CN105986830A - Underground-excavation building method for roadside strip-shaped underground garage - Google Patents

Underground-excavation building method for roadside strip-shaped underground garage Download PDF

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Publication number
CN105986830A
CN105986830A CN201510084349.2A CN201510084349A CN105986830A CN 105986830 A CN105986830 A CN 105986830A CN 201510084349 A CN201510084349 A CN 201510084349A CN 105986830 A CN105986830 A CN 105986830A
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underground garage
steel
construction
vehicle
underground
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CN105986830B (en
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涓ュ钩
严平
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Hangzhou Nanlian Base Foundation Engineering Co Ltd
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Hangzhou Nanlian Base Foundation Engineering Co Ltd
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Abstract

The invention discloses an underground-excavation building method for a roadside strip-shaped underground garage. The underground garage comprises a vehicle exit and entrance and a parking zone with a long-strip-shaped horizontal section. The building method mainly includes the following construction steps that after tunneling by a certain distance, a horizontal cross rod is welded generally on 3-5 sectional steel supports according to the soil property, spliced type small steel plates are mounted between the sectional steel supports to form a bottom mold, concrete is poured, and grouting pipes are reserved at intervals; and after the poured concrete reaches a certain strength, pressure grouting is carried out to compact a top plate and a soil body on the upper portion, and therefore a top plate of a sectional steel framework concrete structure of the underground garage is formed. The spliced type sectional steel supporting method is adopted, operability is high, construction is safe and rapid, the quality is easy to control, the influence on traffic and dismantling and modifying of underground pipelines can be reduced, the comprehensive benefits are remarkable, and the underground-excavation building method for the roadside strip-shaped underground garage has important engineering application value and development prospects.

