CN101956395A - Base board for reducing deformation at periphery of base pit and construction method thereof - Google Patents
Base board for reducing deformation at periphery of base pit and construction method thereof Download PDFInfo
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- CN101956395A CN101956395A CN2010105249559A CN201010524955A CN101956395A CN 101956395 A CN101956395 A CN 101956395A CN 2010105249559 A CN2010105249559 A CN 2010105249559A CN 201010524955 A CN201010524955 A CN 201010524955A CN 101956395 A CN101956395 A CN 101956395A
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Abstract
The invention discloses a base board for reducing the deformation at the periphery of a base pit, which is arranged in a base pit surrounded by a building envelope. The base board comprises a base board mat layer and a base board structure, wherein the base board mat layer comprises a middle base board mat layer positioned in the middle of the base pit and a reinforcement thickening mat layer positioned at the periphery of the base pit; the middle base board mat layer is fixedly connected with the reinforcement thickening mat layer through a building envelope; the base board structure comprises a middle base board structure and a periphery base board structure; the middle base board structure is positioned above the middle base board mat layer; and the periphery base board structure is positioned above the reinforcement thickening mat layer. The invention also discloses a base board construction method for reducing the deformation at the periphery of a base pit. The middle base mat layer and the reinforcement thickening mat layer are respectively formed by dividing the base board mat layer so as to effectively reduce the excavation area of a base pit. Thereby, the deformations of the building envelop structure and peripheral facilities of a base pit are reduced. The reinforcement thickening mat layer is formed by spacing in a sprouting and digging method, and can form powerful support to the building envelop structure and peripheral facilities of a base pit so as to further reduce the deformation.
Description
Technical field
The present invention relates to the foundation pit construction field, relate in particular to a kind of base plate and job practices thereof.
Background technology
See also Fig. 1, shown in Figure 1 is the structural representation of existing base plate.Existing base plate comprises base plate bed course and base arrangement, and described base arrangement is positioned at the top of described base plate bed course.The formation method of described base plate comprises the steps:
At first, cut the earth, the soil in the foundation ditch is all dug up; Then, form the base plate bed course 10 of monoblock, described base plate bed course 10 is plain concrete cushion layer; At last, build the base arrangement 20 that forms monoblock at this base plate bed course top-pour.
The shortcoming of above-mentioned base plate and job practices thereof is, because the base plate bed course is integrally formed, therefore, must be before the base plate bed course forms the soil in the foundation ditch be all dug up and transport, thereby at this moment, the excavation face of foundation ditch is maximum.And the foundation ditch face is big more, and space enclosing structure of foundation ditch (as diaphragm wall) and peripheral suffered support force thereof are more little, easy more deforming.And, before the base arrangement construction, only support the space enclosing structure of foundation ditch by the base plate bed course, but, the base plate bed course relatively approaches and is plain concrete cushion layer, and therefore, its rigidity is very limited, can't support the space enclosing structure of foundation ditch effectively, the space enclosing structure of foundation ditch and peripheral facility easy deformation thereof.
Thereby, the soil in foundation ditch scoop away all that base plate builds during this period of time in, the deformation ratio of foundation ditch and peripheral facility thereof is more serious.Thisly whole cut the earth, the method for integral construction base plate bed course and integral construction base arrangement, will certainly make that the foundation ditch exposed area is bigger, foundation ditch open-assembly time is longer, thereby makes foundation ditch and peripheral facility distortion aggravation thereof.So, not only influence workmanship, and very easily jeopardize the safety of the facility or the building of foundation ditch periphery.
