CN105625435B - Sea product island multi-section, multi-level special-shaped equipment deep basal pit quick molding method - Google Patents
Sea product island multi-section, multi-level special-shaped equipment deep basal pit quick molding method Download PDFInfo
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- CN105625435B CN105625435B CN201410595308.5A CN201410595308A CN105625435B CN 105625435 B CN105625435 B CN 105625435B CN 201410595308 A CN201410595308 A CN 201410595308A CN 105625435 B CN105625435 B CN 105625435B
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Abstract
A kind of sea product island 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, the antitemplate of b branch and c cast C20 concrete, 24 hours can form removal, the formwork of basic side completes, and foundation ditch shaping is firm.Sea product island multi-section, the multi-level special-shaped equipment deep basal pit quick molding method of the present invention have solves the problems, such as section it is more, it is high and low layered more than special-shaped Equipment Foundations formwork difficulty; Zhi Fanmo Concrete Filled methods; complicated foundation formwork is set to become simple easy and Zhi Fanmo quick; also solidify quickly after Concrete Filled; foundation pit walls can be closed rapidly; ensure that foundation ditch shaping is fast, open-assembly time is short, the advantages of improving efficiency of construction.
Description
Technical field
The present invention relates to a kind of construction method of deep foundation ditch for installing equipment, specifically, be it is a kind of on sea product island
Area's multi-section, multi-level special-shaped equipment deep basal pit quick molding method.
Background technology
Zhanjiang East Sea Island geological stratification accumulates island for sea, and geological stratification is mud area, whaleback region in region（Flour sand area）、
Small part is clay and flour sand mixed zone, has the violent rain of strong gale to attack often on island, is highly detrimental to deep foundation pit construction.Because flour sand is dredged
Pine, mobility feature, it is extremely fragile using mortar bank protection, mortar bank protection often because when heavy rain is to attack flour sand flowing cause side slope failure,
The characteristics of always following high wind because of heavy rain again, also it is turned over quickly with plastic cloth covering is domatic.It is more, high and low layered particularly with section
More and crisscross complicated foundations（Such as uncoiling, coiling machine, planisher basis）, and carry what is cheated in deeper hole in hole
Basis, because formwork is complicated, difficulty is big, cycle length, foundation ditch be present and collapse risk.
The present inventor team disclosed a kind of underground depth base in Chinese patent CN102817372A on December 12nd, 2012
Plinth concrete reverse construction method, be directed to foundation ditch it is narrow can not formwork when with concrete foundation under reverse method construction ground.Should
The underground deep foundation concrete reverse construction method of invention, which has to increase among adjacent construction of structures, builds new deep foundation, excavates
The advantages of neighbouring construction of structures is not subjected to displacement and destroyed is can guarantee that during construction.The present inventor team further creates on this basis
Newly, to adapt to multi-section, multi-level complicated foundation quick template supporting needs, consolidate foundation ditch and reduce foundation ditch open-assembly time.
The content of the invention
The purpose of the present invention, it is to propose that a kind of solution section is more, high and low layered more special-shaped Equipment Foundations formwork is difficult
Topic, set become simple readily sea product island multi-section, multi-level abnormal shape of complicated foundation formwork with Concrete Filled with Zhi Fanmo
Standby deep basal pit quick molding method.
It is another object of the present invention to propose that a kind of Zhi Fanmo fast, after Concrete Filled can close rapidly by fast solidify
Foundation pit walls, it is ensured that foundation ditch shaping is fast, open-assembly time is short, improves the sea product island multi-section of efficiency of construction, multi-level special-shaped equipment
Deep basal pit quick molding method.
A kind of sea product island multi-section, multi-level special-shaped equipment deep basal pit quick molding method, it is characterised in that including with
Lower step：
A, excavation of foundation pit
First by basis top outline position unwrapping wire excavation, point 2~3 grades of slopes are excavated, when machinery is dug to close special-shaped basis
Stop excavating during the absolute altitude of bottom, measure again, the sideline of sole plate, each section of dell is accurately released, the sideline is branch
The datum line of antitemplate, then by different high and low layered, manually continue to cut the earth in measurement, after digging absolute altitude, in plane position
Putting from sideline to expand outward digs wide to 500mm, and the width is arranged to reverse concrete thickness；
B, branch antitemplate
Supporting module on sideline in step a, make width 500mm between template and the soil body, with steel pipe, wood on the inside of basis
Side and the unilateral drawknot of chevron card are fixed, and with brace bracing reinforcement；It is padded that 100mm hassock blocks are continued to use under template, make reverse coagulation
Soil is connected with bed course, and one-time-concreting is completed；
C, pour into a mould C20 concrete, 24 hours can form removal, the formwork of basic side completes, and foundation ditch shaping is firm.
Sea product island multi-section, the multi-level special-shaped equipment deep basal pit quick molding method of the present invention can also use following
Technical measures further realize.
Foregoing method, wherein in the step a, mechanical shoveling can be aided with when manually continuing and cut the earth in measurement, but need
Pay close attention to backbreak.
After adopting the above technical scheme, sea product island multi-section, the multi-level special-shaped equipment deep basal pit of the present invention are rapid-result soon
Type method has advantages below：
1st, solve the problems, such as that section is more, high and low layered more special-shaped Equipment Foundations formwork difficulty, Zhi Fanmo Concrete Filleds
Method, complicated foundation formwork is set to become simple easy；
2nd, Zhi Fanmo is quick, also solidifies quickly after Concrete Filled, can close foundation pit walls rapidly, it is ensured that foundation ditch shaping is fast,
Open-assembly time is short, improves efficiency of construction.
