CN115288204B - Waterproof construction method for underground chamber outer wall in deep foundation pit fertilizer tank - Google Patents
Waterproof construction method for underground chamber outer wall in deep foundation pit fertilizer tank Download PDFInfo
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- CN115288204B CN115288204B CN202210915202.3A CN202210915202A CN115288204B CN 115288204 B CN115288204 B CN 115288204B CN 202210915202 A CN202210915202 A CN 202210915202A CN 115288204 B CN115288204 B CN 115288204B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a waterproof construction method for an outer wall of a basement in a deep foundation pit fertilizer groove, which comprises the following steps: a mobile operation platform is assembled on a hard base layer arranged on the bottom of a fertilizer groove between the basement outer wall structure and the deep foundation pit supporting structure; performing waterproof operation on each layer of operation surface from bottom to top until the side wall of the basement outer wall structure is completely waterproof, wherein: performing waterproof operation on a layer of operation surface area by area along the length direction of the fertilizer tank, and immediately performing backfilling operation on the area where the waterproof operation is completed; when the waterproof operation is finished on the last area of the working surface of the layer, after the corresponding standard knots of the number of the movable operation platform are removed, the movable operation platform is assembled on backfill soil again, when the backfill soil operation is carried out on the last area of the working surface of the layer, if the working surface which is not waterproof is present, the waterproof operation is continuously carried out on the working surface of the upper layer. The invention realizes the synchronous execution of the waterproofing and backfilling operation based on the mobile operation platform, accelerates the construction progress and reduces the construction cost.
Description
Technical Field
The invention relates to a waterproof construction method for a basement exterior wall in a deep foundation pit fertilizer tank based on a mobile operation platform, and belongs to the field of waterproof construction of basement exterior walls in deep foundation pit fertilizer tanks.
Background
At present, waterproof construction of a basement outer wall in a deep foundation pit fertilizer tank is widely popularized in various building projects, the construction process is required to be carried out by depending on a certain construction platform, and the existing method mainly adopts a ladder, a floor type scaffold or a backfill compaction surface of the fertilizer tank and the like as the construction platform. From practical implementation, it can be found that the basement exterior wall waterproof construction implemented in the deep foundation pit fertilizer tank based on the construction platforms has the following defects: firstly, for the method of adopting a ladder or a floor type scaffold as a construction platform, the construction difficulty is high, the construction process is long, the investment of time, manpower and material resources is large, more unsafe factors exist in the construction process, and the waterproof operation is inconvenient to develop smoothly; secondly, for the method of adopting a floor type scaffold as a construction platform, the whole deep foundation pit fertilizer tank needs to be fully covered with the scaffold, the scaffold needs to be used all the time in the whole construction process, and the construction cost is excessively high due to factors such as scaffold lease cost and the like; thirdly, for the method of adopting the backfill compacting surface of the fertilizer tank as a construction platform, the deep foundation pit is constructed in the sequence that the backfill with a certain elevation is backfilled and compacted to construct the outer wall waterproof with a certain elevation, but the construction quality of the construction mode is poor because the one-time construction waterproof height is limited, and only 2m-3m of waterproof can be constructed, so that the backfill is high in frequency, the position of a waterproof joint is easy to pollute and destroy, the construction period is prolonged, the construction cost is increased, and the leakage risk of the outer wall of the basement is increased.
