CN104631878B - Construction method of aluminum industry casting motor-pumped well - Google Patents

Construction method of aluminum industry casting motor-pumped well Download PDF

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CN104631878B
CN104631878B CN201510012783.XA CN201510012783A CN104631878B CN 104631878 B CN104631878 B CN 104631878B CN 201510012783 A CN201510012783 A CN 201510012783A CN 104631878 B CN104631878 B CN 104631878B
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anchor pole
construction
link plate
foundation
pole portion
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CN104631878A (en
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范华猛
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China 19th Metallurgical Group Co ltd
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China 19th Metallurgical Group Co ltd
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Abstract

The invention relates to a construction method of an aluminum industry casting motor-pumped well, which comprises the steps of excavating foundation pits beside a column foundation in a layered mode, completing excavation of each layer of earthwork, namely performing anchor rod construction on one side, close to the column foundation, of a foundation pit of the layer, and constructing a hanging plate retaining wall; and then, excavating downwards layer by using the same method and arranging the anchor rods and the retaining walls on the layer until the excavation reaches the preset foundation pit depth, and after the foundation pit construction is finished, building a motor-pumped well cushion layer and a motor-pumped well main body at the bottom of the foundation pit. The method maintains the stability of the original building column foundation, does not need concrete pile construction, can transport excavated earthwork out of other side slopes of the foundation pit by using vehicles, does not need earthwork vertical transportation, is simpler and more convenient to construct, and saves cost.

