CN105236275B - Soil lifting system and method for construction of deep foundation pit in narrow area building - Google Patents
Soil lifting system and method for construction of deep foundation pit in narrow area building Download PDFInfo
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- CN105236275B CN105236275B CN201510676300.6A CN201510676300A CN105236275B CN 105236275 B CN105236275 B CN 105236275B CN 201510676300 A CN201510676300 A CN 201510676300A CN 105236275 B CN105236275 B CN 105236275B
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- 238000010276 construction Methods 0.000 title claims abstract description 79
- 239000002689 soil Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims description 25
- 238000009412 basement excavation Methods 0.000 claims description 23
- 238000013461 design Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 230000000384 rearing effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 239000011150 reinforced concrete Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000032258 transport Effects 0.000 description 11
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 230000009049 secondary transport Effects 0.000 description 1
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Abstract
A soil lifting system and a soil lifting method for construction of deep foundation pits in narrow areas are disclosed, wherein a large face sealing plate is arranged on a first concrete support around a hole opening of the system, and the large face sealing plate is used as a first sealing plate for arranging soil lifting equipment and a soil piling platform; the vertical soil lifting equipment adopts a steel derrick soil lifting crane, and comprises a steel derrick erected on the opening of the hole and an electric hoist hung on the steel derrick; the soil piling platform is arranged on a first sealing plate around the opening and is an area enclosed by the retaining wall and the water retaining ridge. Carrying out large-face sealing on the first concrete support around the hole to serve as a first sealing plate, providing a transport channel for a transport vehicle, providing a material storage yard for the construction of a subsequent main body structure, and providing a site for the installation of a soil piling platform and a steel derrick; a soil piling area is arranged on the first sealing plate, and earthwork which cannot be transported outside in time is temporarily piled; the steel derrick earth lifting device is not limited by an on-site reinforced concrete ramp, increases an earth-out path, greatly shortens the construction period in advance, and is particularly suitable for construction of a deep foundation pit with a narrow site.
Description
Technical field
The present invention relates to earth excavation technical field of construction, more particularly in the narrow annulus construction of construction space
Using a kind of construction of narrow zone deep foundation pit of construction carry soil series system and carry indigenous method.
Background technology
At present, in the narrow annulus deep foundation pit of construction engineering construction of construction space, two difficult problems often are faced with, on the one hand,
As narrow field, inner support area are big, between support, clear distance is little, supports bottom earth excavation difficult, it is impossible in a conventional manner
Earth excavation is completed using slope；On the other hand, due to lacking material stockyard, earth moving vehicles need to be travelled to bottom of foundation ditch transport soil
Side, can not transport outward in early evening peak traffic and rainy day, and construction speed is obstructed, and greatly prolong construction period, critical circuits it is normal
Construction it cannot be guaranteed that.
The content of the invention
Present invention aim at provide a kind of soil series that puies forward of narrow zone deep foundation pit of construction construction and uniting and carrying indigenous method, solve
In prior art in narrow zone construction due to narrow field, inner support area is big, support between clear distance is little, support the bottom earthwork to open
Dig difficulty, unearthed path is few, can not complete the technical barrier of earth excavation in a conventional manner using slope, and due to lacking
Material stockyard, earth moving vehicles need to be travelled to the bottom of foundation ditch transport earthwork, when early evening peak traffic and rainy day can not be transported outward
Construction speed is obstructed, greatly prolongs the technical barrier of construction period.
For realizing above-mentioned technical purpose, the present invention is adopted the following technical scheme that：
A kind of construction of narrow zone deep foundation pit of construction carries soil series system, including foundation pit support system, vertically carry indigenous equipment with
And mound platform, the foundation pit support system includes foundation pit enclosure stake, foundation ditch stand column pile and concrete support, it is characterised in that：
If the concrete support includes arterial highway from top to bottom, the first road concrete support around hole carries out big face envelope
Plate, used as the first road shrouding for carrying indigenous equipment and mound platform for arrangement；
The indigenous equipment that vertically carries carries native loop wheel machine using steel headframe, including the steel headframe and hanging being erected on hole in steel
Electric block on derrick；
The steel headframe includes the column of the rectangle frame enclosed by crossbeam and beneath support rectangle frame, the column pair
Title is fixed on around hole, and the centre of the rectangle frame is provided with for hanging electric block the track as its moving track
Beam, the suspension hook connection suspension bucket of electric block；
The mound platform is located on the first road shrouding around hole, is the region that retaining wall and water-blocking bank are surrounded.