Disclosure of Invention
The invention aims to provide a waterproof construction method for a basement outer wall in a deep foundation pit fertilizer groove, which realizes synchronous execution of waterproof operation and backfill operation based on a mobile operation platform, accelerates construction progress, reduces construction cost and ensures construction quality.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the waterproof construction method for the outer wall of the basement in the deep foundation pit fertilizer groove is characterized by comprising the following steps:
1) And assembling a mobile operation platform on a hard base layer arranged on the bottom of a fertilizer groove between the basement outer wall structure and the deep foundation pit supporting structure, wherein: dividing the side wall of the basement outer wall structure, which needs to be subjected to waterproof operation, into a plurality of layers of operation surfaces along the up-down direction, and dividing the fertilizer groove into a plurality of areas along the length direction of the fertilizer groove;
2) Performing waterproof operation on each layer of operation surface from bottom to top until the side wall of the basement outer wall structure is completely waterproof:
2-1) carrying out waterproof operation on one layer of operation surface area by area along the length direction of the fertilizer groove, wherein the area where the waterproof operation is completed is immediately subjected to backfilling operation;
2-2) when the water-proof operation is finished on the last area of the working surface of the layer, removing the standard knots with corresponding numbers on the mobile operation platform, and then assembling the mobile operation platform on the hard base layer arranged on the backfill soil of 2-1) again;
2-3) while performing backfilling operation on the last area of the layer of working surface, if the working surface which is not subjected to waterproof operation still exists on the layer of working surface, returning to perform 2-1), otherwise entering 3);
3) Ending;
wherein: the movable operation platform comprises a columnar support frame, wherein the support frame is composed of a plurality of standard sections of lattice columns which can be assembled up and down; the bottom of the support frame is provided with a bottom pulley, and the two sides of the top of the support frame are respectively provided with a main truss and a secondary truss; two sides of the supporting frame are provided with a plurality of self-adaptive sliding opposite supports and a plurality of adjustable rigid opposite supports; the lifting carriage is connected with a lifting device arranged on the support frame, so that a worker stands in the lifting carriage to perform waterproof operation on a layer of operation surface by means of lifting and descending of the lifting device; when the support frame is in the fertilizer groove, the main pulley arranged on the main truss is embedded in the main rail arranged on the basement roof structure above the basement outer wall structure and can roll along the main rail, and the secondary pulley arranged on the secondary truss is embedded in the secondary rail arranged on the deep foundation pit supporting structure and can roll along the secondary rail, so that the movement of the movable operation platform along the length direction of the fertilizer groove is realized.
The invention has the advantages that:
the invention realizes the synchronous execution of the waterproof operation and the backfill operation based on the mobile operation platform, in other words, the invention utilizes the mobile turnover use of the mobile operation platform on each layer of operation surface, so that the cross-type running water construction of the waterproof operation and the backfill operation is possible, the time and the labor are saved, the construction progress is quickened, the construction cost is greatly reduced, the waterproof construction quality is ensured, the risk of leakage of the basement exterior wall is reduced, the construction is safe and reliable, the invention is suitable for the waterproof construction of the basement exterior wall in various size fertilizer tanks, and the invention is suitable for popularization.
Drawings
FIG. 1 is a schematic view of a mobile operating platform placed at the bottom of a deep foundation pit fertilizer tank.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
Fig. 4 is an enlarged schematic view of a portion C in fig. 1.
Fig. 5 is a schematic view of the mobile operator platform placed on the backfill.
