CN116770813B - Perpendicularity adjusting structure for prefabricated underground continuous wall installation process and construction method thereof - Google Patents
Perpendicularity adjusting structure for prefabricated underground continuous wall installation process and construction method thereof Download PDFInfo
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- CN116770813B CN116770813B CN202310733585.7A CN202310733585A CN116770813B CN 116770813 B CN116770813 B CN 116770813B CN 202310733585 A CN202310733585 A CN 202310733585A CN 116770813 B CN116770813 B CN 116770813B
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- 238000011900 installation process Methods 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 20
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Abstract
The invention discloses a perpendicularity adjusting structure in the installation process of a prefabricated diaphragm wall and a construction method thereof, wherein the perpendicularity adjusting structure comprises guide walls which are pre-paved at the tops of two sides of a guide groove, support rods which are used for penetrating through the prefabricated diaphragm wall, and fasteners which are used for positioning the support rods on the prefabricated diaphragm wall; the support rod is erected on the guide wall, and the guide wall is provided with a first driving piece for driving the support rod to move towards the vertical direction and a second driving piece for driving the support rod to move towards the horizontal direction; the perpendicularity adjusting structure in the prefabricated wall installation process further comprises: the air bags are pre-buried at two sides of the bottom of the prefabricated underground diaphragm wall, and the filling pieces are used for filling media into the air bags. The prefabricated wall is placed in the guide groove, and the prefabricated wall is placed in the guide groove.
Description
Technical Field
The invention relates to the field of prefabricated wall installation, in particular to a prefabricated wall installation process verticality adjusting structure and a construction method thereof.
Background
Along with the continuous progress of the building industry, the technology of underground construction is gradually advanced, in order to improve the construction efficiency of underground construction, prefabricated underground continuous walls with multiple faces are manufactured in a factory prefabricating mode, then the prefabricated underground continuous walls are sequentially placed into the pre-excavated guide grooves, and then two adjacent prefabricated underground continuous walls are connected, so that the accuracy of the placement position of the prefabricated underground continuous walls is very important.
In the prior art, the position of the diaphragm wall can be adjusted only in the process of lowering the diaphragm wall into the guide groove, however, when the diaphragm wall is completely lowered into the guide groove, the position of the diaphragm wall is difficult to be further finely adjusted, so that the situation that the error is larger and larger when the diaphragm wall is spliced into the subsequent diaphragm wall is caused.
Disclosure of Invention
In order to improve the position accuracy of the prefabricated underground continuous wall in the guide groove, the application provides a prefabricated underground continuous wall installation process verticality adjusting structure and a construction method thereof.
In a first aspect, the application provides a prefabricated wall mounting process straightness adjustment structure that hangs down, adopts following technical scheme:
a prefabricated wall installation process straightness adjustment structure that hangs down includes: the guide walls are pre-paved at the tops of two sides of the guide groove, the support rods are used for penetrating through the prefabricated ground connecting wall, and the fasteners are used for positioning the support rods on the prefabricated ground connecting wall; the support rod is erected on the guide wall, and the guide wall is provided with a first driving piece for driving the support rod to move towards the vertical direction and a second driving piece for driving the support rod to move towards the horizontal direction; the perpendicularity adjusting structure in the prefabricated wall installation process further comprises: the air bags are pre-buried at two sides of the bottom of the prefabricated underground diaphragm wall, and the filling pieces are used for filling media into the air bags.
By adopting the technical scheme, after the prefabricated underground continuous wall is lowered into the guide groove, the support rod passes through the prefabricated underground continuous wall and is locked by the fastener, and the support rod is erected on the guide wall, so that the pre-positioning of the prefabricated underground continuous wall is completed; the lifting stability is improved due to the arrangement of the guide wall because of the large weight of the lifting machine, and the lifting machine is more obvious particularly for the construction environment with poor foundation; when detecting that the prefabricated wall is deviated, adopting a first driving piece to adjust the prefabricated wall in the vertical direction, and adopting a second driving piece to adjust the prefabricated wall in the horizontal direction; filling media such as mortar or gas is filled into the air bag at one side by adopting the filling piece, the air bag presses the inner wall of the guide groove so as to achieve position adjustment of the bottom end of the prefabricated ground connecting wall, and perpendicularity adjustment can be achieved by matching the air bag with the second driving piece; and continuously measuring by adopting a scale or a level meter in the adjustment process; the adjustment mode not only improves the position accuracy of the prefabricated underground continuous wall in the guide groove, but also adjusts the bottom of the prefabricated underground continuous wall only by introducing filling medium into the air bag, and the adjustment mode is convenient to operate and high in adjustment efficiency.
Preferably, the air bags are arranged at two sides of the bottom of the prefabricated underground continuous wall, and the two air bags of the same pair are respectively arranged at two sides of the prefabricated underground continuous wall in the horizontal direction.