Description

Aluminum casting machine well construction method
Technical field
The present invention relates to Aluminum casting machine well construction method.
Background technology
In aluminium alloy industry, each large-scale Aluminum processing factory, Hang Cai garden etc., the most all can build casting motor-pumped well near factory building. Casting motor-pumped well is that reinforcing bar composite soil builds up, and its agent structure is positioned at below ground level, and vertical height is generally all more than 15 meters, Therefore build casting motor-pumped well to need first to carry out earth excavation formation foundation ditch on ground.
Owing to being to build motor-pumped well near the factory building built, in order to avoid pillar basis structure to factory building during foundation pit construction Becoming impact, existing Aluminum casting machine well construction method can use " reinforced concrete pile surrounding group encloses method for protecting support ", as it is shown in figure 1, This construction method, need to first carry out concrete stake 9 construction and form supporting, be i.e. to build machine at needs on the side of factory building columns subbase plinth 4 The position of well, irrigates many concrete stakes 9 in underground, and all concrete stakes 9 form a circle, and forms pattern foundation pit supporting structure;Then in concrete stake 9 shape In the pattern foundation pit supporting structure become, downward earth excavation.Due to concrete stake 9 supporting reinforcement effect to the underground earthwork, when foundation ditch 7 excavates, It is possible to prevent the earthwork to cave in, protects original pillar basis 4 to consolidate.But concrete stake 9 engineering time is long, costly, this can lead Cause whole engineering cost to increase, and owing to earth excavation needs to carry out, in causing foundation ditch in the range of narrow and small concrete stake 9 supporting The earthwork need to utilize crane vertical transport just can deliver to ground, further increase difficulty of construction and cost.
Summary of the invention
The technical problem to be solved is: provide a kind of new Aluminum casting machine well construction method, is maintaining original building Build pillar basis firm simultaneously, it is not necessary to concrete pile driving construction, it is not required that earthwork vertical transport.
The technical solution adopted for the present invention to solve the technical problems is:
Aluminum casting machine well construction method, the following steps carried out including order:
A, building the downward excavation pit in side, pillar basis, the position of cutting depth to ground floor foundation depth, in foundation ditch Sidewall near pillar basis carries out anchor bolt construction, forms the first anchor pole portion, carries out plate-hanging type gear at the first anchor pole portion place sidewall Cob wall is constructed, and forms the first link plate barricade, the anchor pole in described first anchor pole portion and the first link plate barricade and connects;
Downward earth excavation, the position of cutting depth to second layer foundation depth are continued in B, ground floor foundation depth position in foundation ditch Put, in foundation ditch, near the sidewall on pillar basis and carry out anchor bolt construction less than the position of the first link plate barricade, form the second anchor pole Portion, carries out plate-hanging type retaining wall construction at the second anchor pole portion place sidewall, forms the second link plate barricade, described second anchor pole portion Anchor pole and the second link plate barricade connect;
Downward earth excavation, the position of cutting depth to third layer foundation depth are continued in C, second layer foundation depth position in foundation ditch Put, in foundation ditch, near the sidewall on pillar basis and carry out anchor bolt construction less than the position of the second link plate barricade, form the 3rd anchor pole Portion, carries out plate-hanging type retaining wall construction at the 3rd anchor pole portion place sidewall, forms the 3rd link plate barricade, described 3rd anchor pole portion Anchor pole and the 3rd link plate barricade connect;
The step of D, repetition earth excavation, anchor bolt construction and retaining wall construction forms N anchor pole and N link plate barricade, until base The hole degree of depth reaches preset value;
E, foundation ditch lowest part construct motor-pumped well bed course, on motor-pumped well bed course construct motor-pumped well main body.
Further, in described step A, after anchor bolt construction completes, earth excavation around pillar basis, then at pillar base Pour into a mould concrete around plinth, simultaneously carry out plate-hanging type retaining wall construction at the first anchor pole portion place sidewall, retaining wall construction formation the One link plate barricade, concrete layer and the first link plate barricade of pouring into a mould formation around pillar basis are connected as a single entity.
Further, during described anchor bolt construction, the angle of anchor pole is downward-sloping 10~15 °.
The invention has the beneficial effects as follows: use above-mentioned Aluminum casting machine well construction method, take layer digging when excavation of foundation pit, Every layer of excavation of earthwork completes, and i.e. carries out anchor bolt construction at this layer of foundation ditch near the side on pillar basis, and builds link plate barricade; Then the most successively excavate by same procedure and build until predetermined depth.This method is maintaining original building pillar basis firm Simultaneously, it is not necessary to concrete pile driving construction, the earthwork excavated can utilize vehicle to transport from other side slopes of foundation ditch, it is not necessary to the earthwork is hung down Straight transport, constructs the easiest, and cost-effective.
Accompanying drawing explanation