Detailed Description
The invention provides a waterproof construction method of a basement exterior wall in a deep foundation pit fertilizer groove, which is understood with reference to fig. 1 to 5 and comprises the following steps:
1) A mobile operation platform is assembled on a hard base layer (not shown in the figure) arranged on the bottom of a fertilizer groove 80 between the basement outer wall structure 60 and the deep foundation pit supporting structure 70, wherein: the side wall 601 of the basement exterior wall structure 60, which is required to be subjected to waterproofing operation, is divided into a plurality of layers of working surfaces (usually divided into 2 layers), and the fertilizer tank 80 is divided into a plurality of areas along the length direction of the fertilizer tank;
2) The waterproof operation is carried out on each layer of operation surface from bottom to top until the side wall 601 of the basement exterior wall structure 60 is completely waterproof:
2-1) carrying out waterproof operation on one layer of operation surface area by area along the length direction of the fertilizer groove, wherein the area where the waterproof operation is completed is immediately subjected to backfilling operation;
2-2) when the water-proof operation is finished on the last area of the working surface of the layer, the movable operation platform is assembled again on a hard base layer (not shown in the figure) arranged on the backfill soil 90 of 2-1) after the corresponding number of standard knots on the movable operation platform are removed according to the actual working conditions such as elevation of the working surface of the next construction (as understood by referring to figure 5);
2-3) while performing backfilling operation on the last area of the layer of working surface, if the working surface which is not subjected to waterproof operation still exists on the layer of working surface, returning to perform 2-1), otherwise entering 3);
3) And finishing the waterproof construction of the underground outdoor wall in the deep foundation pit fertilizer groove;
wherein: the mobile operation platform comprises a columnar support frame 10, wherein the support frame 10 is composed of a plurality of standard lattice column joints which can be assembled up and down; the bottom of the support frame 10 is provided with a bottom pulley 43, and the two sides of the top of the support frame 10 facing the basement outer wall structure 60 and the deep foundation pit supporting structure 70 are respectively provided with a main truss 21 and a secondary truss 22; the two sides of the support frame 10 facing the basement outer wall structure 60 and the deep foundation pit supporting structure 70 are provided with a plurality of self-adaptive sliding opposite supports 41 and a plurality of adjustable rigid opposite supports 42; the lifting carriage 51 is connected with a lifting device 52 arranged on the support frame 10, so that a worker stands in the lifting carriage 51 to perform waterproof operation on a layer of operation surface by means of lifting and lowering of the lifting device 52; when the support frame 10 is in the fertilizer tank 80, the main pulley 210 mounted on the main truss 21 is embedded in the main rail 31 arranged on the basement roof structure 61 above the basement outer wall structure 60 and can roll along the main rail 31, and the secondary pulley 220 mounted on the secondary truss 22 is embedded in the secondary rail 32 arranged on the deep foundation pit supporting structure 70 and can roll along the secondary rail 32, so that the movement of the movable operation platform along the length direction of the fertilizer tank is realized.
In the invention, the components of the support frame 10, the bottom pulley 43, the main truss 21 and the main pulley 210 thereon, the secondary truss 22 and the secondary pulley 220 thereon, the main rail 31, the secondary rail 32, the lifting device 52, the lifting carriage 51, the self-adaptive sliding counter-support 41 and the adjustable rigid counter-support 42 of the mobile operation platform can be assembled on site at a construction site.
In actual implementation, when the water-proof operation is finished on the last area of the uppermost layer of working surface, the movable operation platform is directly disassembled and removed without re-assembly.
In the invention, the hard base layer is an overhanging raft or a steel plate liner, and is not limited. In the actual construction process, the hard base layer is removed or withdrawn as required.
In the present invention, the waterproofing work includes painting waterproof paint on the side wall 601 of the basement outer wall structure 60 by a worker standing in the carriage 51, pasting a coiled material, pasting a benzene plate of a waterproof protective layer, and the backfilling work includes earth dumping backfilling by a manual method. The waterproofing operation and backfilling operation are well known methods in the art and are not described in detail herein.
In practical design, the bottom pulley 43 is mounted on the bottom of the support frame 10 via a height-adjustable base (not shown), so that rapid leveling of the support frame 10 can be achieved.
When the support frame 10 moves in the fertilizer slot 80 along the length direction of the fertilizer slot by means of the bottom pulley 43, the main pulley 210 and the secondary pulley 220, the rollers 414 of the sliding counter-braces 41 are respectively adapted to tightly prop against the side walls of the basement outer wall structure 60 or the deep foundation pit supporting structure 70 to roll, and the top blocks 424 of the adjustable rigidity counter-braces 42 are not contacted with the side walls of the basement outer wall structure 60 and the deep foundation pit supporting structure 70.