Therefore, how providing a kind of base plate and job practices thereof that reduces the foundation ditch peripheral distortion is the technical problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
The invention provides a kind of base plate that reduces the foundation ditch peripheral distortion, by its base plate bed course being divided into middle part base plate bed course and thickening arrangement of reinforcement bed course, base arrangement is divided into middle part base arrangement and peripheral base arrangement, and form by the back of cutting the earth respectively, thereby, can reduce the foundation ditch exposed area, thereby effectively slow down the distortion of foundation ditch and peripheral facility.The present invention provides a kind of base plate job practices that reduces the foundation ditch peripheral distortion simultaneously, by base plate bed course and base arrangement are separately formed, can reduce the foundation ditch exposed area, by piecemeal stripping construction thickening arrangement of reinforcement bed course, and be connected with the middle part base arrangement with middle part base plate bed course, improve the support force of base plate bed course, thereby effectively slow down foundation ditch and peripheral facility and building deformation.
A kind of base plate that reduces the foundation ditch peripheral distortion, be used for laying base plate by the foundation ditch that space enclosing structure surrounded, base plate comprises base plate bed course and base arrangement, described base plate bed course comprises the middle part base plate bed course that is positioned at the foundation ditch middle part and is positioned at foundation ditch arrangement of reinforcement thickening bed course all around, fixedly connected between described middle part base plate bed course and the described space enclosing structure by arrangement of reinforcement thickening bed course, described base arrangement comprises middle part base arrangement and peripheral base arrangement, described middle part base arrangement is located at the top of described middle part base plate bed course, and described peripheral base arrangement is located at described arrangement of reinforcement thickening bed course top.
Described arrangement of reinforcement thickening bed course is made up of some arrangement of reinforcement thickening bed course unit, and is fixedly connected between the adjacent arrangement of reinforcement thickening bed course unit.
Described arrangement of reinforcement thickening bed course unit is to arrange the layer of concrete that is provided with plurality of strengthening ribs, and the major part of described each reinforcing rib is positioned at described layer of concrete, and fraction is embedded in the base plate bed course of described middle part.
The thickness of described arrangement of reinforcement thickening bed course is 1.5-2.5 times of described middle part base pad layer thickness.
The invention also discloses a kind of base plate job practices that reduces the foundation ditch peripheral distortion, be used for laying base plate by the foundation ditch that space enclosing structure surrounded, comprise the steps: the first step, first benzvalene form is cut the earth, and forms middle part base plate bed course at the middle part of foundation ditch; In second step, on this middle part base plate bed course, form the middle part base arrangement; The 3rd step, area dividing stripping between described middle part base arrangement and described space enclosing structure is cut the earth, whenever dig one, on this piece, be formed for the thickening arrangement of reinforcement bed course unit of interim braced cuts structure, on all pieces, all form thickening arrangement of reinforcement bed course unit separately, thereby form thickening arrangement of reinforcement bed course; The 4th step, the peripheral base arrangement of whole formation on described thickening arrangement of reinforcement bed course, and peripheral base arrangement and middle part base arrangement are fixed with one, thus form base plate.
Described arrangement of reinforcement thickening bed course unit is the layer of concrete that is laid with plurality of strengthening ribs, and the major part of described each reinforcing rib is positioned at described layer of concrete, and fraction is embedded in this middle part base plate bed course when the described first step forms middle part base plate bed course.
The thickness of described thickening arrangement of reinforcement bed course unit be described middle part base plate bed course thickness 1.5-2.5 doubly.