By adopting the technical scheme, as the prefabricated underground continuous wall can have the torsion in the process of lowering, the angle of torsion can be adjusted for the prefabricated underground continuous wall by installing the bag bodies at the two sides of the same side of the prefabricated underground continuous wall and through the inner wall of one corner top guide groove; the mode not only adjusts efficiency, but also is consistent with the structure for adjusting verticality, and reduces cost.
Preferably, the filler includes: the connecting pipes are embedded in the prefabricated underground continuous wall, the connecting pipes correspond to the air bags one by one, one end of each connecting pipe is communicated with the air bag, and the other end of each connecting pipe extends out of the prefabricated underground continuous wall.
Through adopting above-mentioned technical scheme, constructor directly on the guide wall, let in the filling medium to the communicating pipe in can accomplish the filling of gasbag, and the convenient control volume of letting in.
Preferably, the guide wall includes: the guide parts and the bearing parts are respectively pre-arranged at two opposite sides of the guide groove, and the bearing parts are paved at one upward side of the guide parts; a sinking groove for supporting the support rod to erect is formed at the joint of the guide part and the bearing part; the prefabricated wall mounting process verticality adjusting structure further comprises a support column, and the support column is arranged at the bottoms of the guide part and the bearing part.
By adopting the technical scheme, the integral strength of the guide wall is improved through the arrangement of the supporting columns under the condition of softer foundation; in addition, the setting of sinking groove makes the support bar erect more accurate.
Preferably, the two ends of the support rod are respectively sleeved with a cushion block, the first driving piece and the second driving piece are jacks, the first driving piece is installed at a position between the cushion block and the sinking groove, and the second driving piece is installed at the end part of the support rod and the groove wall of the sinking groove.
Through adopting above-mentioned technical scheme, first driving piece not only plays the effect of adjustment backing bar position, but also plays the effect of erectting the backing bar, the cost is reduced.
Preferably, the method further comprises: the fixing plate is pre-arranged at the bottom end of the first frame, the pouring pipe is pre-arranged in the first frame, the guide groove is pre-provided with a positioning groove at the bottom position corresponding to the first frame, a concrete layer is paved in the positioning groove, and the fixing plate is pre-arranged in the concrete layer; the pouring pipe is communicated with the positioning groove.
By adopting the technical scheme, the first prefabricated wall is the most important one in the splicing process of all prefabricated walls and is a wall without other prefabricated walls as a splicing foundation, so that the accuracy of the installation position of the first prefabricated wall directly influences the accuracy of the splicing position of all subsequent prefabricated walls; when the first prefabricated wall is lowered, the stabilizing plate extends into the positioning groove, and then position adjustment is carried out; after the adjustment is finished, mortar is introduced into the pouring pipe, so that a positioning base is formed at the bottom of the first web, and the position of the first web is further stabilized due to the cooperation between the stabilizing plate and the mortar; the subsequent deviation caused by collision in the splicing process of the next strip is reduced, and even if the deviation is smaller, the error is gradually increased after splicing the multi-surface prefabricated wall.
Preferably, the method further comprises: the mounting plate is fixedly arranged on the wall of the sinking groove, a sliding groove for sliding the first driving piece and the second driving piece is formed in the mounting plate, and a connecting rod is arranged in the corner position of the mounting plate corresponding to the sinking groove; the connecting rods are provided with limiting rods corresponding to the side walls of the first driving piece and the second driving piece, and the connecting rods are provided with third driving pieces for driving the limiting rods to move towards the direction approaching to or away from the connecting rods; the first driving piece and the second driving piece are respectively provided with a penetrating hole for the limiting rod to penetrate through; the limiting rod is further provided with a limiting piece used for limiting the relative position between the limiting rod and the first driving piece or the second driving piece.
Through the technical scheme, when the position of the support rod is required to be adjusted through the first driving piece, the fourth driving piece drives the two limiting rods to move to penetrate through penetrating holes in the first driving piece and the second driving piece respectively, and then the limiting pieces limit the relative positions of the limiting rods corresponding to the first driving piece and the first driving piece, so that the support rod is more stable in the process of driving the support rod to move in the vertical direction by the first driving piece, and deviation in other directions in the process of adjusting in the vertical direction is reduced; and when the position of the support rod needs to be adjusted through the second driving piece, the operation mode is consistent with that of the first driving piece.
Preferably, the limiting member includes: the support ring sleeved on the limiting rod and the fixing nut threaded on one end, far away from the connecting rod, of the limiting rod are abutted to one side of the first driving piece or one side of the second driving piece, and the fixing nut is abutted to the other side of the first driving piece or the other side of the second driving piece.
