
Long-pending island, the sea of present invention multi-section, multi-level special-shaped equipment deep basal pit quick molding method can also be further achieved by the following technical measures.
Aforesaid method, in wherein said step a, machinery shoveling is manually continued be aided with when cutting the earth in measurement limit, limit, but need to pay close attention to and can not backbreak.
After adopting technique scheme, long-pending island, the sea of present invention multi-section, multi-level special-shaped equipment deep basal pit quick molding method have the advantage that
1, solve the problem that cross section many special-shaped equipment Foundations formworks many, high and low layered are difficult, Zhi Fanmo Concrete Filled method, make complicated foundation formwork become simple easy;
2, Zhi Fanmo is quick, also quickly solidifies, can close rapidly foundation pit walls, it is ensured that foundation ditch molding is fast, open-assembly time is short after Concrete Filled, improves efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the template erection structural representation of an antitemplate of the embodiment of the present invention.
In figure: 1 foundation ditch, 2 steel pipes, 3 flitches, 4 templates, 5 reverse concrete, 6 soil bodys, 7 bed courses.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
Long-pending island, the sea of present invention multi-section, multi-level special-shaped equipment deep basal pit quick molding method, it is characterised in that comprise the following steps:
A, excavation of foundation pit
First by top, basis outline position unwrapping wire excavation; this type of basis is big deep again; excavation must divide 2��3 grades to put slope; excavation is stopped to during close to special-shaped basis end absolute altitude when machinery digs; again measure; the sideline in each to sole plate, dell etc. cross section is accurately released; namely this sideline is the datum line of an antitemplate; then by different high and low layered; manually continue to cut the earth and (can be aided with machinery shoveling in measurement limit, limit; but need to pay close attention to and can not backbreak), after digging absolute altitude, plan-position expands outward from sideline and digs to 500mm width (this is the concrete thickness of reverse).
B, an antitemplate
Template erection structural representation referring now to the antitemplate that Fig. 1, Fig. 1 are the embodiment of the present invention. The sideline of previous step installs template, makes width about 500mm between template and the soil body, fix with steel pipe, flitch and the monolateral drawknot of chevron card inside basis, and use brace bracing reinforcement; Continuing to use 100mm hassock block under template padded, make reverse concrete connect with bed course, one-time-concreting completes, and speed is faster.
C, cast C20 concrete, 24 hours just collapsible die, the formwork of side, basis completes, and foundation ditch molding consolidates.
The present invention has substantive distinguishing features and significant technological progress, and the innovative point of long-pending island, the sea of present invention multi-section, at many levels special-shaped equipment deep basal pit quick molding method is in three below:
1 takes Zhi Fanmo different from the narrow foundation ditch in CN102817372A patent without work surface, operating mode of the present invention has the work surface of arbitrary size, for no other reason than that cannot quickly shape after making excavation of foundation pit in crisscross basic cross section, the factors such as especially loose silty sand ground and rain drop erosion cause instability of foundation pit, formwork difficulty, flower duration, and adopt the Zhi Fanmo fill concrete can fast shaping consolidating.
2, CN102817372A patent is for once beating the basis that concrete just can complete, the present invention is directed to large complicated deep foundation, need to dividing 2��3 times and could break concrete, Zhi Fanmo is only used in substructure such as hole in the base plate of deep foundation, hole, middle and upper part base structure still Zhi Zhengmo routinely.
3, CN102817372A patent uses C10 concrete, but need to the higher C20 concrete of intensity as consolidating foundation ditch.
Above example is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change. Therefore, all equivalent technical schemes also should belong to scope of the invention, should be limited by each claim.
Claims (2)
1. long-pending island, sea multi-section, at many levels special-shaped equipment deep basal pit quick molding method, it is characterised in that comprise the following steps:
A, excavation of foundation pit
First by top, basis outline position unwrapping wire excavation, excavation point 2��3 grades puts slope, stop excavation when machinery digs to during close to special-shaped basis end absolute altitude, again measure, the sideline of sole plate, each cross section of dell is accurately released, namely described sideline is the datum line of an antitemplate, then by different high and low layered, manually continue to cut the earth in measurement limit, limit, after digging absolute altitude, expanding outward from sideline on plan-position and dig to 500mm width, described width is set to reverse concrete thickness;
B, an antitemplate
Sideline in step a installs template, makes width 500mm between template and the soil body, fix with steel pipe, flitch and the monolateral drawknot of chevron card inside basis, and use brace bracing reinforcement; Continuing to use 100mm hassock block under template padded, make reverse concrete connect with bed course, one-time-concreting completes;
C, cast C20 concrete, 24 hours just collapsible dies, the formwork of side, basis completes, and foundation ditch molding consolidates.