When the support frame 10 moves in place in the fertilizer slot 80 along the length direction of the fertilizer slot by means of the bottom pulley 43, the main pulley 210 and the secondary pulley 220, the rollers 414 of the respective adaptive sliding counter-braces 41 are abutted against the side walls of the basement outer wall structure 60 or the deep foundation pit supporting structure 70 in a locked state (non-rolling state), and the top blocks 424 of the respective adjustable rigid counter-braces 42 are abutted against the side walls of the basement outer wall structure 60 or the deep foundation pit supporting structure 70.
As shown in fig. 3, the self-adaptive sliding counter-support 41 includes a base 411 fixed on the support frame 10, and a support rod 412 is movably embedded in the base 411, i.e. the support rod 412 can retract and extend relative to the base 411 without being separated from the base 411, wherein: the stay 412 is formed by connecting a thin rod 4121 and a thick rod 4122, the thin rod 4121 stretches into the base 411, a spring 413 is sleeved on the part of the thin rod 4121 stretching out of the base 411, the spring 413 is arranged between the thick rod 4122 outside the base 411 and the base 411, and a roller 414 with a self-locking function is rotatably arranged at the end part of the thick rod 4122 at 90 degrees; when the support frame 10 moves in the fertilizer groove 80, the roller 414 rotates until the round end face faces to the vertical direction, and under the action of the elasticity of the spring 413, the roller 414 in the unlocking state tightly abuts against the side wall of the basement outer wall structure 60 or the deep foundation pit supporting structure 70 to roll; when the support frame 10 moves in place in the fertilizer tank 80, the roller 414 reversely rotates until the round end faces to the horizontal direction, and the self-locking device cannot roll, namely, is in a locking state.
Here, the roller 414 has a rolling surface and a circular end surface, and the circular end surface refers to a circular end surface on which the rolling bearing is mounted on the roller 414. The structure of the roller 414 rotatably mounted on the stay 412 by 90 ° is well known, and the self-locking function can be achieved by mounting a self-locking device, so that the detailed description will not be given.
In the invention, the self-adaptive sliding opposite support 41 is designed by the spring, so that the self-adaptive sliding opposite support 41 can adapt to the uneven side walls of the basement outer wall structure 60 and the deep foundation pit supporting structure 70, the roller 414 can slide smoothly, and the stability of the mobile operation platform in the static use or dynamic moving process is effectively ensured by the self-adaptive sliding opposite support 41.
As shown in fig. 4, the adjustable rigid opposite support 42 includes a fixed seat 421 fixed on the support frame 10, a screw 422 is protruding on the fixed seat 421, one end of an adjusting rod 423 is movably screwed with the screw 422, and the other end of the adjusting rod 423 is provided with a top block 424, wherein: the top block 424 is tightly propped against the side wall of the basement outer wall structure 60 or the deep foundation pit supporting structure 70 by screwing the adjusting rod 423 on the screw 422, and the top block 424 is separated from the side wall of the basement outer wall structure 60 or the deep foundation pit supporting structure 70.
In practical designs, the shape and size of the top piece 424 are not limited. For example, as shown in fig. 4, the top block 424 may be a regular square block for directly abutting against the side wall of the basement outer wall structure 60 or the deep foundation pit supporting structure 70, or the top block 424 may be an irregular inclined block for abutting against the anchor cable supporting i-steel 71 of the deep foundation pit supporting structure 70.
The construction of anchor cable support I-steel 71 on deep foundation pit support structure 70 is known in the art and is not described in detail herein.
In practical design, the support frame 10 is preferably installed with the adaptive sliding pair support 41 in pairs on both sides of the basement outer wall structure 60 and the deep foundation pit supporting structure 70, so that the two adaptive sliding pair supports 41 in pairs can be propped between the basement outer wall structure 60 and the deep foundation pit supporting structure 70, thereby playing a role in transversely propping the whole movable operation platform to improve stability and use safety.