By adopting the technical scheme, when the limiting rod passes through the first driving piece or the second driving piece, the supporting ring is abutted to one side of the first driving piece or the second driving piece, and then is arranged on the limiting rod through the threads of the fixing nut and is abutted to the other side of the first driving piece or the second driving piece; the installation mode has high installation stability.
In a second aspect, the application provides a construction method for a prefabricated wall installation process, which adopts the following technical scheme:
a construction method for a prefabricated wall-connecting installation process, based on a perpendicularity adjusting structure of the prefabricated wall-connecting installation process, the construction method comprising:
step one: constructing the support columns in foundations at two sides of a preset guide groove;
step two: excavating a guide groove, paving the guide wall at a position corresponding to the support column, and forming a sinking groove;
step three: the first prefabricated wall is put down into the guide groove and is in a suspended state, the support rod is penetrated at the top of the first prefabricated wall, the support rod is fixed by adopting the fastening piece, and the support rod is erected in the sinking groove;
step four: measuring and obtaining errors of the first prefabricated wall in the width direction of the guide groove, errors in the vertical direction, perpendicularity deviation and torsion deviation;
step five: the error of the first prefabricated wall in the vertical direction is adjusted through the first driving piece, the error of the first prefabricated wall in the width direction of the guide groove is adjusted through the second driving piece, the verticality deviation of the first prefabricated wall is adjusted through filling mortar into two air bags positioned on one side, and the torsion deviation of the first prefabricated wall is adjusted through filling mortar into one air bag;
step six: sequentially lowering, positioning and adjusting the subsequent prefabricated underground continuous walls, and mutually inserting adjacent two prefabricated underground continuous walls;
step seven: and after the prefabricated diaphragm wall is spliced to a preset length, pouring concrete between the bottom of the prefabricated diaphragm wall and the bottom of the guide groove, and between the side wall of the prefabricated diaphragm wall and the wall of the guide groove.
By adopting the technical scheme, after the prefabricated diaphragm wall is lowered into the guide groove, the prefabricated diaphragm wall is suspended in the guide groove through the supporting rod, the position of the prefabricated diaphragm wall is adjusted through the cooperation of the first driving piece, the second driving piece and the air bag, concrete is poured between the bottom of the prefabricated diaphragm wall and the bottom of the guide groove and between the side wall of the prefabricated diaphragm wall and the wall of the guide groove after being subsequently lowered and spliced to a preset length, the preset length is the process of pouring concrete on the two sides of the front prefabricated diaphragm wall, the concrete is reduced from entering the guide groove without lowering the prefabricated diaphragm wall, the front prefabricated diaphragm wall can be stabilized, the supporting rod is conveniently detached and applied to the subsequent prefabricated diaphragm wall positioning process, and the smoothness of construction of the subsequent prefabricated diaphragm wall can be reduced; in addition, the prefabricated diaphragm wall is in a suspended state, so that concrete can be poured between the bottom of the guide groove and the bottom of the prefabricated diaphragm wall during subsequent concrete pouring, a U-shaped concrete layer is formed, and the installation stability of the prefabricated diaphragm wall is improved.
Preferably, the specific method for lowering the first prefabricated wall to the guide groove comprises the following steps:
digging out the positioning groove at the bottom of the guide groove corresponding to the first prefabricated wall, and lowering the first prefabricated wall into the guide groove with the stabilizing plate in the positioning groove;
after the fifth step, the construction method further includes:
and pouring concrete into the positioning groove by the pouring pipe to form the concrete layer.
By adopting the technical scheme, when the first prefabricated wall is lowered into the guide groove, the stabilizing plate is positioned in the positioning groove; and then, after the position adjustment of the first prefabricated wall is finished, pouring concrete into the positioning groove to form a concrete layer so as to improve the installation stability of the first prefabricated wall.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when detecting that the prefabricated wall is deviated, adopting a first driving piece to adjust the prefabricated wall in the vertical direction, and adopting a second driving piece to adjust the prefabricated wall in the horizontal direction; filling media such as mortar or gas is filled into the air bag at one side by adopting the filling piece, and the air bag is pressed against the inner wall of the guide groove so as to achieve position adjustment of the bottom end of the prefabricated underground continuous wall, and perpendicularity adjustment can be achieved by matching the filling piece with the second driving piece; the adjusting mode not only improves the position accuracy of the prefabricated underground continuous wall in the guide groove, but also adjusts the bottom of the prefabricated underground continuous wall only by filling medium into the air bag, and the adjusting mode is convenient to operate and high in adjusting efficiency;
2. the twisting angle of the prefabricated wall is adjusted by pushing the inner wall of the guide groove through one of the corners at the two sides of the same side of the prefabricated wall; the mode not only can adjust the efficiency, but also is consistent with the structure for adjusting the verticality, thereby reducing the cost;
3. when the first prefabricated wall is put down, the stabilizing plate extends into the positioning groove, and then the position is adjusted; after the adjustment is finished, mortar is introduced into the pouring pipe, so that a positioning base is formed at the bottom of the first web, and the position of the first web is further stabilized due to the cooperation between the stabilizing plate and the mortar; the subsequent deviation caused by collision in the process of inserting the next web into the next web is reduced;
4. through being in unsettled state with prefabricated diaphragm wall, then can also irritate the concrete to the tank bottom of guide slot and between the prefabricated diaphragm wall bottom when making follow-up pouring concrete to form "U" style of calligraphy concrete layer, promoted the installation stability of prefabricated diaphragm wall.
