CN203625911U - Soil discharging construction structure with pit-in-pit door opening arranged in deep foundation pit - Google Patents

Soil discharging construction structure with pit-in-pit door opening arranged in deep foundation pit Download PDF

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Publication number
CN203625911U
CN203625911U CN201320857903.2U CN201320857903U CN203625911U CN 203625911 U CN203625911 U CN 203625911U CN 201320857903 U CN201320857903 U CN 201320857903U CN 203625911 U CN203625911 U CN 203625911U
Authority
CN
China
Prior art keywords
pit
propping
door opening
soil
brace summer
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.)
Expired - Fee Related
Application number
CN201320857903.2U
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Chinese (zh)
Inventor
张明
丘华生
周杰
蒋志成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Fourth Engineering Division Corp Ltd
Original Assignee
China Construction Fourth Engineering Division Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction Fourth Engineering Division Corp Ltd filed Critical China Construction Fourth Engineering Division Corp Ltd
Priority to CN201320857903.2U priority Critical patent/CN203625911U/en
Application granted granted Critical
Publication of CN203625911U publication Critical patent/CN203625911U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a soil discharging construction structure with a pit-in-pit door opening arranged in a deep foundation pit. The soil discharging construction structure comprises an annularly closed foundation pit supporting assembly composed of supporting piles and propping beams, the supporting piles are sequentially provided with the first propping beam, the second propping beam and the third propping beam from top to bottom, the door opening is arranged between the first propping beam and the second propping beam, top beams are arranged between the supporting piles and the first propping beam, and waist beams are arranged between the supporting piles and the second propping beam and between the supporting piles and the third propping beam. Compared with the prior art, the soil discharging construction structure has the advantages of being simple in structure and convenient to operate; besides, during pit-in-pit soil excavation, soil transportation vehicles and excavators get in and out through the door opening, slope excavation is conducted on the inlet of the door opening so as to form a driveway, and machinery ascends to the natural ground elevation from the door opening through the driveway; after the door opening is formed, the vertical altitude difference of pit-in-pit soil transportation is reduced, difficulty of soil excavation is reduced, and the construction period is shortened.