Description

The tunneling method of construction of roadside strip underground garage
Technical field
The present invention relates to the method for construction of underground garage in construction, particularly relate to a kind of roadside strip The tunneling method of construction of underground garage.
Background technology
With fast development social in recent years, people's income is continuously increased, and is improved by buying automobile The family of living standard quality also gets more and more.According to incompletely statistics, ended for the end of the year 2014, the whole nation The vehicle guaranteeding organic quantity having reaches 2.64 hundred million, wherein 1.54 hundred million, automobile.
But a large amount of uses of automobile, also bring series of problems to society, such as: environmental pollution, Traffic jam, difficulty etc. of stopping.Owing to urban land area is certain, population is concentrated in a large number, particularly Urban central zone, the automobile of traveling generally requires and takes a significant amount of time searching parking stall, and city is native Ground area is limited, and land values are high, and the soil for building parking stall is very limited, on ground, city There is again great danger on face overhead construction parking stall, therefore by the exploitation underground space, increases city The quantity of vehicle parking space, becomes people and solves a kind of feasible method of city parking difficulty.
Obtain the roadside strip full-automatic lifting formula ground of the Application No. 201420633332.9 of mandate The underground garage that roadside strip people's car of Underground Garage and Application No. 201420633334.8 is upper and lower altogether is public Having opened three kinds of technical schemes with regard to roadside strip underground garage, this type of technical scheme is for solving City automobile stop difficulty problem and propose, but above-mentioned patent is got off with only disclosing roadside strip The structure in storehouse, for the method for construction of roadside strip underground garage but without reference to therefore the present invention is Solve the construction problem of roadside strip underground garage and propose new technical scheme.
Content of the invention
The invention provides the tunneling method of construction of a kind of roadside strip underground garage, solve urban district road In road, pipeline, circuit are numerous, the problem that conventional excavation method of construction is easily destroyed pipeline.
The tunneling method of construction of a kind of roadside strip underground garage, described underground garage includes that vehicle goes out The district that parks of the elongated shape of entrance and horizontal cross-section, main construction procedure is as follows:
1), along underground garage foundation ditch field construction one surrounding fender pile wall;Described piling wall of going along with sb. to guard him is embedded with The steel plate connecting;When piling wall is gone along with sb. to guard him in construction, pre-buried steel plate is near foundation ditch disposed inboard;
Get off the vehicle in and out port region of village, often used in village names on ground and the top of district's intersection of parking sets multiple rows of stirring Stake or rotary churning pile, form cement-soil gravity type retaining wall, is used as vehicle in and out port region opening at intersection Dig and go along with sb. to guard him;
2), the top capping beam of Construction traffic gate area, is excavated to downwards underground garage one layer top At floor elevation, pour the vehicle in and out port region waling fine strain of millet of one week;The rectangular closing of waling fine strain of millet plane Shape, makes to play this layer of supporting role;
3), laterally tunnel along the district that parks by vehicle in and out port region, tunnel according to soil nature situation limit Spliced type steel support is installed on limit;
4), when driving certain distance, regard general 3~5 Pin type steel supports of soil nature as a collection of, welding water Flat cross bar, installs inlaid type steel platelet between each Pin type steel support and forms bed die, pour concrete, and be spaced Reserved Grouting Pipe, concrete to be poured reaches some strength pressured post grouting to be made between top board and the top soil body close Real, form the top board of the type firm skeleton concrete structure of underground garage;
5), repeat step 3), 4), so tunnel continuously, spliced type steel support, in batches be installed Install described bed die, pre-buried after-pouring wallboard connects joint bar, pour concrete, slip casting, finally completes underground Shed deckhead;
6), vehicle in and out port is excavated to one layer of base surface absolute altitude of underground garage, pours vehicle in and out port district The closing waling beam in territory, inwardly excavates this above soil body of base surface absolute altitude, entirely along the district that parks simultaneously Face, construction completes one layer of base plate of underground garage;
One layer of base plate of described underground garage, along going along with sb. to guard him between the every two rhizosphere fender piles in piling wall edge, or every two A back pouring hole reserved by rhizosphere fender pile;
7), continue excavation downwards from vehicle in and out port, to the floor absolute altitude of next layer of underground garage, to pour The vehicle in and out port region waling fine strain of millet of one week, inwardly excavates more than this floor plate absolute altitude soil along the district that parks Body, ground grading, with described step 6) constructing completes this floor plate, reserved back pouring hole;
8), continuing excavation downwards from vehicle in and out port and cheating the end to underground garage, one-piece casting vehicle comes in and goes out Mouthful and strip park the reinforced concrete base plate in district, then from bottom to top, be successively close to go along with sb. to guard him piling wall and pour ground Floor is reserved the teeming of back pouring hole region simultaneously and is built by Underground Garage exterior wall, until connecting top board, and intersection Carry out slip casing by pressure to guarantee to seal, so complete underground garage structure construction.