Drawings
Fig. 1 is a schematic view of a structure for adjusting verticality in the installation process of prefabricated wall panels according to embodiment 1 of the present application.
Fig. 2 is a top view of a prefabricated wall panel installation verticality adjustment structure according to embodiment 1 of the present application.
Fig. 3 is a partial enlarged view of a in fig. 1.
Fig. 4 is a schematic diagram showing the distribution of air bags in the verticality adjustment structure in the prefabricated wall installation process of embodiment 1 of the present application.
Fig. 5 is a schematic view of a first positioning structure in the verticality adjustment structure in the prefabricated wall installation process of embodiment 1 of the present application.
Fig. 6 is a schematic view of a structure for adjusting verticality in the installation process of prefabricated wall panels according to embodiment 2 of the present application.
Fig. 7 is a partial enlarged view of B in fig. 6.
Fig. 8 is a flow chart of a construction method of the prefabricated wall installation process of the present application.
Reference numerals illustrate:
1. a guide wall; 11. a guide part; 12. a support part; 13. sinking grooves; 2. a support column; 3. a support bar; 31. a cushion block; 4. a fastener; 41. a clip steel plate; 42. a clip nut; 5. a first driving member; 51. penetrating the jack; 6. a second driving member; 7. a guide groove; 71. a positioning groove; 72. a concrete layer; 8. a mounting plate; 81. a slip groove; 9. a connecting rod; 91. a limit rod; 92. a third driving member; 93. a limiting piece; 931. a support ring; 932. a fixing nut; 101. prefabricating a ground connecting wall; 102. a mounting groove; 103. an air bag; 104. a communicating pipe; 105. a stabilizing plate; 106. and (5) pouring a tube.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-8.
The embodiment of the application discloses a prefabricated wall mounting process straightness adjustment structure that hangs down even.
Example 1
Referring to fig. 1 and 2, the verticality adjusting structure in the prefabricated wall-connecting installation process comprises a pair of guide walls 1, a plurality of pairs of support rods 3 and a plurality of pairs of fasteners 4, wherein a plurality of support columns 2 are constructed in the foundation at two sides of a guide groove 7 in a rotary spray grouting pile injection mode; the two guide walls 1 are respectively paved on two opposite sides of the opening of the guide groove 7, and the bottoms of the guide walls 1 are abutted against the support columns 2, so that equipment such as a hoisting machine for hoisting the prefabricated underground continuous wall 101 can be parked at the two sides of the guide groove 7 more stably; a pair of support rods 3 are arranged at the positions corresponding to each prefabricated wall 101, the support rods 3 are steel rods, the support rods 3 are horizontally arranged, two support rods 3 of the same pair are respectively penetrated through the tops of the prefabricated walls 101 of the same face and are positioned at two ends of the prefabricated walls in the extending direction of the guide groove 7, and the support rods 3 are erected at the positions, close to the guide groove 7, of the guide wall 1; each support rod 3 is provided with a pair of fasteners 4, and the fasteners 4 are used for positioning the support rods 3 on the prefabricated diaphragm wall 101, so that when the hoisting machine lowers the prefabricated diaphragm wall 101 into the guide wall 1, the pair of support rods 3 penetrate through the two ends of the top of the prefabricated diaphragm wall 101, the support rods 3 and the prefabricated diaphragm wall 101 are positioned through the fasteners 4, and then the support rods 3 are erected on the guide wall 1, so that the preset positioning of the single-sided prefabricated diaphragm wall 101 can be completed.
The fastening piece 4 comprises a clamping piece steel plate 41 and a clamping piece nut 42, the supporting rod 3 is simultaneously penetrated through the two clamping piece steel plates 41 of the same pair of fastening pieces 4, and the two clamping piece steel plates 41 of the same pair of fastening pieces 4 are respectively abutted to two sides of the prefabricated underground continuous wall 101; the two clamping piece nuts 42 of the same pair of fasteners 4 are respectively arranged, the two clamping piece nuts 42 are respectively and threadedly mounted on the support rod 3, and the clamping piece nuts 42 are abutted against one side, far away from the prefabricated wall 101, of the clamping piece steel plate 41, so that the support rod 3 and the prefabricated wall 101 can be locked.