Similarly, the two sides of the support frame 10 facing the basement outer wall structure 60 and the deep foundation pit supporting structure 70 are preferably provided with the adjustable rigidity pair supports 42 in pairs, so that the two adjustable rigidity pair supports 42 in pairs can be propped between the basement outer wall structure 60 and the deep foundation pit supporting structure 70, thereby playing the roles of transversely propping the whole movable operation platform to improve stability and use safety.
In the invention, the number and the positions of the self-adaptive sliding counter-struts 41 and the adjustable rigid counter-struts 42 mounted on the support frame 10 can be reasonably designed according to actual requirements without limitation. For example, as shown in fig. 2, an adaptive sliding pair support 41 may be separately designed on the top side of the support frame 10.
In the present invention, the adaptive sliding diagonal bracing 41 effectively ensures stability in the moving process, and the adjustable rigid diagonal bracing 42 ensures stability after moving in place, so that the adaptive sliding diagonal bracing 41 and the adjustable rigid diagonal bracing 42 work cooperatively and are indispensable.
As shown in fig. 2, the main rail 31 is disposed on the basement roof structure 61 along the length direction of the fertilizer tank, and the sub rail 32 is disposed on the deep foundation pit supporting structure 70 along the length direction of the fertilizer tank, wherein: two main sliding grooves are arranged on the main rail 31, and a main pulley 210 with a self-locking function is movably embedded in each main sliding groove; the secondary track 32 is provided with two secondary sliding grooves, and each secondary sliding groove is movably embedded with a secondary pulley 220 with a self-locking function, which is not limited.
In addition, the number of the main rails 31, 32 is not limited, and for example, fig. 2 shows a case where two sub rails 32 are designed in parallel.
In the invention, the main truss 21 and the main rail 31, the secondary truss 22 and the secondary rail 32 are designed to stably support the movement of the large steel structure along the length direction of the fertilizer slot, such as the movement operation platform.
In the present invention, the lifting device 52 includes a driving motor 521 (e.g., a hoist, etc.) mounted on the hoist box 51, the driving motor 521 being connected to a fixed shaft 523 fixed to the top of the support frame 10 through a traction wire rope 522, wherein: the traction wire 522 is wound and unwound by the driving motor 521 to raise and lower the cage 51.
In general, one driving motor 521 is preferably installed on each side of the cage 51. The hanging cage 51 is mainly used for construction work by a constructor standing thereon. The form of the cage 51 can be varied and is not limited.
Of course, other devices, such as upper and lower limit switches, etc., may be configured for the lifting device 52 according to the construction requirements, without limitation.
In the invention, the standard knot can be composed of a cross bar, a vertical rod and a diagonal brace, and is not limited.
In the invention, the height of the supporting frame 10 can be reasonably designed according to the condition of a fertilizer tank in an actual construction site, the rigidity of the supporting frame is required to ensure that the whole mobile operation platform is stressed stably, the bottom pulley can effectively play a role in rotation, and the like.
In the present invention, the supporting frame 10, the main truss 21, the sub-truss 22, the main rail 31, the sub-rail 32, the fixing seat 421 of the adjustable rigid counter-support 42, the screw 422, the adjusting rod 423, the base 411 of the adaptive sliding counter-support 41, the stay 412, etc. are all made of steel materials.
In practice, it is preferable to continuously remove a corresponding number of standard knots from the lowermost standard knot of the support frame 10, and when the standard knots are removed, by controlling the rolling of the main pulley 210 of the main truss 21 along the main rail 31 and the rolling of the secondary pulley 220 of the secondary truss 22 along the secondary rail 32, the main truss 21 and the secondary truss 22 drive the remaining standard knots which are not removed and the lifting device 52 and the cage 51 thereof to move onto the hard base layer provided on the backfill soil 90, then reinstall the bottom pulley 43 at the bottom of the lowermost standard knot at this time, and adjust the installation positions of the adaptive sliding counter-braces 41 and the adjustable rigid counter-braces 42 on the corresponding standard knots.