Beneficial effect of the present invention is as follows:
The base plate of minimizing foundation ditch peripheral distortion provided by the invention and base plate job practices, by the base plate bed course being divided into middle part base plate bed course and arrangement of reinforcement thickening bed course, and base arrangement is divided into middle part base arrangement and peripheral base arrangement, thereby, when foundation ditch is cut the earth, can dig the pairing soil body of middle part base plate bed course earlier, and keep the soil body of periphery, then, form middle part base plate bed course and on the middle part base arrangement.Owing to only dig up earlier the pairing soil body of middle part base plate bed course, therefore, it is little a lot of to compare the pairing soil body area of the whole excavation of existing foundation ditch, thereby has effectively reduced the excavation area of foundation ditch, has promptly reduced the exposed area of foundation ditch.And the excavation area of foundation ditch is more little, and is more little to the influence of foundation ditch periphery facility.Thereby, can reduce the influence of excavation of foundation pit to foundation pit enclosure structure and peripheral facility, prevent its distortion.And, the soil body that periphery keeps can form middle part base plate bed course and on the process of middle part base arrangement in, play the effect of supporting foundation pit enclosure structure to a certain extent, thus the distortion that further slows down foundation pit enclosure structure.And, because arrangement of reinforcement thickening bed course is bigger with respect to the rigidity of existing plain concrete cushion layer, therefore, can support foundation pit enclosure structure better, slow down its distortion.In addition, be divided into some arrangement of reinforcement thickening bed courses unit, therefore, in the digging process of the peripheral soil body, can distinguish stripping and cut the earth, form each arrangement of reinforcement thickening bed course unit at interval by arrangement of reinforcement being thickeied bed course.So, excavating in the forming process in certain arrangement of reinforcement thickening bed course unit, middle part base plate bed course and go up the middle part base arrangement and other completed arrangements of reinforcement thickening bed course unit and not the pairing soil body in arrangement of reinforcement thickening bed course unit of excavation together the space enclosing structure and the peripheral facility thereof of foundation ditch are formed support, thereby, with respect to existing space enclosing structure and the peripheral facility that only supports foundation ditch by the base plate bed course, the space enclosing structure of foundation ditch and peripheral facility can obtain more firm, stronger support, thereby effectively slow down foundation ditch and peripheral facility deforms.
Description of drawings
Fig. 1 is the structural representation of existing base plate;
Fig. 2 is the structural representation that the present invention reduces the base plate of foundation ditch peripheral distortion;
Fig. 3 is the structural representation of reinforcing rib of the present invention;
Structural representation when Fig. 4 is the first step of the present invention's base plate job practices of reducing the foundation ditch peripheral distortion;
Structural representation when Fig. 5 is second step of the present invention's base plate job practices of reducing the foundation ditch peripheral distortion;
Structural representation when Fig. 6 is the 3rd step of the present invention's base plate job practices of reducing the foundation ditch peripheral distortion;
Schematic top plan view when Fig. 7 is the 3rd step of the present invention's base plate job practices of reducing the foundation ditch peripheral distortion;
Structural representation when Fig. 8 is the 4th step of the present invention's base plate job practices of reducing the foundation ditch peripheral distortion;
Schematic top plan view when Fig. 9 is the 4th step of the present invention's base plate job practices of reducing the foundation ditch peripheral distortion;
Among the figure, 1-middle part base plate bed course, 2-arrangement of reinforcement thickening bed course, 21-arrangement of reinforcement thickening bed course unit, 211-reinforcing rib, 3-space enclosing structure, 4-middle part base arrangement, 5-periphery base arrangement, 6-constuction joint, the base plate bed course of 10-monoblock, the base arrangement of 20-monoblock.
The specific embodiment
See also Fig. 2-Fig. 3, the present invention of being shown in Figure 2 reduces the structural representation of the base plate of foundation ditch peripheral distortion; Shown in Figure 3 is the structural representation of reinforcing rib of the present invention.The base plate of this anti-foundation ditch peripheral distortion is arranged in the foundation ditch that is surrounded by space enclosing structure 3, and described base plate comprises base plate bed course and base arrangement.Described base plate bed course comprises the middle part base plate bed course 1 that is positioned at the foundation ditch middle part and is positioned at foundation ditch arrangement of reinforcement thickening bed course 2 all around, and is fixedly connected by arrangement of reinforcement thickening bed course 2 between described middle part base plate bed course 1 and the described space enclosing structure 3.Described base arrangement comprises middle part base arrangement 4 and peripheral base arrangement 5, and described peripheral base arrangement 5 is located at the top of described middle part base plate bed course 1, and described peripheral base arrangement 5 is located at the top of described arrangement of reinforcement thickening bed course 2.