Referring to fig. 1, the guide wall 1 includes a guide portion 11 and a supporting portion 12, the guide portion 11 is vertically disposed, the supporting portion 12 is horizontally disposed, one end of the guide portion 11 is integrally formed with one end of the supporting portion 12, the guide wall 1 is adapted to an opening corner of the guide groove 7, and the guide portion 11 is located at a side wall position of the guide groove 7 close to the opening; support columns 2 are arranged right below the guide part 11 and the bearing part 12; a sinking groove 13 is formed at the joint between the guide part 11 and the bearing part 12, and the sinking groove 13 is used for erecting the support rod 3; therefore, the hoisting machine and other equipment can be stably parked on the bearing part 12, the guide parts 11 are arranged on the two sides of the opening of the guide groove 7, the prefabricated underground continuous wall 101 is guided, and the collapse of the opening of the guide groove 7 can be reduced.
Wherein one side guide wall 1 is arranged outside the foundation pit of the subsequent excavation, the other side guide wall 1 is arranged in the foundation pit of the subsequent excavation, the vertical height of the bearing part 12 arranged in the foundation pit is lower than the vertical height of the bearing part 12 arranged outside the foundation pit, and the vertical height of the bearing part 12 arranged in the foundation pit is lower than the supporting rod 3, thereby being convenient for taking out the supporting rod 3 subsequently.
Referring to fig. 1 and 2, the prefabricated wall installation process verticality adjustment structure further includes a first driving piece 5 and a second driving piece 6; two ends of each support rod 3 are sleeved with cushion blocks 31, and the cushion blocks 31 are abutted against clamping piece nuts 42; the first driving piece 5 and the second driving piece 6 are jacks, the first driving piece 5 is arranged at the two ends of each supporting rod 3, the first driving piece 5 is fixedly arranged at the position of the guide wall 1 corresponding to the sinking groove 13, and the piston rod of the first driving piece 5 is abutted against the cushion block 31; thereby not only driving the prefabricated ground connecting wall 101 to move towards the vertical direction, but also forming a structure for erecting the support rods 3; the second driving piece 6 is fixedly arranged at the groove wall position of the sinking groove 13 outside the foundation pit, and the piston rod of the second driving piece 6 is fixedly arranged at the end part of the supporting rod 3, so that the prefabricated underground diaphragm wall 101 can be driven to move in the horizontal direction, and the verticality of the top position of the prefabricated underground diaphragm wall 101 can be adjusted.
Thus, when the two second driving parts 6 arranged at the two ends of the prefabricated wall 101 on the same surface are independently started, the torsion adjustment of the top position of the prefabricated wall 101 can be performed.
Referring to fig. 1 and 3, the verticality adjusting structure in the prefabricated wall-connecting installation process further includes an air bag 103 and a filling member, a pair of installation grooves 102 are formed at both side positions of the prefabricated wall-connecting 101 on the same side, two installation grooves 102 of the same pair are respectively formed at both end positions of the prefabricated wall-connecting 101 in the length direction, and the installation grooves 102 extend towards the length direction of the prefabricated wall-connecting 101; an air bag 103 is arranged in each mounting groove 102, namely two air bags 103 are arranged at two ends of the same side of the prefabricated underground diaphragm wall 101; the air bag 103 is in a strip shape, one side of the air bag 103 is fixedly arranged in the mounting groove 102, and the other side faces the notch of the mounting groove 102 and is in a contracted shape; the filling member comprises a plurality of communicating pipes 104, the prefabricated underground continuous wall 101 is provided with one communicating pipe 104 corresponding to the position of each air bag 103, the communicating pipes 104 are vertically arranged, one end of each communicating pipe 104 is communicated with the air bag 103, and the other end extends out of the prefabricated underground continuous wall 101.
Referring to fig. 3 and 4, when the perpendicularity of the prefabricated wall 101 deviates, mortar is filled into the air bag 103 through the communicating pipe 104 on one side to be adjusted, so that the air bag 103 expands the groove wall of the top guide groove 7, and the perpendicularity adjustment on the bottom of the prefabricated wall 101 is achieved; the air bag 103 is in a strip shape, so that the stress area can be increased, and the phenomenon that the air bag 103 is sunk into a foundation is reduced; when the prefabricated underground diaphragm wall 101 is twisted, mortar is filled into the air bag 103 through the communicating pipe 104 for one of the corners to be adjusted, so that the air bag 103 expands to top the groove wall of the guide groove 7, and the twisting adjustment of the prefabricated underground diaphragm wall 101 is achieved.