This goes along with sb. to guard him piling wall and uses self-developing cement mixing or churning to loosen soil formation soil cement curtain, Implanting fender post while construction soil cement curtain, soil cement forms after condensing and goes along with sb. to guard him piling wall, fender post Use the I-shaped stake of prefabricated reinforced concrete or open diamonds stake for general.These prefabricated fender post tables implanted Face is pre-buried for the spliced type steel support steel plate of connection towards side root Ju designed elevation in hole.In addition Soil cement curtain can also be used to add the method for cast-in-situ bored pile.
Vehicle in and out port is typically chosen at the less road surface of pipeline, finishes with the construction of Underground Garage easily Resuming work of rear line, reduces the impact on nearby residents life simultaneously as far as possible.When there being two vehicles During gateway, can tunnel in opposite directions, the soil body is transported by the lifting of vehicle in and out port region, to improve work simultaneously Effect.
Step 3) in laterally tunnel along the district that parks by vehicle in and out port region, the position position of driving It in floor elevation bottom, underground garage one layer top certain distance, is advisable with convenient construction personnel construction.Execute Workman person should cut the following partial retaining wall of one layer of top elevation of underground garage and earth.
Excavation scope is with the pre-buried steel plate in prefabricated pile surface that exposes both sides, district of parking and implant and excavation portion Divide the above earth of top elevation not cave in be as the criterion.
Step 3) in type steel support include Steel Structure, connector and diagonal brace;
At the district one floor top elevation of parking having excavated, Steel Structure is two, wherein one end respectively with The Interal fixation that both sides fender post has exposed within the walls connects;The other end is interfixed even by connector Connect, make two Steel Structure become one;
Diagonal brace is two, is connected with Steel Structure and other Interal fixation having exposed respectively, make diagonal brace, Steel Structure, fender post form two triangles, it is ensured that on Steel Structure can be resisted under the support of diagonal brace Portion's soil pressure, prevents from caving in.Described fender post is prefabricated pile or drilled pile.
Step 6) in one layer of base plate of construction ground Underground Garage, the whole plate of reinforced concrete or floor form can be used The floor of construction ground Underground Garage;Or the construction spliced support of floor, lays on floor type bracing members Bar-mat reinforcement, along the zone line of strip underground garage with floor absolute altitude soil as mould, pouring reinforcement concrete building plate Make each Pin independence floor type bracing members form entirety, reserve rear pouring concrete along strip underground garage enclosure wall Band, but floor muscle stretches out, and it is convenient to provide for later stage pouring garage exterior wall.
Vehicle in and out port region carries out vehicle transport except lift well of can constructing, can be with Construction traffic Traveling lane connects each layer of underground garage, facilitates vehicles while passing.
Except such scheme, roadside strip underground garage may be used without that half open cut is inverse makees method of construction, executes Work method is analogous to tunneling method of construction.Difference is to get off with being excavated to downwards from vehicle in and out port region Storehouse first floor plate top mark eminence, laterally tunnels along bar shaped underground garage and excavates underground garage first floor plate top The above soil body of absolute altitude, casting concrete, after construction completes above-mentioned floor, recovery pipeline, backfilled with earth, Subsequent construction method such as tunneling method of construction.
Beneficial effects of the present invention:
1st, owing to roadside strip underground garage is positioned at urban road limit, and urban road and neighboring area There is many pipelines, circuit, if use normal excavation mode of construction can to the resident living of periphery, Business activity causes suitable impact, and uses tunneling method of construction can avoid constructing below to road Pipeline causes damage, and decreases economic loss;
2nd, owing to tunneling method of construction is except affecting periphery traffic when excavating downwards at vehicle in and out port, Other construction activities are all carried out below road, do not affect top personnel activity, therefore the technical program During construction, periphery is affected less;
3rd, tunneling method of construction of constructing needs to implant supporting fender post, and fender post is prefabricated pile, subtracts Lack the engineering time;Fender post is spaced less, is linked to be by soil cement curtain and goes along with sb. to guard him piling wall, Go along with sb. to guard him piling wall one wall multiplex, can resist the water and soil lateral pressure outside foundation ditch, also can support type bracing members, Type steel support is enable to resist the earth pressure on one layer of top board of underground garage;
4th, spliced type steel support method is used, workable, construction safety, quick, quality Easily controllable, tearing down and reconstructing of the impact on traffic and underground utilities can be reduced, comprehensive benefit is notable, has Important engineer applied is worth and development prospect.
Brief description
Fig. 1 a-1c is that the present invention implements to set the structural representation going along with sb. to guard him piling wall in row 1;