When Fig. 1 is tradition motor-pumped well construction, use schematic diagram during concrete stake method for protecting support excavation pit;
Fig. 2 is the schematic diagram of a kind of embodiment of motor-pumped well construction method of the present invention;
Fig. 3 is the schematic diagram of the motor-pumped well construction method another kind embodiment of the present invention;
In figure, reference is: motor-pumped well main body 1, motor-pumped well bed course 11, ground floor foundation depth 31, second layer foundation depth 32, Third layer foundation depth 33, the 4th layer of foundation depth 34, the 51, second anchor pole portion 52 of the 4, first anchor pole portion, pillar basis, Three anchor pole portion of anchor pole portion the 53, the 4th 54, first link plate barricade the 61, second link plate barricade the 62, the 3rd link plate barricades the 63, the 4th Link plate barricade 64, foundation ditch 7, concrete stake 9.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings:
Aluminum casting machine well construction method, the following steps carried out including order:
A, building pillar basis the 4 downward excavation pits in side 7, the position of cutting depth to ground floor foundation depth 31, In foundation ditch 7, the sidewall near pillar basis 4 carries out anchor bolt construction, forms the first anchor pole portion 51, in the first institute of anchor pole portion 51 Carrying out plate-hanging type retaining wall construction at sidewall, form the first link plate barricade 61, the anchor pole in described first anchor pole portion 51 and first is hung Plate barricade 61 connects;
Downward earth excavation is continued in B, ground floor foundation depth 31 position in foundation ditch 7, and cutting depth is deep to second layer foundation ditch The position of degree 32, sidewall near pillar basis 4 and carry out anchor pole less than the position of the first link plate barricade 61 and execute in foundation ditch 7 Work, forms the second anchor pole portion 52, carries out plate-hanging type retaining wall construction at the second anchor pole portion 52 place sidewall, forms the second link plate Barricade 62, anchor pole and the second link plate barricade 62 in described second anchor pole portion 52 connect;
Downward earth excavation is continued in C, second layer foundation depth 32 position in foundation ditch 7, and cutting depth is deep to third layer foundation ditch The position of degree 33, sidewall near pillar basis 4 and carry out anchor pole less than the position of the second link plate barricade 62 and execute in foundation ditch 7 Work, forms the 3rd anchor pole portion 53, carries out plate-hanging type retaining wall construction at the 3rd anchor pole portion 53 place sidewall, forms the 3rd link plate Barricade 63, anchor pole and the 3rd link plate barricade 63 in described 3rd anchor pole portion 53 connect;
The step of D, repetition earth excavation, anchor bolt construction and retaining wall construction forms N anchor pole and N link plate barricade, until base Cheat 7 degree of depth and reach preset value;
E, foundation ditch 7 lowest part construct motor-pumped well bed course 11, on motor-pumped well bed course 11 construct motor-pumped well main body 1.
The machine well construction method, the described pillar basis 4 downward excavation pits in side 7 in building, refer to what foundation ditch 7 excavated Place is selected to be in the region that can have influence on original pillar basis 4 stability.
Owing to not using underground to pour into the mode of concrete stake to consolidate the earthwork of foundation ditch 7, in order to avoid during earth excavation to original factory Building pillar basis, room 4 constitutes impact, after completing one layer of earth excavation, i.e. at the foundation ditch 7 sidewall near original pillar basis 4 Carry out anchor bolt construction, then carry out retaining wall construction again at the foundation ditch 7 sidewall near pillar basis 4, form link plate barricade, fill The anchor pole and the link plate barricade that enter foundation ditch 7 sidewall can maintain the place sidewall earthwork stable.According to above-mentioned identical method successively to Lower excavation, makes foundation ditch 7 degree of depth be stepped up, and every layer of excavation completes all to arrange anchor pole and link plate at the sidewall near pillar basis 4 Barricade, until foundation ditch 7 reaches default foundation depth.Finally build motor-pumped well in foundation ditch 7 bottom.
Concrete, can be as in figure 2 it is shown, first in the earthwork of the pillar basis 4 downward excavation pits in side 7 of factory building, first The degree of depth of secondary excavation is to the position of ground floor foundation depth 31.
Then in foundation ditch 7, the sidewall on close pillar basis 4 carries out anchor bolt construction, forms the first anchor pole portion 51, is i.e. at foundation ditch The Side wall drill deep hole on close pillar basis 4 in 7, implants the tensile materials such as reinforcing bar, steel pipe, steel strand wires in deep hole, then pours into The chemical grout of anchor bolt construction or cement mortar etc..During anchor bolt construction, it should determine the total quantity of anchor pole according to actual conditions, relatively Many anchor poles are conducive to increasing the steadiness of this sidewall, but can increase construction cost, and all anchor poles of this layer form the first anchor pole portion 51。
Then carry out plate-hanging type retaining wall construction at the first anchor pole portion 51 place sidewall, be i.e. at the first anchor pole portion 51 place sidewall Carry out binding the operations such as reinforcing bar, installation form, cast concrete, form the first link plate barricade 61, described first anchor pole portion 51 Anchor pole and the first link plate barricade 61 connect, be i.e. to allow the bar construction within anchor pole and the first link plate barricade 61 connect, make gear The earthwork pressure that wall is subject to can be shared by anchor pole.So far the ground floor excavation build of foundation ditch completes, the first link plate gear in foundation ditch 7 Other sidewalls outside wall 61 can be according to general Slope Treatment, and the side slope that the gradient is relatively delayed may be used for vehicle traveling and sends foundation ditch 7 In the earthwork, the side slope that the gradient is steeper, it is also possible to build retaining wall and add and protect.