Referring to fig. 5, the verticality adjusting structure in the prefabricated wall-connecting installation process further comprises a stabilizing plate 105 and a pouring pipe 106, wherein the stabilizing plate 105 is fixedly installed at the middle position of the bottom end part of the first prefabricated wall-connecting 101, a positioning groove 71 is formed in the bottom of the guide groove 7 and corresponds to the position of the first prefabricated wall-connecting 101, a concrete layer 72 is poured into the positioning groove 71, and the stabilizing plate 105 is pre-buried in the concrete layer 72; the two pouring pipes 106 are respectively arranged at two sides of the first prefabricated diaphragm wall 101, two ends of the pouring pipes 106 are respectively communicated with the bottom and the top of the first prefabricated diaphragm wall 101, after the first prefabricated diaphragm wall 101 is lowered and position adjustment is completed, concrete is filled into the positioning groove 71 through the pouring pipes 106, so that a concrete layer 72 is formed; thereby improving the position accuracy of the first prefabricated wall connecting 101 and reducing the position accuracy of the subsequent prefabricated wall connecting 101.
The implementation principle of the embodiment 1 is as follows: after the first prefabricated wall 101 is lowered, the position of the first prefabricated wall 101 is accurately adjusted through the cooperation of the first driving piece 5, the second driving piece 6 and the air bag 103; then, concrete is filled into the positioning groove 71 through the filling pipe 106, and the position of the first prefabricated underground continuous wall 101 is locked; then, the subsequent prefabricated underground continuous walls 101 are sequentially lowered and spliced, and when each prefabricated underground continuous wall 101 is lowered, the vertical position of each prefabricated underground continuous wall 101 is adjusted through the first driving piece 5, the verticality and the torsion of the bottom of the prefabricated underground continuous wall 101 are adjusted through the second driving piece 6, and the verticality and the torsion of the top of the prefabricated underground continuous wall 101 are adjusted through the mortar introduced into the corresponding air bags 103.
Example 2
Referring to fig. 6 and 7, the difference between this embodiment and embodiment 1 is that the verticality adjustment structure in the prefabricated wall-to-wall installation process further includes a mounting plate 8, a connecting rod 9 and two limiting rods 91, the mounting plate 8 is a steel plate, the shape of the mounting plate 8 is consistent with the shape of the slot wall of the sinking slot 13, and the mounting plate 8 is fixedly installed on the slot wall of the sinking slot 13; the mounting plate 8 is provided with a sliding groove 81 corresponding to the groove bottom of the sinking groove 13 and the groove wall of the sinking groove 13, and the bottom of the first driving piece 5 and the bottom of the second driving piece 6 are slidably arranged on the corresponding section of the sliding groove 81; the corner of the mounting plate 8 is fixedly provided with a connecting rod 9 corresponding to the position of each supporting rod 3, and the connecting rod 9 extends towards the length direction of the sinking groove 13.
The two limiting rods 91 are arranged at intervals along the circumferential direction of the connecting rod 9, and the two limiting rods 91 are opposite to the first driving piece 5 and the second driving piece 6 respectively; the bottom of the first driving piece 5 and the bottom of the second driving piece 6 are provided with through jacks 51; the position of the connecting rod 9 corresponding to each limiting rod 91 is fixedly provided with a third driving piece 92, the third driving piece 92 is an air cylinder, and a piston rod of the third driving piece 92 penetrates through the connecting rod 9 and is fixedly connected with the end part of the limiting rod 91; when the first driving piece 5 is required to be vertically adjusted, the two third driving pieces 92 are started, so that the limiting rod 91 corresponding to the first driving piece 5 passes through the penetrating hole 51 of the first driving piece 5, and the limiting rod 91 corresponding to the second driving piece 6 passes through the penetrating hole 51 of the second driving piece 6; each of the stopper rods 91 is further provided with a stopper 93 for restricting the relative position between the stopper rod 91 and the first driving member 5 or the second driving member 6.
The limiting piece 93 comprises a supporting ring 931 and a fixing nut 932, the supporting ring 931 is sleeved and fixedly arranged on the limiting rod 91, and the fixing nut 932 is arranged at one end of the limiting rod 91 far away from the connecting rod 9 in a threaded manner; when the limit rod 91 is inserted into the insertion hole 51, the supporting ring 931 abuts against one side of the first driving element 5 or the second driving element 6, and the fixing nut 932 abuts against the other side of the first driving element 5 or the second driving element 6, so as to lock the first driving element 5 or the second driving element 6.
The implementation principle of the embodiment 2 is as follows: when the first driving piece 5 is required to be vertically adjusted, the two third driving pieces 92 are started, so that the limiting rod 91 corresponding to the first driving piece 5 passes through the penetrating hole 51 of the first driving piece 5, and the limiting rod 91 corresponding to the second driving piece 6 passes through the penetrating hole 51 of the second driving piece 6; then the fixing nut 932 is screwed into the corresponding limit rod 91 of the first driving member 5, and the corresponding limit rod 91 of the second driving member 6 is not required to be screwed into the fixing nut 932; at the same time as the first driving member 5 is activated for vertical adjustment, the third driving member 92 corresponding to the second driving member 6 may be activated to assist the first driving member 5 for vertical adjustment.