The thickness of described arrangement of reinforcement thickening bed course 2 is 1.5-2.5 times of described middle part base plate bed course 1 thickness.In the present embodiment, the thickness of described arrangement of reinforcement thickening bed course 2 is 2 times of described middle part base plate bed course 1 thickness.Specifically, described middle part base plate bed course 1 thickness is 200 millimeters, 400 millimeters of the thickness of described arrangement of reinforcement thickening bed course 2.Wherein, described middle part base plate bed course 1 is a plain concrete cushion layer.Described arrangement of reinforcement thickening bed course 2 is made up of some arrangement of reinforcement thickening bed course unit 21, and is fixedly connected between the adjacent arrangement of reinforcement thickening bed course unit 21.Described arrangement of reinforcement thickening bed course unit 21 is the layer of concrete that are laid with plurality of strengthening ribs 211, and the major part of described each reinforcing rib 211 is positioned at described layer of concrete, and fraction is embedded in the described middle part base plate bed course 1.
Because arrangement of reinforcement thickening bed course 2 is thicker with respect to the thickness of existing plain concrete cushion layer, and in be provided with reinforcing rib 211, therefore, arrangement of reinforcement thickening bed course 2 is more a lot of greatly than the rigidity of the base plate bed course of existing integral body, thereby, can more firmly support foundation pit enclosure structure 3 and peripheral facility thereof, prevent the distortion of foundation pit enclosure structure 3 and peripheral facility thereof to a certain extent.
The base plate of anti-foundation ditch peripheral distortion of the present invention is by being divided into the base plate bed course middle part base plate bed course 1 and arrangement of reinforcement thickening bed course 2.Thereby, when foundation ditch is cut the earth, can dig the middle part base plate bed course 1 pairing soil body earlier, and keep the soil body of periphery, then, form middle part base plate bed course 1 and on middle part base arrangement 4.Owing to only dig up earlier the middle part base plate bed course 1 pairing soil body, therefore, it is little a lot of to compare the pairing soil body area of the whole excavation of existing foundation ditch, thereby reduced the excavation area of foundation ditch, promptly reduced the exposed area of foundation ditch, and the excavation area of foundation ditch is big more, the easy more foundation ditch peripheral distortion that makes.Thereby, can reduce the influence of excavation of foundation pit to foundation pit enclosure structure 3 and peripheral facility, prevent its distortion.And, the soil body that periphery keeps can form middle part base plate bed course 1 and on the process of middle part base arrangement 4 in, play the effect of supporting foundation pit enclosure structure 3 to a certain extent, thus the distortion that further slows down foundation pit enclosure structure 3 and peripheral facility thereof.
In addition, be divided into some arrangement of reinforcement thickening bed courses unit 21, can distinguish stripping and cut the earth, form each arrangement of reinforcement thickening bed course unit 21 successively at interval by arrangement of reinforcement being thickeied bed course 2.Thereby, in certain arrangement of reinforcement thickening bed course unit 21 digging process, middle part base plate bed course 1 and go up the middle part base arrangement and other completed arrangements of reinforcement thickening bed course unit 21 and not the arrangement of reinforcement thickening bed course unit 21 pairing soil bodys of excavation together the space enclosing structure 3 and the peripheral facility of foundation ditch are formed support, thereby, with respect to existing space enclosing structure 3 and the peripheral facility that only supports foundation ditch by the base plate bed course, the space enclosing structure 3 and the peripheral facility of foundation ditch can obtain more firm, stronger support, thereby effectively slow down foundation ditch and peripheral facility deforms.