Used as the preferred technical solution of the present invention, the column of the steel headframe is shaped steel column, and the crossbeam includes girder
And secondary beam, the girder includes buttress brace vertical with track girder in the middle of Vierendeel girder and framework, the secondary beam be located at buttress brace with
Between Vierendeel girder, track girder is also perpendicularly to.
Preferably, the first road shrouding is armoured concrete slab, its thickness range be 200～350mm, the reinforced concrete
Native plate is integrated moulding by casting with the support beam at the top of foundation ditch stand column pile, and the mutual colligation of reinforcing bar between the two connects.
Preferably, the mound platform sets gear soil away from muck haulage car transport channel and near the both sides in a corner at hole
Wall, along water-blocking bank is all provided with, the cross section of the water-blocking bank is raised semicircular arc to remaining sides, and its maximum height is 5～20cm.
Preferably, in mound platform outer, knoll is reinforced along retaining wall interval setting.
Preferably, near the upper edge of the retaining wall of hole side, the position of respective carter beam is provided with and enters heap for suspension bucket
The suspension bucket preformed hole of native platform.
Preferably, inspection platform is additionally provided with the steel headframe.
The invention further relates to a kind of soil series that carries using a kind of above-mentioned narrow zone deep foundation pit of construction construction unites what is carried out
Carry indigenous method, it is characterised in that comprise the steps：
Step one, the position for determining hole：Foundation ditch stand column pile is avoided agent structure by the design drawing of combining main body structure
Engineering pile, pillar and well, determine number and the position at hole；
Step 2, the thickness of slab for determining first road shrouding and laying area：Require to determine according to the specification and windrow of transporting equipment
The thickness of slab of first road shrouding and laying area, first road shrouding are located on the first road concrete support around hole, used as being used for arranging
Carry the first road shrouding of indigenous equipment and mound platform；
Step 3, earth excavation are to first road inner support bottom absolute altitude：Foundation ditch periphery fender post and hole inner column pile driving construction are finished
Afterwards, big face carries out earth excavation to first road inner support bottom absolute altitude；
The integrated construction of step 4, first road inner support and first road shrouding：Pour including formwork erection, reinforcing bar colligation and concrete
Build, and conserved；
Step 5, installation vertically carry indigenous equipment：The concrete strength of Dai Shou roads inner support and first road shrouding reach 75% with
Afterwards, steel headframe is installed around hole on first road shrouding and carries native loop wheel machine, including the installation of steel headframe and electric block；
The construction of step 6, mound platform：The construction of retaining wall and water-blocking bank is carried out on the first road shrouding around hole,
Form mound platform；
Step 7, carry out carrying soil using the completed indigenous equipment that carries：Start electric block, suspension bucket vertical landing is made to hole
Bottom, rises after the earthwork is filled, carries out discharging into mound platform, be repeated up to be excavated to second inner support bottom absolute altitude；
Step 8, while earth excavation, repeat step seven carries out putting forward soil application work, until be excavated to foundation ditch bottom absolute altitude.
Wherein, in the step 7, if earth excavation is night work, the earthwork is directly had bad luck to fortune using suspension bucket
On navy barrow；If operation on daytime, earthwork transportation is not allowed, then the earthwork having bad luck up suspension bucket is stacked to first floor retaining wall model
In mound platform in enclosing.
Preferably, the concrete grammar of the integrated construction of step 4 Zhong Shou road inner support and first road shrouding is：
Step 1, according to measurement result, carry out earth excavation to first road inner support bottom absolute altitude；
Step 2, first road inner support and the support of first road shrouding position are set up with template system；
The reinforcing bar of step 3, colligation head road inner supports and first road shrouding；
Step 4, the concreting for carrying out first road inner support and first road shrouding；
Step 5, after concreting is finished, use covered rearing with plastic film, moisture-keeping maintaining in 12 hours.
It is further preferred that in the step 5, the concrete installation steps of steel headframe are as follows：
In step 1, first road inner support casting process, steel headframe column embedded part is imbedded in first road inner support beam；
After step 2, Dai Shou roads inner support beam concrete strength reach design requirement, according to order install steel headframe column,
Crossbeam and track girder；Column is adopted with embedded part and is welded to connect, with bolts between column, crossbeam and track girder.
