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CN208563344U - A kind of foundation pit rapid hardening slope protection well - Google Patents

A kind of foundation pit rapid hardening slope protection well Download PDF

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Publication number
CN208563344U
CN208563344U CN201820725728.4U CN201820725728U CN208563344U CN 208563344 U CN208563344 U CN 208563344U CN 201820725728 U CN201820725728 U CN 201820725728U CN 208563344 U CN208563344 U CN 208563344U
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China
Prior art keywords
rapid hardening
slope protection
wellblock
condensation
protection well
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CN201820725728.4U
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Chinese (zh)
Inventor
陈仕祥
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Advocating Creation Shanghai Consulting Management Firm
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Individual
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Priority to CN201820725728.4U priority Critical patent/CN208563344U/en
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Abstract

The utility model relates to a kind of foundation pit rapid hardening slope protection wells, including slope protection well and the steel reinforcement cage being set to inside slope protection well, the steel reinforcement cage includes several ring supports and several vertical support muscle, each vertical support top rib portion is provided with transverse strands, the transverse strands are hung oneself equipped with rapid hardening structural member, the rapid hardening structural member includes rapid hardening rope and several condensation units for being fixed on rapid hardening rope, each condensation unit includes condensation bag body, and the condensation bag body is internally provided with unhydrated cement granules kernel.Steel reinforcement cage can play a fixed effect, vertical support muscle, which can play, simultaneously improves vertical support power, condense the setting of bag body, one can be played and help solidifying effect, since the condensation of cement needs to generate kernel, so directly providing kernel by condensation bag body, the time of cement setting can be greatly shortened, improves condensation efficiency.