See also figure Fig. 2-Figure 10, the base plate job practices of this minimizing foundation ditch peripheral distortion has adopted the base plate of above-mentioned minimizing foundation ditch peripheral distortion, specifically comprises the steps:
The first step, please in conjunction with consulting Fig. 4, the structural representation when the present invention of being shown in Figure 4 reduces the first step of base plate job practices of foundation ditch peripheral distortion.Adopt benzvalene form to cut the earth earlier, form middle part base plate bed course 1, keep the soil body at periphery at the middle part of foundation ditch.Owing to only dig up earlier the middle part base plate bed course 1 pairing soil body, therefore, it is little a lot of to compare the many corresponding soil body areas of the whole excavation of existing foundation ditch, thereby reduced the excavation area of foundation ditch, promptly reduced the exposed area of foundation ditch, thereby can reduce the influence of excavation of foundation pit to foundation pit enclosure structure 3 and peripheral facility, prevent its distortion.And, the soil that periphery keeps can form middle part base plate bed course 1 and on the process of middle part base arrangement 4 in, play the effect of supporting foundation pit enclosure structure 3 to a certain extent, thus the distortion that further slows down foundation pit enclosure structure 3.Described middle part base plate bed course 1 is a plain concrete cushion layer.The construction of for convenience follow-up thickening arrangement of reinforcement bed course, and make follow-up thickening arrangement of reinforcement bed course and described middle part base plate bed course 1 form effectively to fixedly connected, when forming middle part base plate bed course 1, the part (fraction) that will thicken the reinforcing rib 211 of arrangement of reinforcement bed course in advance is embedded in the described middle part base plate bed course 1.
In second step, in conjunction with seeing also Fig. 5, the present invention of being shown in Figure 5 reduces second structural representation when going on foot of the base plate job practices of foundation ditch peripheral distortion.On this middle part base plate bed course 1, form middle part base arrangement 4.At this moment, the soil body that middle part base arrangement on middle part base plate bed course 1 and top thereof 4 and periphery keep supports the space enclosing structure 3 of foundation ditch together, and the space enclosing structure 3 that supports foundation ditch with respect to the existing only plain concrete cushion layer by integral body has better support force.
The 3rd step, please in conjunction with consulting Fig. 6-Fig. 7, the structural representation when the present invention of being shown in Figure 6 reduces the 3rd step of base plate job practices of foundation ditch peripheral distortion; The present invention of being shown in Figure 7 prevent the foundation ditch peripheral distortion the base plate job practices the 4th when step schematic top plan view.Area dividing stripping between described middle part base arrangement 4 and described space enclosing structure 3 is cut the earth, whenever dig one, on this piece, be formed for the thickening arrangement of reinforcement bed course unit of interim braced cuts structure 3, on all pieces, all form thickening arrangement of reinforcement bed course unit, thereby form thickening arrangement of reinforcement bed course.A thickening of every correspondence arrangement of reinforcement unit.That is to say that described thickening arrangement of reinforcement bed course unit is that the method that adopts stripping to cut the earth forms at interval, fixedly connected between the adjacent arrangement of reinforcement thickening bed course unit, on all pieces, all form thickening arrangement of reinforcement bed course unit, thereby form thickening arrangement of reinforcement bed course.Thereby, in the excavation forming process of certain arrangement of reinforcement thickening bed course unit 21, middle part base plate bed course 1 and go up the middle part base arrangement and other completed arrangements of reinforcement thickening bed course unit 21 and not the arrangement of reinforcement thickening bed course unit 21 pairing soil bodys of excavation together the space enclosing structure 3 of foundation ditch is formed supports, thereby, with respect to existing space enclosing structure 3 and the peripheral facility that only supports foundation ditch by the base plate bed course, the space enclosing structure 3 and the peripheral facility of foundation ditch can obtain more firm, stronger support, thereby effectively slow down foundation ditch and peripheral facility deforms.