Brief description of the drawings
Fig. 1 is the template erection structural representation of the branch 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.
Embodiment
With reference to embodiments and its accompanying drawing illustrates further to the present invention.
Embodiment 1
Sea product island multi-section, the multi-level special-shaped equipment deep basal pit quick molding method of the present invention, it is characterised in that bag
Include following steps：
A, excavation of foundation pit
First excavated by basis top outline position unwrapping wire, such basis is big and deep, and excavation must divide 2~3 grades of slopes, work as machine
Tool stops excavating when digging to close to special-shaped basic bottom absolute altitude, measures again, and the sideline in each section such as sole plate, dell is accurate
Release, this sideline is the datum line of branch antitemplate, then by different high and low layered, manually continues to cut the earth in measurement（Can
It is aided with mechanical shoveling, but need to pays close attention to backbreak）, after digging absolute altitude, on plan-position from sideline outward expand digging to
The wide left and right of 500mm（This is the thickness of reverse concrete）.
B, branch antitemplate
Referring now to Fig. 1, Fig. 1 is the template erection structural representation of the branch antitemplate of the embodiment of the present invention.In previous step
Supporting module on rapid sideline, make width 500mm or so between template and the soil body, steel pipe, flitch and chevron card are used on the inside of basis
Unilateral drawknot is fixed, and with brace bracing reinforcement；It is padded that 100mm hassock blocks are continued to use under template, reverse concrete is connected with bed course
Logical, one-time-concreting is completed, and speed is faster.
C, pour into a mould C20 concrete, 24 hours or so can form removal, the formwork of basic side completes, and foundation ditch shaping is firm.
The present invention has substantive distinguishing features and a significant technological progress, sea product island multi-section of the invention, different at many levels
The innovative point of type equipment deep basal pit quick molding method is at following three aspects：
1st, take Zhi Fanmo different without working face from the narrow foundation ditch in CN102817372A patents, operating mode of the present invention, which has, appoints
The working face for size of anticipating, for no other reason than that crisscross basic section can not shape quickly after making excavation of foundation pit, it is especially loose
The factor such as silty sand ground and rain drop erosion causes instability of foundation pit, formwork difficulty, flower duration, and uses Zhi Fanmo fill concretes
With fast shaping and it can consolidate.
2nd, CN102817372A patents are directed to and once beat the basis that concrete can just be completed, and the present invention is directed to large complicated depth
Basis, 2~3 ability need to be divided to have broken concrete, Zhi Fanmo is only used in the substructure such as hole in the bottom plate of deep foundation, hole, on
Portion's foundation structure still routinely Zhi Zhengmo.
3rd, CN102817372A patents use C10 concrete, but need to be mixed as firm foundation ditch with the higher C20 of intensity
Solidifying soil.
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, it is all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (2)
1. a kind of sea product island multi-section, multi-level special-shaped equipment deep basal pit quick molding method, it is characterised in that including following
Step：
A, excavation of foundation pit
First by basis top outline position unwrapping wire excavation, point 2~3 grades of slopes are excavated, when machinery is dug to close special-shaped basic bottom mark
Stop excavating when high, measure, the sideline of sole plate, each section of dell is accurately released, the sideline is Zhi Fanmo again
The datum line of plate, then by different high and low layered, manually continue to cut the earth in measurement, after digging absolute altitude, on plan-position
From sideline outward expand dig it is wide to 500mm, the width is arranged to reverse concrete thickness；
B, branch antitemplate
Supporting module on sideline in step a, make width 500mm between template and the soil body, on the inside of basis with steel pipe, flitch and
The unilateral drawknot of chevron card is fixed, and with brace bracing reinforcement；It is padded that 100mm hassock blocks are continued to use under template, make reverse concrete with
Bed course is connected, and one-time-concreting is completed；
C, pour into a mould C20 concrete, 24 hours can form removal, the formwork of basic side completes, and foundation ditch shaping is firm；
Wherein：Multi-section, multi-level special-shaped equipment deep basal pit operating mode have the working face of arbitrary size, because crisscross basis
Section can not shape quickly after making excavation of foundation pit, especially loose silty sand ground and rain drop erosion factor cause instability of foundation pit,
Formwork is difficult, flower duration, and uses Zhi Fanmo fill concretes fast shaping and consolidate：For large complicated deep foundation, 2 need to be divided
~3 ability have broken concrete, and Zhi Fanmo is only used in the bottom plate of deep foundation, hole and cheats substructure, and middle and upper part foundation structure is still
Routinely Zhi Zhengmo.
2. product island multi-section in sea as claimed in claim 1, multi-level special-shaped equipment deep basal pit quick molding method, its feature
It is, in the step a, mechanical shoveling can be aided with when manually continuing and cut the earth in measurement, but need to pay close attention to 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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| 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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| CN105625435A CN105625435A (en) | 2016-06-01 |
| CN105625435B true CN105625435B (en) | 2018-02-16 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160557A (en) * | 1998-11-27 | 2000-06-13 | Taisei Corp | Landslide protection construction method |
| CN100585094C (en) * | 2008-07-18 | 2010-01-27 | 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 |
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