Step 3, installation bridging and diagonal brace, it is ensured that the safety of the stable and unit member stress of whole support body；
Step 4, installation and repairing platform, in order to ensure the normal operation of electric block, need to arrange maintenance on portal frame
Platform；
Step 5, installation electric block, and carry out trial operation.
Compared with prior art, it is of the invention it is a technical advantage that：
1st, the first road concrete support around hole is carried out into big face shrouding, as first road shrouding, is provided for transport vehicle
Transport channel, earth moving vehicles need not be travelled to bottom of foundation ditch, can complete earthwork shipment, greatly reduce car on first road is supported
Cleaning；Construction for succeeding body structure provides material stockyard, it is to avoid the Secondary Transport of material, saves and is constructed into
This, speed shortens the construction period；Installation for mound platform and steel headframe provides place, its simple structure, props up with steel is received
Support integrated construction, easy construction；
2nd, vertically carry indigenous equipment and indigenous equipment is carried using steel headframe, which is not limited by live armored concrete ramp, is increased
Unearthed path, duration about 1 month, is particularly well-suited in the deep foundation pit construction of narrow field in advance, solve as place is narrow
Little, inner support area is big, support between clear distance is little, support that bottom earth excavation is difficult, path of being unearthed is few, can not be in a conventional manner
The technical barrier of earth excavation is completed using slope；
3rd, mound platform is located on first road shrouding, when early evening peak traffic and rainy day can not be transported outward, can be in head
Road supports the position of shrouding to arrange mound area, stacks the earthwork that can not be transported outward in time temporarily, and the foundation ditch deadline shifts to an earlier date；
4th, construction equipment it is simple, flexibly, pollute that little, noise is low, do not disturb residents.
When present invention design openings position and inner support absolute altitude, pattern foundation pit supporting structure vertical member such as stand column pile etc. is avoided into main body
The engineering pile of structure, pillar and well, pattern foundation pit supporting structure horizontal struts system avoid the position of formal structure horizontal force component；It is main
Body structural post position reserves hole in first road inner support, and the earth excavation stage, used as unearthed passage, subsequent structural construction
Stage, it is ensured that the unsupported dismounting of agent structure affects, normal construction.Meanwhile, the present invention is according to each construction stage, different
Position preloading requires, has been also carried out Force Calculation to whole support system, it is ensured that support system can meet each construction stage to be made
With requiring.
Description of the drawings
Fig. 1 is the overall structure diagram for carrying soil series system of narrow zone deep foundation pit of construction construction according to the present invention；
Fig. 2 is the dimensional structure diagram of steel headframe according to the present invention 4；
Fig. 3 is the front view of steel headframe according to the present invention 4；
Fig. 4 is the top view of steel headframe according to the present invention 4；
Fig. 5 is the set-up mode schematic diagram of mound platform according to the present invention 6.
Reference：1- foundation pit enclosure stakes, 2- foundation ditch stand column pile, 3- concrete supports, 31- head roads concrete support, 32-
First road shrouding, 4- steel headframes, 41- columns, 42- crossbeams, 43- track girders, 5- electric blocks, 6- mound platforms, 7- retaining walls, 8-
Water-blocking bank, 9- reinforce knoll, 10- holes, 11- muck haulage cars, 12- suspension buckets, 13- inspection platforms, 14- suspension bucket preformed holes.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
Such as Fig. 1, a kind of narrow zone deep foundation pit of construction construction carries soil series system, including foundation pit support system, vertically carries soil
Equipment and mound platform, the foundation pit support system include foundation pit enclosure stake 1, foundation ditch stand column pile 2 and concrete support 3, its
It is characterised by：
If the concrete support 3 includes arterial highway from top to bottom, the first road concrete support 31 around hole 10 is carried out greatly
Face shrouding, used as the first road shrouding 32 for carrying indigenous equipment and mound platform for arrangement；The first road shrouding 32 is armored concrete
Plate, its thickness range are that the support beam at the top of 200～350mm, the armoured concrete slab and foundation ditch stand column pile 2 is integrated cast
Molding, the mutual colligation of reinforcing bar between the two connect.The indigenous equipment that vertically carries carries native loop wheel machine using steel headframe, including being erected at
Electric block 5 of the steel headframe 4 and hanging on hole 10 on steel headframe 4；Such as Fig. 2～4, the steel headframe 4 is included by crossbeam
The column 41 of 42 rectangle frames for enclosing and beneath support rectangle frame, the column 41 are symmetrically fixed on around hole 10, institute
The centre for stating rectangle frame is provided with for hanging electric block 5 track girder 43 as its moving track, the suspension hook of electric block
Connection suspension bucket 12；The column 41 of the steel headframe 4 is shaped steel column, and the crossbeam 42 includes girder and secondary beam, the girder bag
Buttress brace vertical with track girder 43 in the middle of Vierendeel girder and framework is included, the secondary beam is located between buttress brace and Vierendeel girder, also hangs down
Directly in track girder 43.Inspection platform 13 is additionally provided with the steel headframe 4.