Excavate followed by the second layer of foundation ditch and build, be i.e. ground floor foundation depth 31 position in foundation ditch 7 continue to Lower earth excavation, the position of cutting depth to second layer foundation depth 32;The same sidewall under the first link plate barricade 61 enters Row anchor bolt construction, forms the second anchor pole portion 52, carries out plate-hanging type retaining wall construction at the second anchor pole portion 52 place sidewall, is formed Second link plate barricade 62, described second anchor pole portion 52 is connected with the second link plate barricade 62.
The second layer of foundation ditch excavates and builds is to use to excavate the same procedure built, to ground floor foundation depth less than 31 with ground floor Excavating, after reaching second layer foundation depth 32 position, in foundation ditch 7, the sidewall on close pillar basis 4 carries out the anchor of this layer Bar construction and Retaining wall, form the second anchor pole portion 52 and the second link plate barricade 62.Second anchor pole portion 52 and the second link plate barricade The steadiness of 62 this layer of earthwork that can increase foundation ditch 7.
Follow-up, earth excavation, anchor bolt construction and the step of retaining wall construction can be repeated according to method same as before, until The foundation ditch 7 of predetermined depth excavates build and completes.
So-called repetition earth excavation, anchor bolt construction and retaining wall construction, be i.e. the N-1 layer foundation depth position in foundation ditch 7 Putting the downward earth excavation of continuation, the position of cutting depth to n-th layer foundation depth, near the side on pillar basis 4 in foundation ditch 7 Wall and carry out anchor bolt construction less than the position of N-1 link plate barricade, forms N anchor pole portion, and in N anchor pole portion, place sidewall enters Row plate-hanging type retaining wall is constructed, and forms N link plate barricade, the anchor pole in described N anchor pole portion and N link plate barricade and connects.
Downward earth excavation is continued in such as second layer foundation depth 32 position in foundation ditch 7, and cutting depth is deep to third layer foundation ditch The position of degree 33, sidewall near pillar basis 4 and carry out anchor pole less than the position of the second link plate barricade 62 and execute in foundation ditch 7 Work, forms the 3rd anchor pole portion 53, carries out plate-hanging type retaining wall construction at the 3rd anchor pole portion 53 place sidewall, forms the 3rd link plate Barricade 63, anchor pole and the 3rd link plate barricade 63 in described 3rd anchor pole portion 53 connect.
If having reached default foundation ditch 7 degree of depth, then can carry out described step E, at foundation ditch 7 lowest part construction machine Well bed course 11, motor-pumped well main body 1 of constructing on motor-pumped well bed course 11, whole motor-pumped well has been constructed.If being also not up to foundation ditch 7 to preset The degree of depth, then can be that downward earth excavation, cutting depth to the 4th layer are continued in third layer foundation depth 33 position in foundation ditch 7 The position of foundation depth 34, in foundation ditch 7, the sidewall near pillar basis 4 and the position less than the 3rd link plate barricade 63 are carried out Anchor bolt construction, forms the 4th anchor pole portion 54, carries out plate-hanging type retaining wall construction at the 4th anchor pole portion 54 place sidewall, forms the Four link plate barricades 64, anchor pole and the 4th link plate barricade 64 in described 4th anchor pole portion 54 connect, until foundation ditch 7 degree of depth reaches pre- If value, then carry out described step E.
In this construction method, anchor pole can be preferably downward-sloping 10~15 ° in the angle that foundation ditch 7 sidewall is installed, and is conducive to Grouting procedure during anchor bolt construction, and there is preferable anchor force.During the layer digging of foundation ditch 7, each excavating depth should Selecting according to on-the-spot actual conditions, the degree of depth of driving is the fewest every time, is more conducive to maintaining the earthwork around pillar basis 4 stable Property, but also can increase the number of times of layer digging.
In order to make the earth around the first link plate barricade 61 and pillar basis 4 more firm, preferably it may be that in described step A, After anchor bolt construction completes, earth excavation around pillar basis 4, then around pillar basis 4, pour into a mould concrete, exist simultaneously First anchor pole portion 51 carries out plate-hanging type retaining wall construction at sidewall, and retaining wall construction forms the first link plate barricade 61, pillar basis 4 Concrete layer and the first link plate barricade 61 that cast around is formed are connected as a single entity.
As it is shown on figure 3, the earth excavation degree of depth can be 10~30cm around pillar basis 4, it is to avoid affect pillar basis 4 former Some steadiness, pillar basis 4 around excavation in the range of and the first anchor pole portion 51 place sidewall be respectively provided with necessity reinforcing bar, The template of cast is installed, then pours into a mould concrete so that the concrete layer of pillar basis 4 surrounding cast formation and the first link plate Barricade 61 is connected as a single entity.