Fig. 2 a-2c is the structure of vehicle in and out port region capping beam and waling beam in the embodiment of the present invention 1 Schematic diagram;
Fig. 3 a-3c is the structural representation of one layer of top board of underground garage in the embodiment of the present invention 1;
Fig. 4 a-4c is the structural representation of one layer of base plate of underground garage in the embodiment of the present invention 1;
Fig. 5 a-5b is the structural representation of two layers of base plate of underground garage in the embodiment of the present invention 1;
Fig. 6 a-6b is the structural representation of underground garage exterior wall in the embodiment of the present invention 1.
Detailed description of the invention
Embodiment 1
As shown in Fig. 1 a-6b, the tunneling method of construction of a kind of roadside strip underground garage, described ground Underground Garage includes the district 2 that parks of the elongated shape of vehicle in and out port 1 and horizontal cross-section, main construction step Rapid as follows:
1), along underground garage foundation ditch field construction one surrounding fender pile wall;Go along with sb. to guard him piling wall and use self-developing Cement mixing or churning loosen soil and form soil cement curtain, implant pre-while constructing soil cement curtain The I-shaped stake of reinforced concrete processed or open diamonds stake, soil cement forms enclosure wall after condensing.These are implanted Prefabricated fender post 13 surface is pre-buried for connecting spliced shaped steel towards side root Ju designed elevation in hole Support steel plate.
Get off the vehicle in and out port region of village, often used in village names on ground and the top of district's intersection of parking sets multiple rows of stirring Stake or rotary churning pile, form cement-soil gravity type retaining wall 3, is used as vehicle in and out port 1 region at intersection Excavating.
2), the top capping beam 4 of Construction traffic gate area, is excavated to downwards underground garage one layer At the floor elevation of top, pour the vehicle in and out port region waling fine strain of millet 5 of one week;Waling fine strain of millet 5 plane is square Shape closed shape, makes to play this layer of supporting role;
3), laterally tunnel, according to soil nature situation limit along the district 2 that parks by vehicle in and out port 1 region Spliced type steel support is installed on driving limit;During driving, top board face, one layer of workmen garage located underground Absolute altitude, with next people deep left and right construction, cuts partial retaining wall and earth, and both sides, district of parking is gone along with sb. to guard him The steel plate that in piling wall, prefabricated pile surface is pre-buried exposes.
4), when driving certain distance, regard general 3~5 Pin type steel supports of soil nature as a collection of, welding water Flat cross bar, installs inlaid type steel platelet between each Pin type steel support and forms bed die, pour concrete, and be spaced Reserved Grouting Pipe, concrete to be poured reaches some strength pressured post grouting to be made between top board and the top soil body close Real, form the top board 10 of the type firm skeleton concrete structure of underground garage;
5), repeat step 3), 4), so tunnel continuously, spliced type steel support, in batches be installed Install described bed die, pre-buried after-pouring wallboard connects joint bar, pour concrete, slip casting, finally completes underground Shed deckhead 10;
6), vehicle in and out port 1 is excavated to one layer of base plate 6 face absolute altitude of underground garage, pours vehicle and comes in and goes out The closing waling beam of port area, inwardly excavates this above soil body of base surface absolute altitude along the district that parks simultaneously, flat Whole ground, formwork, lay bar-mat reinforcement, casting concrete, construction completes one layer of base plate 6 of underground garage;
One layer of base plate of underground garage, edge is gone along with sb. to guard him between the every two rhizosphere fender piles in piling wall edge, or is protected every two rhizospheres The reserved back pouring hole 7 of stake;
7), continue excavation downwards from vehicle in and out port, to the floor absolute altitude of next layer of underground garage, to pour The vehicle in and out port region waling fine strain of millet of one week, inwardly excavates more than this floor plate absolute altitude soil along the district that parks Body, ground grading, formwork, lay bar-mat reinforcement, casting concrete, construction completes this floor plate, in advance Stay back pouring hole 7;
8), continuing to excavate downwards the underground garage hole end from vehicle in and out port 1, one-piece casting vehicle goes out Entrance and strip are parked the reinforced concrete base plate 8 in district, then from bottom to top, are successively close to go along with sb. to guard him piling wall and water Build underground garage exterior wall 9, floor is reserved the teeming of back pouring hole region simultaneously and build, until connecting top board 10, Intersection carries out slip casing by pressure and guarantees to seal, and so completes underground garage structure construction.
Above-mentioned spliced type steel support includes Steel Structure the 11st, connector and diagonal brace 12;Steel Structure is two Root, the Interal fixation that wherein one end has exposed within the walls with both sides fender post respectively is connected;The other end passes through Connector is mutually permanently connected, and makes two Steel Structure become one.
Diagonal brace 12 is two, is connected with Steel Structure 11 and other Interal fixation having exposed respectively, makes Diagonal brace, Steel Structure, fender post 13 form two triangles, it is ensured that Steel Structure is under the support of diagonal brace Top soil pressure can be resisted, prevent from caving in.
Vehicle in and out port region carries out vehicle transport except lift well of can constructing, can be with Construction traffic Traveling lane connects each layer of underground garage, facilitates vehicles while passing.