Such as Fig. 5, the mound platform 6 is located on the first road shrouding around hole 10, is that retaining wall 7 and water-blocking bank 8 are surrounded
Region.The mound platform 6 sets retaining wall 7 away from muck haulage car transport channel and near the both sides in a corner at hole 10,
Along water-blocking bank 8 is all provided with, the cross section of the water-blocking bank 8 is raised semicircular arc to remaining sides, and its maximum height is 5～20cm.
In 6 outer of mound platform, knoll 9 is reinforced along 7 interval setting of retaining wall.Near the upper edge of the retaining wall 7 of hole side, correspondence rail
The position of road beam 43 is provided with the suspension bucket preformed hole 14 for entering mound platform 6 for suspension bucket 12.
The invention further relates to a kind of soil series that carries using a kind of above-mentioned narrow zone deep foundation pit of construction construction unites what is carried out
Indigenous method is carried, indigenous method is carried using crossed construction, it is characterised in that comprised the steps：
Step one, the position for determining hole 10：Foundation ditch stand column pile 2 is avoided main body by the design drawing of combining main body structure
The engineering pile of structure, pillar and well, determine number and the position at hole 10；
Step 2, the thickness of slab for determining first road shrouding 32 and laying area：Require really according to the specification and windrow of transporting equipment
The thickness of slab and laying area of Ding Shou roads shrouding 32, first road shrouding 32 are located on the first road concrete support 31 around hole 10, make
It is the first road shrouding 32 for carrying indigenous equipment and mound platform for arrangement；
Step 3, earth excavation are to first road inner support bottom absolute altitude：Foundation ditch periphery fender post and hole inner column pile driving construction are finished
Afterwards, big face carries out earth excavation to first road inner support bottom absolute altitude；
The integrated construction of step 4, first road inner support 31 and first road shrouding 32：Including formwork erection, reinforcing bar colligation and coagulation
Soil is poured, and is conserved, and the concrete grammar of construction is：
In step 1, first road inner support casting process, 4 column embedded part of steel headframe is imbedded in first road inner support beam；
After step 2, Dai Shou roads inner support beam concrete strength reach design requirement, steel headframe column is installed according to order
41st, crossbeam 42 and track girder 43；Column adopts bolt with embedded part using being welded to connect between column 41, crossbeam 42 and track girder 43
Connection.
Step 3, installation bridging and diagonal brace, it is ensured that the safety of the stable and unit member stress of whole support body；
Step 4, installation and repairing platform 13, in order to ensure the normal operation of electric block, need to arrange inspection on portal frame
Equating platform；
Step 5, installation electric block 5, and carry out trial operation.
Step 5, installation vertically carry indigenous equipment：The concrete strength of Dai Shou roads inner support 31 and first road shrouding 32 reaches 75%
After,
Steel headframe is installed around hole on first road shrouding 32 and carries native loop wheel machine, including steel headframe 4 and the peace of electric block 5
Dress；During making, according to inner support dimension of opening, determine that the spacing of steel frame column is 6m × 7m, according to the height of earth moving vehicles with
And the load requirement in early stage Foundation Pit Support Design stage, determine that the height of steel frame column is 6.9m, while taking into full account that the earthwork is hung
Fortune load and inspection platform position and load requirement, carry out the design of hoisting frame.Using finite element software, with reference to actual lotus of constructing
Operating mode is carried, and Force Calculation is carried out to lifting steel headframe, including main stressed member, reaction at basement, pre-buried dowel, electric crane etc.