Description

In a kind of deep foundation ditch, establish and in hole, cheat the gateway opening formula constructing structure that is unearthed
Technical field
The utility model relates to a kind of constructing structure, particularly relates to establishing in a kind of deep foundation ditch in hole, cheating the gateway opening formula constructing structure that is unearthed.
Background technology
At present, owing to affected by execution conditions, the soil excavation of large foundation ditch does not possess heavy excavation execution conditions, for guaranteeing the duration node of high building, in large foundation ditch, relatively independent little foundation ditch is set, to excavate in advance the earthwork in high building district, we are referred to as " cheating in hole " (as shown in Figure 1) this little foundation ditch, for cheating soil excavation technology in hole, can employing technology put slope excavation at present, utilize vertical transport equipment to promote, if but slope is put in direct employing or vertical transport is carried soil, there is the problem of the following aspects: 1, put slope and need larger space, the deep foundation ditch often degree of depth is larger, and the soil property within the scope of cutting depth is poor, for example foundation depth reaches 17 meters, it within the scope of cutting depth, is mucky soil, suppose to adopt the general slope mode of putting to excavate, earthmoving vehicle can be normally current maximum gradient be 15%, putting length of grade degree is 113 meters, for guaranteeing the stability in ramp, both sides, ramp also need to put slope, in general hole, cheat planar dimension less, can not meet the requirement of putting slope, 2, put slope and have larger potential safety hazard, the closed structure of annular owing to cheating support system in hole, therefore each employing put after the earthwork of domatic formula excavation one deck, slight slope need be excavated, after support construction closure, carry out again backfill and put slope, in the time of the last one deck earthwork of excavation, because new backfill amount is larger, slight slope is difficult to settlement stability, may produce the phenomenon of slope instability, while interting structure base slab construction, the soil excavation of elevator shaft, collecting well part affects the stability of slight slope equally simultaneously, therefore adopts and puts the larger potential safety hazard of slope excavation existence, 3, efficiency of construction is low, cost is high, all needs slight slope to excavate when per pass support construction, carries out the backfill earthwork again and build slight slope after support construction, repeated workload is larger, operating efficiency is low, and has greatly increased construction cost, so existing structure Shortcomings.
Summary of the invention
The purpose of this utility model is: provide a kind of simple in structure, safe and reliable, save construction cost, accelerated construction speed, reduce the soil excavation discrepancy in elevation and follow-up structure construction is affected to establish in little a kind of deep foundation ditch in hole, to cheat the gateway opening formula constructing structure that is unearthed, to overcome the deficiencies in the prior art.
The utility model is to form like this: in a kind of deep foundation ditch, establish and in hole, cheat the gateway opening formula constructing structure that is unearthed, comprise ring enclosed pattern foundation pit supporting structure, pattern foundation pit supporting structure is made up of soldier pile and brace summer, on soldier pile from height to low first brace summer, the second brace summer He tri-road brace summers of being disposed with, between first brace summer and second brace summer, be provided with gateway opening, between soldier pile and first brace summer, second brace summer He tri-road brace summers, be provided with Guan Liang and waist rail.
Be provided with retaining wall at annular pattern foundation pit supporting structure top.
On the passage of gateway opening hole, be provided with and put slope.
Compared with prior art, the utility model not only has simple in structure, easy to operate advantage, and in excavation hole when hole cubic metre of earth, cubic metre of earth transport vehicle, excavator be from then on gateway opening turnover all, gateway opening entrance is put slope excavation and is formed track, machinery through track from gateway opening to natural ground level, offer after gateway opening, reduced a vertical discrepancy in elevation for hole cubic metre of earth transportation in hole, reduce the difficulty of soil excavation, and saved the construction period.
Accompanying drawing explanation
Fig. 1 is the structural representation in foundation ditch of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is that the C of Fig. 3 is to view;
Description of reference numerals: 1-pattern foundation pit supporting structure, 2-soldier pile, 3-brace summer, 4-first brace summer, 5-second brace summer, 6-gateway opening, 7-waist rail, 8-retaining wall, 9-is put slope, 10-tri-road brace summers, 11-Guan Liang, 12-foundation ditch, hole in 13-hole.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment of the present utility model: establish in a kind of deep foundation ditch and cheat the gateway opening formula constructing structure that is unearthed in hole, comprise ring enclosed pattern foundation pit supporting structure 1, pattern foundation pit supporting structure 1 is made up of soldier pile 2 and brace summer 3, on soldier pile 2 from height to low first brace summer 4, the second brace summer 5 He tri-road brace summers 10 of being disposed with, between first brace summer 4 and second brace summer 5, be provided with gateway opening 6, between soldier pile 2 and first brace summer 4, second brace summer 5 He tri-road brace summers 5, be provided with hat beam 11 and waist rail 7.
Be provided with retaining wall 8 at annular pattern foundation pit supporting structure 1 top.
On gateway opening 6 hole passages, be provided with and put slope 9, to gateway opening access road, slope unloading is put in the both sides earthwork, according to on-the-spot actual excavation soil property situation, determines the slope ratio of putting.Can adopt spray anchor to side slope if desired, beat timber or insert the measures such as shaped steel and reinforce, to guarantee passage soil at both sides stability.
After blocking, soldier pile increases steel concrete Guan Liang at pile crown (being gateway opening end opening position), the Guan Liang increasing and soldier pile and the waist rail of gateway opening both sides connect into entirety, this waist rail of setting up both can be used as cubic metre of earth transportation and has been open to traffic and turns native platform, had increased again the resistance to overturning of cheating support system in hole.
The openings position of the gateway opening in the utility model, in the time that plan-position is determined according to on-site actual situations, determine the unearthed circuit in hole in hole, select the plan-position of opening holes, while determining door opening plan-position, should avoid as far as possible supporting and protection structure vertical member (as lattice column) to appear at the position of gateway opening front and back, in order to avoid affect earthmoving vehicle turnover.
When vertical position is determined, should be arranged on the stressed smaller part of supporting and protection structure position, before support system construction, should link up clear and definite opening holes position with designing unit and whether take strengthening measure.
Gateway opening door opening size is to meet single amount earthmoving vehicle and current being advisable of single amount excavator, for example engineering support stake diameter is 1.0m, spacing is 1.5m, between first brace summer and second brace summer, clear height is 3.9m, therefore consider to intercept continuous three soldier piles and form hole between first brace summer and second brace summer, hole size dimension is 5000 × 3900, meets cubic metre of earth equipment current.
In gateway opening place consolidation process, after blocking, soldier pile increases steel concrete Guan Liang at pile crown (being that hole is following), beam section width is with soldier pile diameter, height and beam face absolute altitude are with soldier pile side waist rail, Guan Liang and soldier pile side waist rail connect into entirety, to increase the globality of support system and to be conveniently open to traffic.
When hole soldier pile blocks in second brace summer absolute altitude position, in the hat beam that reserved soldier pile Bar Anchorage is set up, length in reserve is got anchorage length, the same waist rail of hat beam arrangement of reinforcement of setting up, and vertical muscle is in both sides soldier pile pile body bar planting anchoring.
In digging process, the main purpose of offering gateway opening is to reduce the soil excavation degree of depth, reduces and puts slope requisite space, integrated use is moved back and is dug and the mode such as simple and easy earthen platform is carried out deep foundation pit earthwork digging, in soil excavation process, follows drawing near, layering is moved back and is dug, and forms final roll attitude.When slight slope is excavated, mound point is set under gateway opening, the earthwork in foundation ditch is gone to mound point by small-sized hook machine in foundation ditch, then by gateway opening place excavator, the earthwork of mound point is gone to the outer also entrucking of foundation ditch.