Claims (2)

1. a tunneling method of construction for roadside strip underground garage, described underground garage includes car The district that parks (2) of the elongated shape in gateway (1) and horizontal cross-section, it is characterised in that:
Main construction procedure is as follows:
1), along underground garage foundation ditch field construction one surrounding fender pile wall;Described piling wall of going along with sb. to guard him is embedded with The steel plate connecting;When piling wall is gone along with sb. to guard him in construction, pre-buried steel plate is near foundation ditch disposed inboard;
Get off vehicle in and out port (1) region of village, often used in village names on ground and the top of district's intersection of parking sets multiple rows of Mixing pile or rotary churning pile, form cement-soil gravity type retaining wall (3), is used as vehicle in and out port region and is handing over Excavating at boundary;
2), the top capping beam (4) of Construction traffic gate area, is excavated to downwards underground garage one At the floor elevation of layer top, pour the vehicle in and out port region waling fine strain of millet (5) of one week;Waling fine strain of millet plane in Rectangular closed shape, makes to play this layer of supporting role;
3), laterally tunnel, according to soil nature along the district (2) that parks by vehicle in and out port (1) region Spliced type steel support is installed on situation limit driving limit;
4), when driving certain distance, regard general 3~5 Pin type steel supports of soil nature as a collection of, welding water Flat cross bar, installs inlaid type steel platelet between each Pin type steel support and forms bed die, pour concrete, and be spaced Reserved Grouting Pipe, concrete to be poured reaches some strength pressured post grouting to be made between top board and the top soil body close Real, form the top board (10) of the type firm skeleton concrete structure of underground garage;
5), repeat step 3), 4), so tunnel continuously, spliced type steel support, in batches be installed Install described bed die, pre-buried after-pouring wallboard connects joint bar, pour concrete, slip casting, finally completes underground Shed deckhead;
6), vehicle in and out port is excavated to one layer of base surface absolute altitude of underground garage, pours vehicle in and out port district The closing waling beam in territory, inwardly excavates this above soil body of base surface absolute altitude, entirely along the district that parks simultaneously Face, construction completes one layer of base plate (6) of underground garage;
One layer of base plate of described underground garage, along going along with sb. to guard him between the every two rhizosphere fender piles in piling wall edge, or every two A back pouring hole reserved by rhizosphere fender pile;
7), continue excavation downwards from vehicle in and out port, to the floor absolute altitude of next layer of underground garage, to pour The vehicle in and out port region waling fine strain of millet of one week, inwardly excavates more than this floor plate absolute altitude soil along the district that parks Body, ground grading, with described step 6) constructing completes this floor plate, reserved back pouring hole (7);
8), continuing excavation downwards from vehicle in and out port and cheating the end to underground garage, one-piece casting vehicle comes in and goes out Mouthful and strip park the reinforced concrete base plate (8) in district, then from bottom to top, be successively close to go along with sb. to guard him piling wall and water Build underground garage exterior wall (9), floor is reserved back pouring hole (7) region teeming simultaneously and build, until connecing Upper plate (10), intersection carries out slip casing by pressure and guarantees to seal, so completes underground garage structure and execute Work.
2. the tunneling method of construction of roadside according to claim 1 strip underground garage, it is special Levy and be: described step 3) in type steel support include Steel Structure (11), connector and diagonal brace (12);
At the district one floor top elevation of parking having excavated, described Steel Structure is two, and wherein one end is divided It is not connected with the Interal fixation that both sides fender post has exposed within the walls;
The other end is mutually permanently connected by connector, makes two Steel Structure become one;
Described diagonal brace is two, is connected with Steel Structure and other Interal fixation having exposed respectively, makes Diagonal brace, Steel Structure, fender post (13) form two triangles, it is ensured that Steel Structure is in the support of diagonal brace Under can resist top soil pressure, prevent from caving in.
CN201510084349.2A 2015-02-13 2015-02-13 The tunneling method of construction of roadside strip underground garage Active CN105986830B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424001A (en) * 2017-08-22 2019-03-05 浙江绩丰岩土技术股份有限公司 A kind of the prefabricated foundation pit enclosure and its method of construction of environment-friendly type underground garage
CN109778906A (en) * 2019-01-31 2019-05-21 重庆科技学院 The construction method of the small-sized material storage room in underground

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101255702A (en) * 2008-02-29 2008-09-03 刘志宏 Method for mining construction of inverse practicing project using carriageway method
CN102777066A (en) * 2012-08-13 2012-11-14 杭州南联土木工程科技有限公司 Spiral-tunneling reverse construction method of bucket-shaped screw-type underground garage
CN102777065A (en) * 2012-08-13 2012-11-14 杭州南联地基基础工程有限公司 Reverse building method for lifting-type bucket-shaped underground garage
CN204139677U (en) * 2014-01-06 2015-02-04 杭州南联地基基础工程有限公司 The underground garage that roadside strip people car is upper and lower altogether
CN204139676U (en) * 2014-01-06 2015-02-04 杭州南联地基基础工程有限公司 Roadside strip full-automatic lifting formula underground garage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101255702A (en) * 2008-02-29 2008-09-03 刘志宏 Method for mining construction of inverse practicing project using carriageway method
CN102777066A (en) * 2012-08-13 2012-11-14 杭州南联土木工程科技有限公司 Spiral-tunneling reverse construction method of bucket-shaped screw-type underground garage
CN102777065A (en) * 2012-08-13 2012-11-14 杭州南联地基基础工程有限公司 Reverse building method for lifting-type bucket-shaped underground garage
CN204139677U (en) * 2014-01-06 2015-02-04 杭州南联地基基础工程有限公司 The underground garage that roadside strip people car is upper and lower altogether
CN204139676U (en) * 2014-01-06 2015-02-04 杭州南联地基基础工程有限公司 Roadside strip full-automatic lifting formula underground garage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424001A (en) * 2017-08-22 2019-03-05 浙江绩丰岩土技术股份有限公司 A kind of the prefabricated foundation pit enclosure and its method of construction of environment-friendly type underground garage
CN109778906A (en) * 2019-01-31 2019-05-21 重庆科技学院 The construction method of the small-sized material storage room in underground

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