Content is checked, and through Force Calculation, and considers installation requirements, and column adopts HW300mm × 300mm × 10mm × 15mm,
Horizontal girder steel adopts HW400mm × 200mm × 8mm × 13mm, HW400mm × 150mm × 8mm × 13mm, and to connecting node
Carry out Deepen Design；
The construction of step 6, mound platform 6：Retaining wall 7 and water-blocking bank 4 is carried out on the first road shrouding 32 around hole
Construction, forms mound platform 6；The construction of retaining wall 7 and water-blocking bank 8 is completed in the openings position of first road inner support, mound is formed
Platform 6, the first floor shrouding position of each lifting device are designed with mound area, so as to situation about cannot transport outward in time in the earthwork
Under, the earthwork is stacked temporarily.Interim mound is highly less than 2m, to meet the restriction requirement of floor plan load.Mound area need to set
The high 1500mm of concrete retaining wall is put, thick 200mm, two-layer two-way reinforcement need to arrange water-blocking bank in other sides in mound area, in case
Only rainwater trickles everywhere.Water-blocking bank is curved, the high 150mm of peak, is easy to muck haulage garage to walk；
Step 7, carry out carrying soil using the completed indigenous equipment that carries：Start electric block 5, make 12 vertical landing of suspension bucket extremely
Hole bottom, rises after the earthwork is filled, carries out discharging into mound platform 6, be repeated up to be excavated to second inner support bottom
Absolute altitude；If earth excavation is night work, the earthwork is directly had bad luck to muck haulage car 11 using suspension bucket 12；If daytime is made
Industry, does not allow earthwork transportation, then the earthwork having bad luck up suspension bucket 12, stacks the mound platform 6 to first floor retaining wall
It is interior；
Step 8, while earth excavation, repeat step seven carries out putting forward soil application work, until be excavated to foundation ditch bottom absolute altitude.
The concrete strength of Dai Shou roads inner support is reached after 100%, is excavated using excavator and is supported the downside earthwork, and utilization is vertically carried
Indigenous equipment completes a cubic metre of earth vertical transport operation, until being excavated to second inner support bottom absolute altitude；If earth excavation is night work,
Then the earthwork is directly had bad luck to muck haulage car using suspension bucket 12；If operation on daytime, earthwork transportation is not allowed, then suspension bucket 12 is fallen
The earthwork for coming is transported, is stacked in the mound platform to first floor retaining wall.Construction second inner support：Same step 3；Root
According to different foundation depths and inner support road number, follow-up work is completed, until being excavated to foundation ditch bottom absolute altitude.The construction of successive projects stake
And the vertical transport in clear groove stage can adopt this vertical transport equipment.
The present embodiment supports the earthwork that can be excavated under not closed operating mode on the downside of the head roads support of southern side, the earthwork to open in first road
Dig time advance about 1.5 months, be that subsequent construction is smoothed out offer condition, if carry indigenous method according to tradition being constructed, interior
Support construction needs maintenance to be supported downside earth excavation after reaching 90% to structural strength after finishing, construction period is longer.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of narrow zone deep foundation pit of construction construction carries soil series system, including foundation pit support system, vertically carry indigenous equipment and
Mound platform, the foundation pit support system include foundation pit enclosure stake（1）, foundation ditch stand column pile（2）And concrete support（3）, which is special
Levy and be：
The concrete support（3）If including arterial highway, hole from top to bottom（10）The first road concrete support of surrounding（31）Carry out
Big face shrouding, used as the first road shrouding for carrying indigenous equipment and mound platform for arrangement（32）；
The indigenous equipment that vertically carries carries native loop wheel machine using steel headframe, including being erected at hole（10）On steel headframe（4）And hanging
In steel headframe（4）On electric block（5）；
The steel headframe（4）Including by crossbeam（42）The rectangle frame for enclosing and the column of beneath support rectangle frame（41）, institute
State column（41）Hole is fixed on symmetrically（10）Around, the centre of the rectangle frame is provided with for hanging electric block（5）And make
For the track girder of its moving track（43）, the suspension hook connection suspension bucket of electric block（12）；
The mound platform（6）It is located at hole（10）On the first road shrouding of surrounding, it is retaining wall（7）And water-blocking bank（8）Surround
Region；
The steel headframe（4）On be additionally provided with inspection platform（13）；
In mound platform（6）Outer, along retaining wall（7）Interval setting reinforces knoll（9）；Near the retaining wall of hole side（7）
Upper edge, respective carter beam（43）Position be provided with for suspension bucket（12）Into mound platform（6）Suspension bucket preformed hole（14）；
The first road shrouding（32）It is armoured concrete slab, the armoured concrete slab and foundation ditch stand column pile（2）The support at top
Beam is integrated moulding by casting, and the mutual colligation of reinforcing bar between the two connects.