Claims (3)

1. in a deep foundation ditch, establish and in hole, cheat the gateway opening formula constructing structure that is unearthed, comprise ring enclosed pattern foundation pit supporting structure (1), it is characterized in that: pattern foundation pit supporting structure (1) is made up of soldier pile (2) and brace summer (3), upper from height to the low first brace summer (4) that is disposed with at soldier pile (2), second brace summer (5) He tri-road brace summers (10), between first brace summer (4) and second brace summer (5), be provided with gateway opening (6), at soldier pile (2) and first brace summer (4), between second brace summer (5) He tri-road brace summers (5), be provided with Guan Liang (11) and waist rail (7).
2. in deep foundation ditch according to claim 1, establish in hole and cheat the unearthed constructing structure of gateway opening formula, it is characterized in that: be provided with retaining wall (8) at annular pattern foundation pit supporting structure (1) top.
3. in deep foundation ditch according to claim 1, establish in hole and cheat the unearthed constructing structure of gateway opening formula, it is characterized in that: on the passage of gateway opening (6) hole, be provided with and put slope (9).
CN201320857903.2U 2013-12-24 2013-12-24 Soil discharging construction structure with pit-in-pit door opening arranged in deep foundation pit Expired - Fee Related CN203625911U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320857903.2U CN203625911U (en) 2013-12-24 2013-12-24 Soil discharging construction structure with pit-in-pit door opening arranged in deep foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320857903.2U CN203625911U (en) 2013-12-24 2013-12-24 Soil discharging construction structure with pit-in-pit door opening arranged in deep foundation pit

Publications (1)

Publication Number Publication Date
CN203625911U true CN203625911U (en) 2014-06-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320857903.2U Expired - Fee Related CN203625911U (en) 2013-12-24 2013-12-24 Soil discharging construction structure with pit-in-pit door opening arranged in deep foundation pit

Country Status (1)

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CN (1) CN203625911U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040728A (en) * 2015-06-05 2015-11-11 朱奎 Three-layer basement supporting structure
CN105421463A (en) * 2015-11-04 2016-03-23 中建三局集团有限公司 Longitudinal excavation construction method of long-span dense-support super-long deep foundation pit
CN109837907A (en) * 2019-01-24 2019-06-04 中国建筑第八工程局有限公司 Excavation method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040728A (en) * 2015-06-05 2015-11-11 朱奎 Three-layer basement supporting structure
CN105421463A (en) * 2015-11-04 2016-03-23 中建三局集团有限公司 Longitudinal excavation construction method of long-span dense-support super-long deep foundation pit
CN105421463B (en) * 2015-11-04 2017-03-22 中建三局集团有限公司 Longitudinal excavation construction method of long-span dense-support super-long deep foundation pit
CN109837907A (en) * 2019-01-24 2019-06-04 中国建筑第八工程局有限公司 Excavation method
CN109837907B (en) * 2019-01-24 2020-08-21 中国建筑第八工程局有限公司 Foundation pit excavation construction method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140604

Termination date: 20161224

CF01 Termination of patent right due to non-payment of annual fee