Claims (3)

1. Aluminum casting machine well construction method, it is characterised in that include the following steps that carry out of order:
A, building pillar basis the downward excavation pit in (4) side (7), cutting depth to ground floor foundation depth (31) Position, in foundation ditch (7) near pillar basis (4) sidewall carry out anchor bolt construction, form the first anchor pole portion (51), First anchor pole portion (51) place sidewall carries out plate-hanging type retaining wall construction, forms the first link plate barricade (61), described first anchor pole The anchor pole in portion (51) and the first link plate barricade (61) connect;
Downward earth excavation is continued in B, ground floor foundation depth (31) position in foundation ditch (7), and cutting depth is to the second layer The position of foundation depth (32), near the sidewall of pillar basis (4) and less than the first link plate barricade (61) in foundation ditch (7) Position carry out anchor bolt construction, form the second anchor pole portion (52), the second anchor pole portion (52) place sidewall carry out plate-hanging type gear soil Wall is constructed, and forms the second link plate barricade (62), the anchor pole in described second anchor pole portion (52) and the second link plate barricade (62) and connects;
Downward earth excavation is continued in C, second layer foundation depth (32) position in foundation ditch (7), and cutting depth is to third layer The position of foundation depth (33), near the sidewall of pillar basis (4) and less than the second link plate barricade (62) in foundation ditch (7) Position carry out anchor bolt construction, form the 3rd anchor pole portion (53), carry out plate-hanging type gear soil at the 3rd anchor pole portion (53) place sidewall Wall is constructed, and forms the 3rd link plate barricade (63), the anchor pole in described 3rd anchor pole portion (53) and the 3rd link plate barricade (63) and connects;
The step of D, repetition earth excavation, anchor bolt construction and retaining wall construction forms N anchor pole and N link plate barricade, until base Hole (7) degree of depth reaches preset value;
E, at foundation ditch (7) lowest part construction motor-pumped well bed course (11), at motor-pumped well bed course (11) upper construction motor-pumped well main body (1).
2. Aluminum casting machine well construction method as claimed in claim 1, it is characterised in that in described step A, anchor bolt construction After completing, at pillar basis (4) earth excavation around, then at pillar basis (4) cast concrete around, while the One anchor pole portion (51) place sidewall carries out plate-hanging type retaining wall construction, and retaining wall construction forms the first link plate barricade (61), pillar Basis (4) concrete layer and the first link plate barricade (61) that around cast is formed are connected as a single entity.
3. Aluminum casting machine well construction method as claimed in claim 1, it is characterised in that during described anchor bolt construction, anchor pole Angle is downward-sloping 10~15 °.
CN201510012783.XA 2015-01-09 2015-01-09 Construction method of aluminum industry casting motor-pumped well Active CN104631878B (en)

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CN107858934A (en) * 2017-12-13 2018-03-30 中铁二十三局集团有限公司 The small spacing abutment constructing structure and its construction method of neighbouring running railway line

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3215153A1 (en) * 1982-04-23 1983-11-03 Beratende Ingenieure VBI Frank-Kauer-Raffelt GmbH, 8012 Ottobrunn Retaining structure and method of producing a retaining structure
CN102330436A (en) * 2011-07-05 2012-01-25 中冶天工上海十三冶建设有限公司 Composite retaining structure and composite retaining method for half geotechnical layer ultradeep round spiral flow tank
CN102587390A (en) * 2012-03-23 2012-07-18 广州中煤江南基础工程公司 Outside-enhanced retaining supporting structure
CN102635119A (en) * 2012-04-24 2012-08-15 天津二十冶建设有限公司 Supporting method for construction of swirl well

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3215153A1 (en) * 1982-04-23 1983-11-03 Beratende Ingenieure VBI Frank-Kauer-Raffelt GmbH, 8012 Ottobrunn Retaining structure and method of producing a retaining structure
CN102330436A (en) * 2011-07-05 2012-01-25 中冶天工上海十三冶建设有限公司 Composite retaining structure and composite retaining method for half geotechnical layer ultradeep round spiral flow tank
CN102587390A (en) * 2012-03-23 2012-07-18 广州中煤江南基础工程公司 Outside-enhanced retaining supporting structure
CN102635119A (en) * 2012-04-24 2012-08-15 天津二十冶建设有限公司 Supporting method for construction of swirl well

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