2. a kind of soil series that carries of narrow zone deep foundation pit of construction construction according to claim 1 is united, it is characterised in that：It is described
Steel headframe（4）Column（41）For shaped steel column, the crossbeam（42）Including girder and secondary beam, the girder include Vierendeel girder and
In the middle of framework and track girder（43）Vertical buttress brace, the secondary beam are located between buttress brace and Vierendeel girder, are also perpendicularly to track
Beam（43）.
3. a kind of soil series that carries of narrow zone deep foundation pit of construction construction according to claim 1 is united, it is characterised in that：It is described
Mound platform（6）Away from muck haulage car transport channel and near hole（10）The both sides in a corner set retaining wall（7）, remaining sides
Edge is all provided with water-blocking bank（8）, the water-blocking bank（8）Cross section be raised semicircular arc, its maximum height is 5～20cm.
4. carried out using a kind of soil series system that carries of the narrow zone deep foundation pit of construction construction described in claim 1～3 any one
Carry indigenous method, it is characterised in that comprise the steps：
Step one, determine hole（10）Position：The design drawing of combining main body structure, by foundation ditch stand column pile（2）Avoid main body
The engineering pile of structure, pillar and well, determine hole（10）Number and position；
Step 2, the first road shrouding of determination（32）Thickness of slab and laying area：Require to determine according to the specification and windrow of transporting equipment
First road shrouding（32）Thickness of slab and laying area, first road shrouding（32）It is located at hole（10）The first road concrete support of surrounding（31）
On, as the first road shrouding for carrying indigenous equipment and mound platform for arrangement（32）；
Step 3, earth excavation are to first road inner support bottom absolute altitude：After foundation ditch periphery fender post and hole inner column pile driving construction are finished, greatly
Face carries out earth excavation to first road inner support bottom absolute altitude；
Step 4, first road inner support（31）And first road shrouding（32）Integrated construction：Including formwork erection, reinforcing bar colligation and coagulation
Soil is poured, and is conserved；
Step 5, installation vertically carry indigenous equipment：Dai Shou roads inner support（31）And first road shrouding（32）Concrete strength reach 75%
After, in first road shrouding（32）It is upper to carry native loop wheel machine around hole installation steel headframe, including steel headframe（4）And electric block（5）'s
Install；
Step 6, mound platform（6）Construction：First road shrouding around hole（32）On carry out retaining wall（7）And water-blocking bank
（8）Construction, formed mound platform（6）；
Step 7, carry out carrying soil using the completed indigenous equipment that carries：Start electric block（5）, make suspension bucket（12）Vertical landing is extremely
Hole bottom, rises after the earthwork is filled, into mound platform（6）Discharging is carried out, is repeated up to be excavated to second inner support
Bottom absolute altitude；
Step 8, while earth excavation, repeat step seven carries out putting forward soil application work, until be excavated to foundation ditch bottom absolute altitude.
5. a kind of narrow zone deep foundation pit of construction construction according to claim 4 carry that soil series system carries out carry indigenous method,
It is characterized in that：In the step 7, if earth excavation is night work, using suspension bucket（12）The earthwork is directly had bad luck to fortune
Navy barrow（11）On；If operation on daytime, earthwork transportation is not allowed, then by suspension bucket（12）The earthwork having bad luck up, stacks to the first floor
Mound platform in the range of retaining wall（6）It is interior.
6. a kind of narrow zone deep foundation pit of construction construction according to claim 4 carry that soil series system carries out carry indigenous method,
It is characterized in that：Step 4 Zhong Shou road inner support（31）And first road shrouding（32）The concrete grammar of integrated construction is：
Step 1, according to measurement result, carry out earth excavation to first road inner support bottom absolute altitude；
Step 2, first road inner support（31）And first road shrouding（32）Position support is set up with template system；
Step 3, colligation head roads inner support（31）And first road shrouding（32）Reinforcing bar；
Step 4, carry out first road inner support（31）And first road shrouding（32）Concreting；
Step 5, after concreting is finished, use covered rearing with plastic film, moisture-keeping maintaining in 12 hours.