The embodiment of the application also discloses a construction method in the installation process of the prefabricated underground continuous wall. Referring to fig. 8, the prefabricated wall installation process construction method includes:
s10: constructing support columns 2 in foundations on two sides of a preset guide groove 7 in a rotary spray irrigation manner;
s20: excavating a guide groove 7, paving a guide wall 1 at a position corresponding to the support column 2, and forming a sinking groove 13;
s30: the first prefabricated wall 101 is put down into the guide groove 7 and is in a suspended state, the support rod 3 is penetrated at the top of the first prefabricated wall 101 and is fixed by the fastener 4, and the support rod 3 is erected in the sinking groove 13;
the concrete method for lowering the first prefabricated wall 101 into the guide groove 7 is as follows: digging a positioning groove 71 at the bottom of the guide groove 7 and corresponding to the position of the first prefabricated connecting wall 101, and lowering the first prefabricated connecting wall 101 into the guide groove 7 and arranging the stabilizing plate 105 in the positioning groove 71;
s40: measuring by a scale or a level gauge to obtain the error of the first prefabricated wall connecting wall 101 in the width direction of the guide groove 7, the error in the vertical direction, the perpendicularity deviation and the torsion deviation;
s50: the error of the first prefabricated connecting wall 101 in the vertical direction is adjusted through the first driving piece 5, the error of the first prefabricated connecting wall 101 in the width direction of the guide groove 7 is adjusted through the second driving piece 6, the verticality deviation of the first prefabricated connecting wall 101 is adjusted through filling mortar into the two air bags 103 positioned on one side, and the torsion deviation error of the first prefabricated connecting wall 101 is adjusted through filling mortar into one air bag 103;
s60: pouring concrete into the positioning groove 71 through the pouring pipe 106 to form a concrete layer 72;
s70: sequentially lowering, positioning and adjusting the subsequent prefabricated underground continuous walls 101, and mutually inserting adjacent two prefabricated underground continuous walls 101;
s80: after the prefabricated wall 101 is spliced to a preset length, pouring concrete between the bottom of the prefabricated wall 101 and the bottom of the guide groove 7, and between the side wall of the prefabricated wall 101 and the wall of the guide groove 7; in this embodiment, the predetermined length is the length of the 10-sided prefabricated wall 101.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a prefabricated wall mounting process straightness adjustment structure that hangs down, which characterized in that includes: the guide walls (1) are pre-paved at the tops of two sides of the guide groove (7), the support rods (3) are used for penetrating through the prefabricated underground continuous wall (101), and the fasteners (4) are used for positioning the support rods (3) on the prefabricated underground continuous wall (101); the support rod (3) is erected on the guide wall (1), and the guide wall (1) is provided with a first driving piece (5) and a second driving piece (6), wherein the first driving piece is used for driving the support rod (3) to move towards the vertical direction, and the second driving piece is used for driving the support rod (3) to move towards the horizontal direction; the prefabricated wall (101) installation process perpendicularity adjusting structure further comprises: the air bags (103) are pre-buried at two sides of the bottom of the prefabricated underground continuous wall (101), and filling pieces for filling medium into the air bags (103);
the guide wall (1) comprises: the guide parts (11) and the supporting parts (12) are respectively preset at two opposite sides of the guide groove (7), and the supporting parts (12) are paved at one upward side of the two guide parts (11); a sinking groove (13) for erecting the support rod (3) is formed at the joint of the guide part (11) and the bearing part (12); the perpendicularity adjusting structure of the prefabricated underground continuous wall (101) in the installation process further comprises a supporting column (2), wherein the supporting column (2) is arranged at the bottoms of the guide part (11) and the bearing part (12);
the two ends of the support rod (3) are respectively sleeved with a cushion block (31), the first driving piece (5) and the second driving piece (6) are jacks, the first driving piece (5) is arranged between the cushion block (31) and the sinking groove (13), and the second driving piece (6) is arranged at the end part of the support rod (3) and the groove wall of the sinking groove (13);
further comprises: the mounting plate (8) is fixedly arranged on the groove wall of the sinking groove (13), the mounting plate (8) is provided with a sliding groove (81) for sliding the first driving piece (5) and the second driving piece (6), and a connecting rod (9) is arranged in the corner position of the mounting plate (8) corresponding to the sinking groove (13); the connecting rods (9) are respectively provided with a limiting rod (91) corresponding to the side walls of the first driving piece (5) and the second driving piece (6), and the connecting rods (9) are provided with third driving pieces (92) for driving the limiting rods (91) to move towards the direction approaching or far away from the connecting rods (9); the first driving piece (5) and the second driving piece (6) are provided with penetrating holes (51) for the limiting rods (91) to penetrate through; the limiting rod (91) is further provided with a limiting piece (93) used for limiting the relative position between the limiting rod (91) and the first driving piece (5) or the second driving piece (6).