2. long-pending island, sea as claimed in claim 1 multi-section, at many levels special-shaped equipment deep basal pit quick molding method, it is characterised in that in described step a, machinery shoveling is manually continued be aided with when cutting the earth in measurement limit, limit, but need to pay close attention to and can not backbreak.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410595308.5A CN105625435B (en) | 2014-10-30 | 2014-10-30 | Sea product island multi-section, multi-level special-shaped equipment deep basal pit quick molding method |
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| CN201410595308.5A CN105625435B (en) | 2014-10-30 | 2014-10-30 | Sea product island multi-section, multi-level special-shaped equipment deep basal pit quick molding method |
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| CN105625435A true CN105625435A (en) | 2016-06-01 |
| CN105625435B CN105625435B (en) | 2018-02-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518703A (en) * | 2019-01-15 | 2019-03-26 | 内蒙古工业大学 | A kind of administering method of the cementing treatment fluid of microbial mineralization and chiltern side slope |
| CN109576193A (en) * | 2019-01-15 | 2019-04-05 | 内蒙古工业大学 | A kind of microorganism remediation liquid and its application method in chiltern foundation pit slope protection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160557A (en) * | 1998-11-27 | 2000-06-13 | Taisei Corp | Landslide protection construction method |
| CN101328713A (en) * | 2008-07-18 | 2008-12-24 | 华丰建设股份有限公司 | Construction method of circular deep foundation pit support |
| CN102031781A (en) * | 2009-09-24 | 2011-04-27 | 上海市第一建筑有限公司 | Foundation pit reinforcing technology from shallow position to deep position for group pit construction |
| CN102817372A (en) * | 2011-06-09 | 2012-12-12 | 五冶集团上海有限公司 | Construction method of underground deep foundation concrete by reverse formworks |
| CN103195067A (en) * | 2013-03-29 | 2013-07-10 | 中国十七冶集团有限公司 | Deep foundation pit muddy-silty clay cushion layer construction method |
-
2014
- 2014-10-30 CN CN201410595308.5A patent/CN105625435B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160557A (en) * | 1998-11-27 | 2000-06-13 | Taisei Corp | Landslide protection construction method |
| CN101328713A (en) * | 2008-07-18 | 2008-12-24 | 华丰建设股份有限公司 | Construction method of circular deep foundation pit support |
| CN102031781A (en) * | 2009-09-24 | 2011-04-27 | 上海市第一建筑有限公司 | Foundation pit reinforcing technology from shallow position to deep position for group pit construction |
| CN102817372A (en) * | 2011-06-09 | 2012-12-12 | 五冶集团上海有限公司 | Construction method of underground deep foundation concrete by reverse formworks |
| CN103195067A (en) * | 2013-03-29 | 2013-07-10 | 中国十七冶集团有限公司 | Deep foundation pit muddy-silty clay cushion layer construction method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518703A (en) * | 2019-01-15 | 2019-03-26 | 内蒙古工业大学 | A kind of administering method of the cementing treatment fluid of microbial mineralization and chiltern side slope |
| CN109576193A (en) * | 2019-01-15 | 2019-04-05 | 内蒙古工业大学 | A kind of microorganism remediation liquid and its application method in chiltern foundation pit slope protection |
| CN109576193B (en) * | 2019-01-15 | 2021-06-18 | 内蒙古工业大学 | Microbial remediation liquid and application method thereof in protection of sandy foundation pit slope |
| CN109518703B (en) * | 2019-01-15 | 2021-07-02 | 内蒙古工业大学 | Microbial mineralization and cementation treatment fluid and treatment method of sandy slope |
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| CN105625435B (en) | 2018-02-16 |
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