Description

A kind of foundation pit rapid hardening slope protection well
Technical field
The present invention relates to civic building foundation pit equipment, more specifically to a kind of foundation pit rapid hardening slope protection well.
Background technique
Pattern foundation pit supporting structure is the safety to guarantee Underground Construction and foundation pit surrounding environment, to foundation pit side-wall and peripheral ring Supporting and retaining system, reinforcing and the safeguard measure that border uses.(1) foundation pit supporting project is a temporary project, and the safety stock of design is opposite can With smaller, but it is related with provincialism.Its feature of different zones geological conditions is not also identical.Foundation pit supporting project is ground work again The subject that journey, Structural Engineering and construction technology cross one another is the system engineering of Various Complex factor reciprocal effect, is theoretical On wait development complex art subject.Since foundation pit supporting project cost is high, the quantity that goes into operation is more, is that each unit in charge of construction fights for Emphasis, and due to technology complexity, coverage is wide, and changing factor is more, and accident is frequent, is most challenging in architectural engineering Technical difficult point, while being also to reduce project cost, it is ensured that the emphasis of construction quality.The positive big depth of foundation pit supporting project, Large area direction is developed, and some length and widths are more than over one hundred rice, and depth is more than more than 20 rice.Project scale increasingly increases.Rock Soil nature matter is ever-changing, complexity, the inhomogeneities of geology mode of occurence and hydrogeologic condition, and it is resulting to often result in prospecting Data discrete is very big, it is difficult to represent the overall situation of soil layer, and accuracy is lower, design to foundation pit supporting project and apply Work increases difficulty.Excavation pit under the conditions of weak soil, phreatic high and other complex sites, it is easy to it is sliding to generate the soil body Shifting, instability of foundation pit, pile body displacement, bottom heave, the serious leak of retaining structure, stream soil are so that the diseases such as breakage, to neighboring buildings The safety of object, underground structure and pipeline causes very big threat.Engineering practice proves, to carry out foundation pit supporting project, it is necessary to wrap The overall process of entire excavation supporting is included, it includes the entire series such as prospecting, design, construction and monitoring, thus emphasizes to want essence The heart carries out the work of each link.With the propulsion of reconstruction of the old city town, the main high-rise, super high-rise building in each city is mostly concentrated on In big, densely populated, the congested in traffic narrow and small place of site coverage, the condition of foundation pit supporting project construction is very poor.It is neighbouring normal There are the permanent construction and public utility that must be protected, is unable to slope excavation, stable to foundation pit and Bit andits control requirement It is very tight.Foundation pit supporting project includes many links being closely connected such as earth-retaining, supporting, waterproof, precipitation, shoveling, therein a certain Link failure will will lead to the failure of entire engineering.The foundation pit construction in adjacent place, such as piling, precipitation, the every construction of shoveling Link can all generate and influence each other and restrict, and increase accident risk factor.It should include that support system selects in support engineering design Type, the bearing capacity of building enclosure, deformation calculate, inside and outside place soil body stability, precipitation require, cut the earth requirement, monitoring content etc., It should be noted that avoiding " operating condition " and calculating " the leakage item " being likely to occur between content, so as to cause foundation pit fault.In the construction process, When especially constructing in soft clay area, it should the method that reasonable arrangement is cut the earth well, and the cooperation of support and shoveling are conscientiously studied, The generation of foundation pit deformation and pattern foundation pit supporting structure accident will be reduced significantly.Foundation pit supporting project cost is higher, but is provisional Engineering is generally reluctant to put into more fund.But once there is accident, handle it is very difficult, caused by economic loss and society It influences often extremely serious.Foundation pit supporting project long construction period, whole concealed works of below ground from excavating to completing, often Many unfavorable conditions such as multiple rainfall, periphery preloading, vibration, construction wrong need to be undergone, the randomness of degree of safety is larger, accident Generation often have it is sudden.
And it is typically provided with the structure that pattern foundation pit supporting structure is realized by slope protection pile, and first of slope protection pile needs in foundation pit Bottom week is along several trench structures of excavation, and the excavation of trench structure needs the artificial progress of machine cooperation, after forming slope protection well, It needs that slope protection well is installed steel reinforcement cage and pours, and need to carry out standing waiting after pouring, and the general waiting time is longer, and one As the slope protection piles such as need to condense completely after, then make cap beam, so, undoubtedly considerably increase the construction time, cause larger The waiting of time.
Summary of the invention
In view of this, it is an object of the present invention to provide a kind of foundation pit rapid hardening slope protection wells.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of foundation pit rapid hardening slope protection well, including slope protection well And it is set to the steel reinforcement cage inside slope protection well, the steel reinforcement cage includes several ring supports and several vertical support muscle, often One vertical support top rib portion is provided with transverse strands, and the transverse strands are hung oneself equipped with rapid hardening structural member, the rapid hardening structural member Several condensation units for including rapid hardening rope and being fixed on rapid hardening rope, each condensation unit includes condensation bag body, The condensation bag body is internally provided with unhydrated cement granules kernel.
Further: the slope protection well from top to bottom includes the first wellblock, the second wellblock, third wellblock, and described first Wellblock and the second wellblock pass through the second annular table by first annular transition between second wellblock and the third wellblock Transition.
Further: the hole diameter of first wellblock gradually decreasees from top to bottom, the hole diameter of second wellblock by up to Under it is equal, the hole diameter of the third wellblock gradually decreasees from top to bottom.
Further: each condensation unit is fixed on the inner wall of the slope protection well by a traction rope, on the traction rope It is arranged with an obstruction pipe.
Further: the bottom of the rapid hardening rope is provided with clump weight.
The technology of the present invention effect major embodiment is in the following areas: being arranged in this way, steel reinforcement cage can play a fixation Effect, while vertical support muscle can play improve vertical support power, condense the setting of bag body, can play one help it is solidifying Effect, so directly providing kernel by condensation bag body, can greatly shorten cement since the condensation of cement needs to generate kernel The time of condensation improves condensation efficiency.
Detailed description of the invention
A kind of Fig. 1: foundation pit rapid hardening slope protection well design schematic diagram of the present invention.
Appended drawing reference: 100, slope protection pile;110, the first wellblock;111, first annular;120, the second wellblock;121, second Annular table;130, third wellblock;200, steel reinforcement cage;210, ring support;220, vertical support muscle;230, transverse strands;301, fast Solidifying rope;302, bag body is condensed;303, cement granules kernel;304, clump weight;310, traction rope;311, pipe is hindered.
Specific embodiment
Below in conjunction with attached drawing, a specific embodiment of the invention is described in further detail, so that technical solution of the present invention is more It should be readily appreciated that and grasp.
Shown in referring to Fig.1, a kind of foundation pit rapid hardening slope protection well, including slope protection well and the steel reinforcement cage being set to inside slope protection well 200, the steel reinforcement cage 200 includes several ring supports 210 and several vertical support muscle 220, each vertical support muscle 220 tops are provided with transverse strands 230, and the transverse strands 230 are hung oneself equipped with rapid hardening structural member, and the rapid hardening structural member includes speed Solidifying rope and several condensation units being fixed on rapid hardening rope, each condensation unit includes condensation bag body 302, described solidifying Knot bag body 302 is internally provided with unhydrated cement granules kernel 303.Due in general, cement setting after the completion of pouring 15 days are needed, and air cannot be excessively moist, and schedule delays significantly, and the water for condensing cement kernel and needing 3-4 days, and condense Mud kernel generally will not be in middle position, so the condensation unit for considerably increasing the time of condensation needs, and being added, passes through rope Body is fixed, and guarantees that each position is integrally condensed, according to known to experimental data, needs to be agglomerated to identical intensity, only Need can be completed within 7-8 days, relatively simple convenience.
The slope protection well from top to bottom includes the first wellblock 110, the second wellblock 120, third wellblock 130, and described first Wellblock 110 and the second wellblock 120 by first annular 111 transition, second wellblock 120 and the third wellblock 130 it Between pass through 121 transition of the second annular table.The hole diameter of first wellblock 110 gradually decreasees from top to bottom, second wellblock 120 Hole diameter it is equal from top to bottom, the hole diameter of the third wellblock 130 gradually decreasees from top to bottom.It is arranged in this way, conveniently applies Work operation, improves reliability and safety, guarantees that solidifying core smoothly completes.
Each condensation unit is fixed on the inner wall of the slope protection well by a traction rope 310, is arranged on the traction rope 310 There is an obstruction pipe 311.It is arranged in this way, prevents condensation bag close to slope protection well or winding, guarantee condensation effect.The rapid hardening rope 301 bottom is provided with clump weight 304.The setting of clump weight 304 guarantees rapid hardening rope so that entirely rope body keeps plumbness 301 it is opposing stationary.
Certainly, above is representative instance of the invention, and in addition to this, the present invention can also have other a variety of specific implementations Mode, all technical solutions formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.