Wherein, described arrangement of reinforcement thickening bed course unit 21 is to arrange the layer of concrete that is provided with plurality of strengthening ribs 211, the major part of described each reinforcing rib 211 is positioned at described layer of concrete, and fraction is embedded in this middle part base plate bed course 1 when the described first step forms middle part base plate bed course 1.Fixedly connected between the described adjacent arrangement of reinforcement thickening bed course unit 21.The thickness of described thickening arrangement of reinforcement bed course unit be described middle part base plate bed course 1 thickness 1.5-2.5 doubly.In the present embodiment, the thickness of described thickening arrangement of reinforcement bed course unit is 2 times of thickness of described middle part base plate bed course 1.Because arrangement of reinforcement thickening bed course 2 is bigger with respect to the rigidity of existing plain concrete cushion layer, has stronger support force, therefore, can further slow down the distortion of foundation pit enclosure structure 3 and peripheral facility.
The 4th step, please in conjunction with consulting Fig. 8-Fig. 9, the structural representation when the present invention of being shown in Figure 8 reduces the 4th step of base plate job practices of foundation ditch peripheral distortion; The present invention of being shown in Figure 9 reduce the foundation ditch peripheral distortion the base plate job practices the 4th when step schematic top plan view.The peripheral base arrangement 5 of whole formation on described thickening arrangement of reinforcement bed course, and peripheral base arrangement 5 is fixed with one with middle part base arrangement 4, thus form base plate.Described whole formation is meant at the described peripheral base arrangement 5 of the regional disposable formation between middle part base arrangement 4 and space enclosing structure 3.The described peripheral base arrangement 5 of whole formation is constuction joint 6 quantity in order to reduce base plate, thereby avoids constuction joint too much to cause the seepage infiltration accident.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (7)
1. base plate that reduces the foundation ditch peripheral distortion, be arranged in the foundation ditch that surrounds by space enclosing structure, described base plate comprises base plate bed course and base arrangement, it is characterized in that, described base plate bed course comprises the middle part base plate bed course that is positioned at the foundation ditch middle part and is positioned at foundation ditch arrangement of reinforcement thickening bed course all around, fixedly connected between described middle part base plate bed course and the described space enclosing structure by arrangement of reinforcement thickening bed course, described base arrangement comprises middle part base arrangement and peripheral base arrangement, described middle part base arrangement is located at the top of described middle part base plate bed course, and described peripheral base arrangement is located at described arrangement of reinforcement thickening bed course top.
2. the base plate bed course of minimizing foundation ditch peripheral distortion as claimed in claim 1 is characterized in that, described arrangement of reinforcement thickening bed course is made up of some arrangement of reinforcement thickening bed course unit, and is fixedly connected between the adjacent arrangement of reinforcement thickening bed course unit.
3. the base plate bed course of minimizing foundation ditch peripheral distortion as claimed in claim 2, it is characterized in that, described arrangement of reinforcement thickening bed course unit is the layer of concrete that is laid with plurality of strengthening ribs, and the major part of described each reinforcing rib is positioned at described layer of concrete, and fraction is embedded in the base plate bed course of described middle part.
4. the base plate bed course of minimizing foundation ditch peripheral distortion as claimed in claim 1 is characterized in that, the thickness of described arrangement of reinforcement thickening bed course is 1.5-2.5 times of described middle part base pad layer thickness.
5. a base plate job practices that reduces the foundation ditch peripheral distortion is used for laying base plate by the foundation ditch that space enclosing structure surrounded, and it is characterized in that, comprises the steps: the first step, and first benzvalene form is cut the earth, and forms middle part base plate bed course at the middle part of foundation ditch; In second step, on this middle part base plate bed course, form the middle part base arrangement; The 3rd step, area dividing stripping between described middle part base arrangement and described space enclosing structure is cut the earth, whenever dig one, on this piece, be formed for the thickening arrangement of reinforcement bed course unit of interim braced cuts structure, on all pieces, all form thickening arrangement of reinforcement bed course unit separately, thereby form thickening arrangement of reinforcement bed course; The 4th step, the peripheral base arrangement of whole formation on described thickening arrangement of reinforcement bed course, and peripheral base arrangement and middle part base arrangement are fixed with one, thus form base plate.