7. a kind of narrow zone deep foundation pit of construction construction according to claim 5 or 6 carry that soil series system carries out propose the earthwork
Method, it is characterised in that：In the step 5, the concrete installation steps of steel headframe are as follows：
In step 1, first road inner support casting process, by steel headframe（4）In the first road inner support beam of column embedded part embedment；
After step 2, Dai Shou roads inner support beam concrete strength reach design requirement, steel headframe column is installed according to order（41）、
Crossbeam（42）And track girder（43）；Column is adopted with embedded part and is welded to connect, column（41）, crossbeam（42）And track girder（43）Between adopt
It is connected with；
Step 3, installation bridging and diagonal brace, it is ensured that the safety of the stable and unit member stress of whole support body；
Step 4, installation and repairing platform（13）, in order to ensure the normal operation of electric block, maintenance need to be set on portal frame
Platform；
Step 5, installation electric block（5）, and carry out trial operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676300.6A CN105236275B (en) | 2015-10-19 | 2015-10-19 | Soil lifting system and method for construction of deep foundation pit in narrow area building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN110733977A (en) * | 2018-07-19 | 2020-01-31 | 泸州全舍会建材科技有限公司 | quick-detachable hoisting device based on building main body structure and quick construction method |
| CN109853657A (en) * | 2019-03-15 | 2019-06-07 | 湖北工业大学 | A kind of artificial digging pile automatic clinker-removing device and application method based on BIM technology |
| CN110644505A (en) * | 2019-09-11 | 2020-01-03 | 上海市基础工程集团有限公司 | Rapid soil taking system and method for ultra-deep shaft foundation pit construction |
| CN110747861A (en) * | 2019-10-30 | 2020-02-04 | 中国建筑第四工程局有限公司 | High-water-level deep foundation pit excavation construction method |
| CN112854230B (en) * | 2021-01-09 | 2024-03-15 | 湖南省城乡建设勘测院有限公司 | Construction method of deep foundation pit and conveying device of soil for deep foundation pit |
| CN113023562A (en) * | 2021-03-05 | 2021-06-25 | 上海建工二建集团有限公司 | Soil body taking and transporting device and method for existing building underground space development |
| CN113818694B (en) * | 2021-07-16 | 2022-09-23 | 中国建筑一局(集团)有限公司 | Construction method of construction system for pouring steel pipe column without dismantling sealing plate |
| CN113845015A (en) * | 2021-09-05 | 2021-12-28 | 中建三局第一建设工程有限责任公司 | Earthwork hoisting system and method for foundation pit bottom manual hole digging pile |
| CN115142428B (en) * | 2022-06-30 | 2023-06-09 | 中建八局科技建设有限公司 | Advanced construction method for deep foundation pit storage yard |
| CN115110577B (en) * | 2022-08-01 | 2023-11-14 | 上海建工一建集团有限公司 | Construction method for large basement assembled from four sides to center |
| CN116043857B (en) * | 2023-01-17 | 2024-06-18 | 中建八局第二建设有限公司 | Claw-shaped buttress steel frame and fertilizer tank earthwork excavation method |
| CN116161559B (en) * | 2023-03-27 | 2024-05-28 | 成都建工第三建筑工程有限公司 | Construction device for assembled building shock insulation foundation |
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| DE102005019005A1 (en) * | 2005-04-22 | 2006-10-26 | Logic-Logistic Consult Ingenieurgesellschaft Mbh | Narrow trench upright or inclined sidewall has sliding shuttering panels retaining concrete during installation of sub-surface public utilities |
| CN102691300B (en) * | 2012-04-18 | 2014-08-13 | 浙江省建工集团有限责任公司 | Construction method of foundation pit earthwork |
| CN103410152B (en) * | 2013-09-05 | 2015-08-19 | 中交公路养护工程技术有限公司 | A kind of construction method for long and narrow deep foundation pit earthwork digging |
| CN204608794U (en) * | 2015-01-22 | 2015-09-02 | 中天建设集团有限公司 | A kind of transhipment mound platform for deep-foundation pit excavation |
| CN204454320U (en) * | 2015-01-30 | 2015-07-08 | 中建海峡建设发展有限公司 | Reverse construction deep foundation pit earthwork digging carries native device |
| CN205061417U (en) * | 2015-10-19 | 2016-03-02 | 中建一局集团建设发展有限公司 | Soil lifting system for construction of deep foundation pit of building in narrow area |
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