Claims (5)

1. a kind of foundation pit rapid hardening slope protection well, it is characterised in that: including slope protection well and the steel reinforcement cage being set to inside slope protection well, institute Stating steel reinforcement cage includes several ring supports and several vertical support muscle, and each vertical support top rib portion is provided with transverse direction Frame, the transverse strands are hung oneself equipped with rapid hardening structural member, and the rapid hardening structural member includes rapid hardening rope and is fixed on rapid hardening rope Several condensation units, each condensation unit includes condensation bag body, and the condensation bag body is internally provided with unhydrated Cement granules kernel.
2. a kind of foundation pit rapid hardening slope protection well as described in claim 1, it is characterised in that: the slope protection well from top to bottom includes First wellblock, the second wellblock, third wellblock, first wellblock and the second wellblock are by first annular transition, and described second Pass through the second annular table transition between wellblock and the third wellblock.
3. a kind of foundation pit rapid hardening slope protection well as claimed in claim 2, it is characterised in that: the hole diameter of first wellblock by up to Under be gradually reduced, the hole diameter of second wellblock is equal from top to bottom, and the hole diameter of the third wellblock gradually decreasees from top to bottom.
4. a kind of foundation pit rapid hardening slope protection well as described in claim 1, it is characterised in that: each condensation unit passes through a traction rope It is fixed on the inner wall of the slope protection well, an obstruction pipe is arranged on the traction rope.
5. a kind of foundation pit rapid hardening slope protection well as described in claim 1, it is characterised in that: the bottom of the rapid hardening rope, which is provided with, matches Pouring weight.
CN201820725728.4U 2018-05-15 2018-05-15 A kind of foundation pit rapid hardening slope protection well Active CN208563344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820725728.4U CN208563344U (en) 2018-05-15 2018-05-15 A kind of foundation pit rapid hardening slope protection well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820725728.4U CN208563344U (en) 2018-05-15 2018-05-15 A kind of foundation pit rapid hardening slope protection well

Publications (1)

Publication Number Publication Date
CN208563344U true CN208563344U (en) 2019-03-01

Family

ID=65481936

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820725728.4U Active CN208563344U (en) 2018-05-15 2018-05-15 A kind of foundation pit rapid hardening slope protection well

Country Status (1)

Country Link
CN (1) CN208563344U (en)

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Effective date of registration: 20190717

Address after: 202172 Room 1260, No. 495 Yuejin South Road, Xinhai Town, Chongming District, Shanghai (Guangming Rice Industry Economic Park)

Patentee after: Advocating Creation (Shanghai) Consulting Management Firm

Address before: Room 403, Building D, Changxiang District, Lucheng District, Wenzhou City, Zhejiang Province

Patentee before: Xu Zhangyi

TR01 Transfer of patent right