6. the base plate job practices of minimizing foundation ditch peripheral distortion as claimed in claim 5, it is characterized in that, described arrangement of reinforcement thickening bed course unit is the layer of concrete that is laid with plurality of strengthening ribs, the major part of described each reinforcing rib is positioned at described layer of concrete, and fraction is embedded in this middle part base plate bed course when the described first step forms middle part base plate bed course.
7. the base plate job practices of minimizing foundation ditch peripheral distortion as claimed in claim 5 is characterized in that, the thickness of described thickening arrangement of reinforcement bed course unit be described middle part base plate bed course thickness 1.5-2.5 doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105249559A CN101956395A (en) | 2010-10-29 | 2010-10-29 | Base board for reducing deformation at periphery of base pit and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105249559A CN101956395A (en) | 2010-10-29 | 2010-10-29 | Base board for reducing deformation at periphery of base pit and construction method thereof |
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| CN101956395A true CN101956395A (en) | 2011-01-26 |
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| CN2010105249559A Pending CN101956395A (en) | 2010-10-29 | 2010-10-29 | Base board for reducing deformation at periphery of base pit and construction method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369813A (en) * | 2015-10-14 | 2016-03-02 | 河海大学 | Geotextile bag type support erecting method |
| CN105951841A (en) * | 2016-05-31 | 2016-09-21 | 中国建筑第八工程局有限公司 | Deep foundation pit construction method for controlling foundation pit deformation under diagonal brace supporting system |
| CN108457290A (en) * | 2018-05-25 | 2018-08-28 | 电联工程技术股份有限公司 | A kind of prefabricated assembled blinding layer building enclosure |
| CN110792084A (en) * | 2019-11-08 | 2020-02-14 | 中国建筑第八工程局有限公司 | Optimized construction method for reinforcing soil body of passive area at bottom plate boundary of tower |
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| JPH03262833A (en) * | 1990-03-14 | 1991-11-22 | Taisei Corp | Construction of underground floor |
| CN1948633A (en) * | 2005-10-14 | 2007-04-18 | 上海市第七建筑有限公司 | Tray type excarvating contrary construction method |
| CN101418571A (en) * | 2008-10-15 | 2009-04-29 | 上海市第二市政工程有限公司 | Middle plate construction method of wide pit top-down construction |
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| JPH03262833A (en) * | 1990-03-14 | 1991-11-22 | Taisei Corp | Construction of underground floor |
| CN1948633A (en) * | 2005-10-14 | 2007-04-18 | 上海市第七建筑有限公司 | Tray type excarvating contrary construction method |
| CN101418571A (en) * | 2008-10-15 | 2009-04-29 | 上海市第二市政工程有限公司 | Middle plate construction method of wide pit top-down construction |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369813A (en) * | 2015-10-14 | 2016-03-02 | 河海大学 | Geotextile bag type support erecting method |
| CN105951841A (en) * | 2016-05-31 | 2016-09-21 | 中国建筑第八工程局有限公司 | Deep foundation pit construction method for controlling foundation pit deformation under diagonal brace supporting system |
| CN105951841B (en) * | 2016-05-31 | 2018-12-18 | 中国建筑第八工程局有限公司 | To the construction method of deep foundation ditch for being used to control foundation pit deformation under supporting system |
| CN108457290A (en) * | 2018-05-25 | 2018-08-28 | 电联工程技术股份有限公司 | A kind of prefabricated assembled blinding layer building enclosure |
| CN110792084A (en) * | 2019-11-08 | 2020-02-14 | 中国建筑第八工程局有限公司 | Optimized construction method for reinforcing soil body of passive area at bottom plate boundary of tower |
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Open date: 20110126 |