2. The structure for adjusting the perpendicularity of the prefabricated underground diaphragm wall in the installation process according to claim 1, wherein a pair of air bags (103) are arranged at two sides of the bottom of the prefabricated underground diaphragm wall (101), and the two air bags (103) of the same pair are respectively arranged at two sides of the prefabricated underground diaphragm wall (101) in the horizontal direction.
3. A prefabricated wall installation perpendicularity adjusting structure according to claim 1 or 2, wherein the filler comprises: the connecting pipes (104) are embedded in the prefabricated underground continuous wall (101), the connecting pipes (104) are in one-to-one correspondence with the air bags (103), one end of each connecting pipe (104) is communicated with the air bag (103), and the other end of each connecting pipe extends out of the prefabricated underground continuous wall (101).
4. The prefabricated wall installation perpendicularity adjusting structure according to claim 1, further comprising: the fixing plate (105) is pre-arranged at the bottom end of the first-width prefabricated underground continuous wall (101) and the pouring pipe (106) is pre-arranged in the first-width prefabricated underground continuous wall (101), the guide groove (7) is pre-provided with a positioning groove (71) corresponding to the bottom position of the first-width prefabricated underground continuous wall (101), a concrete layer (72) is paved in the positioning groove (71), and the fixing plate (105) is pre-arranged in the concrete layer (72); the pouring tube (106) is communicated with the positioning groove (71).
5. The prefabricated wall installation perpendicularity adjusting structure according to claim 1, wherein the limiting member (93) comprises: the support ring (931) sleeved on the limiting rod (91) and the fixing nut (932) threaded on one end, far away from the connecting rod (9), of the limiting rod (91), the support ring (931) is abutted to one side of the first driving piece (5) or the second driving piece (6), and the fixing nut (932) is abutted to the other side of the first driving piece (5) or the second driving piece (6).
6. A construction method for a prefabricated wall-connecting installation process, based on the prefabricated wall-connecting installation process verticality adjustment structure according to claim 4, characterized in that the construction method comprises the following steps:
step one: constructing the support columns (2) in foundations at two sides of a preset guide groove (7);
step two: excavating a guide groove (7), paving the guide wall (1) at a position corresponding to the support column (2), and forming a sinking groove (13);
step three: the first prefabricated wall (101) is placed in the guide groove (7) and is in a suspended state, the supporting rod (3) is penetrated through the top of the first prefabricated wall (101), the fastening piece (4) is adopted for fixing, and the supporting rod (3) is erected in the sinking groove (13);
step four: measuring and obtaining errors of the first prefabricated ground connecting wall (101) in the width direction of the guide groove (7), errors in the vertical direction, perpendicularity deviation and torsion deviation errors;
step five: the error of the first prefabricated ground connecting wall (101) in the vertical direction is adjusted through the first driving piece (5), the error of the first prefabricated ground connecting wall (101) in the width direction of the guide groove (7) is adjusted through the second driving piece (6), the verticality deviation of the first prefabricated ground connecting wall (101) is adjusted through filling mortar into two air bags (103) positioned at one side, and the torsion deviation of the first prefabricated ground connecting wall (101) is adjusted through filling mortar into one air bag (103);
step six: sequentially lowering, positioning and adjusting the subsequent prefabricated underground continuous walls (101), and mutually inserting adjacent two prefabricated underground continuous walls (101);
step seven: and after the prefabricated diaphragm wall (101) is spliced to a preset length, pouring concrete between the bottom of the prefabricated diaphragm wall (101) and the bottom of the guide groove (7) and between the side wall of the prefabricated diaphragm wall (101) and the wall of the guide groove (7).
7. The construction method for the prefabricated wall mounting process according to claim 6, wherein the concrete method for lowering the first prefabricated wall (101) into the guide groove (7) comprises the following steps:
digging out the positioning groove (71) at the bottom of the guide groove (7) and corresponding to the position of the first prefabricated connecting wall (101), and lowering the first prefabricated connecting wall (101) into the guide groove (7) with the stabilizing plate (105) in the positioning groove (71);
after the fifth step, the construction method further includes:
and pouring concrete into the positioning groove (71) through the pouring pipe (106) to form the concrete layer (72).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310733585.7A CN116770813B (en) | 2023-06-19 | 2023-06-19 | Perpendicularity adjusting structure for prefabricated underground continuous wall installation process and construction method thereof |
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| CN202310733585.7A CN116770813B (en) | 2023-06-19 | 2023-06-19 | Perpendicularity adjusting structure for prefabricated underground continuous wall installation process and construction method thereof |
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