As in fig. 1, the width direction of the fertilizer slot and the length direction of the fertilizer slot are shown.
The invention has the beneficial effects that:
1. the invention reduces unsafe factors in the construction process, has convenient construction and small difficulty, and can effectively save the cost of manpower, material resources, time and the like.
2. The invention can reduce the renting cost such as long time full scaffold in the deep foundation pit fertilizer tank, the movable operation platform only needs to simply dismantle a plurality of standard sections after one-time assembly is completed, the whole movable operation platform is not required to be reassembled, time and labor are saved, excessive mechanical equipment and manpower are not required to be input, and the construction cost and time are saved.
3. The invention utilizes the movable operation platform, greatly increases the height of the one-time construction waterproof operation surface, greatly reduces the number of waterproof joints, and then the backfill soil is not easy to pollute and destroy the waterproof joint position in the backfill soil process.
4. According to the invention, the waterproof operation and the backfilling operation can be synchronously carried out in the fertilizer tank, namely the waterproof construction of the basement outer wall can be continuously carried out at one time, the waterproof construction quality is ensured, the leakage risk of the basement outer wall is reduced, the construction period is shortened, and the cost is reduced.
5. The mobile operation platform has simple structure, convenient installation, disassembly and assembly, simple operation, turnover and repeated use, and high practicality and popularity.
The foregoing is a description of the preferred embodiments of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any modifications, equivalent changes, simple substitutions and the like based on the technical scheme of the present invention can be made without departing from the spirit and scope of the present invention.
Claims (10)
1. The waterproof construction method for the outer wall of the basement in the deep foundation pit fertilizer groove is characterized by comprising the following steps:
1) And assembling a mobile operation platform on a hard base layer arranged on the bottom of a fertilizer groove between the basement outer wall structure and the deep foundation pit supporting structure, wherein: dividing the side wall of the basement outer wall structure, which needs to be subjected to waterproof operation, into a plurality of layers of operation surfaces along the up-down direction, and dividing the fertilizer groove into a plurality of areas along the length direction of the fertilizer groove;
2) Performing waterproof operation on each layer of operation surface from bottom to top until the side wall of the basement outer wall structure is completely waterproof:
2-1) carrying out waterproof operation on one layer of operation surface area by area along the length direction of the fertilizer groove, wherein the area where the waterproof operation is completed is immediately subjected to backfilling operation;
2-2) when the water-proof operation is finished on the last area of the working surface of the layer, removing the standard knots with corresponding numbers on the mobile operation platform, and then assembling the mobile operation platform on the hard base layer arranged on the backfill soil of 2-1) again;
2-3) while performing backfilling operation on the last area of the layer of working surface, if the working surface which is not subjected to waterproof operation still exists on the layer of working surface, returning to perform 2-1), otherwise entering 3);
3) Ending;
wherein: the movable operation platform comprises a columnar support frame, wherein the support frame is composed of a plurality of standard sections of lattice columns which can be assembled up and down; the bottom of the support frame is provided with a bottom pulley, and the two sides of the top of the support frame are respectively provided with a main truss and a secondary truss; two sides of the supporting frame are provided with a plurality of self-adaptive sliding opposite supports and a plurality of adjustable rigid opposite supports; the lifting carriage is connected with a lifting device arranged on the support frame, so that a worker stands in the lifting carriage to perform waterproof operation on a layer of operation surface by means of lifting and descending of the lifting device; when the support frame is in the fertilizer groove, the main pulley arranged on the main truss is embedded in the main rail arranged on the basement roof structure above the basement outer wall structure and can roll along the main rail, and the secondary pulley arranged on the secondary truss is embedded in the secondary rail arranged on the deep foundation pit supporting structure and can roll along the secondary rail, so that the movement of the movable operation platform along the length direction of the fertilizer groove is realized.
2. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer tank is characterized by comprising the following steps:
when the water-proof operation is finished on the last area of the uppermost layer of operation surface, the movable operation platform is directly disassembled and removed without re-assembly.
3. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer tank is characterized in that:
the hard base layer is an overhanging raft or a steel plate liner.
4. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer tank is characterized by comprising the following steps:
when the supporting frame moves in the fertilizer groove along the length direction of the fertilizer groove, the rolling wheels of the self-adaptive sliding opposite supporting are tightly propped against the side walls of the basement outer wall structure or the deep foundation pit supporting structure to roll, and the jacking blocks of the adjustable rigid opposite supporting are not contacted with the side walls of the basement outer wall structure and the deep foundation pit supporting structure;
when the supporting frame moves in place in the fertilizer groove along the length direction of the fertilizer groove, the rolling wheels of the self-adaptive sliding opposite supporting are tightly propped against the side wall of the basement outer wall structure or the deep foundation pit supporting structure in a locking state, and the jacking blocks of the adjustable rigidity opposite supporting are tightly propped against the side wall of the basement outer wall structure or the deep foundation pit supporting structure.
5. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer slot of claim 4, which is characterized in that:
the self-adaptive sliding opposite support comprises a base fixed on the support frame, a support rod is movably embedded on the base, and the self-adaptive sliding opposite support comprises: the stay bar is formed by connecting a thin rod and a thick rod, a spring is sleeved on the part of the thin rod extending into the base and the part of the thin rod extending out of the base, the spring is arranged between the thick rod positioned outside the base and the base, and the end part of the thick rod can be rotatably provided with the roller with a self-locking function at 90 degrees; when the supporting frame moves in the fertilizer groove, the roller rotates until the round end face faces to the vertical direction, and under the elastic force of the spring, the roller tightly abuts against the side wall of the basement outer wall structure or the side wall of the deep foundation pit supporting structure to roll; when the supporting frame moves in place in the fertilizer groove, the roller reversely rotates until the round end face faces the horizontal direction, and the self-locking cannot roll.
6. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer slot of claim 4, which is characterized in that:
the adjustable rigidity is to propping up including being fixed in fixing base on the support frame, the fixing base epirelief is equipped with the screw rod, and the one end and the screw rod activity spiro union of regulation pole are adjusted the other end and are installed the kicking block, wherein: the jacking block is tightly propped against the side wall of the basement outer wall structure or the deep foundation pit supporting structure by screwing the adjusting rod on the screw rod, and the jacking block is separated from the side wall of the basement outer wall structure or the deep foundation pit supporting structure.
7. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer slot of claim 4, which is characterized in that:
the two sides of the supporting frame are provided with the self-adaptive sliding opposite supports in pairs, so that the two self-adaptive sliding opposite supports in pairs can be propped between the basement outer wall structure and the deep foundation pit supporting structure;
the adjustable rigidity opposite supports are installed on two sides of the supporting frame in pairs, so that the two adjustable rigidity opposite supports in pairs can be propped between the basement outer wall structure and the deep foundation pit supporting structure.
8. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer tank is characterized by comprising the following steps:
the main track sets up on basement roof structure along fertile groove length direction, the secondary track sets up on deep basal pit supporting construction along fertile groove length direction, wherein: two main sliding grooves are formed in the main rail, and each main sliding groove is movably embedded with the main pulley with the self-locking function; the secondary track is provided with two secondary sliding grooves, and each secondary sliding groove is movably embedded with the secondary pulley with a self-locking function.
9. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer slot of claim 8, which is characterized in that:
and continuously removing the corresponding standard sections from the lowest surface of the support frame, after the standard sections are removed, controlling the main pulleys of the main truss to roll along the main rail and the secondary pulleys of the secondary truss to roll along the secondary rail, so that the main truss and the secondary truss drive the rest standard sections which are not removed, the lifting device and the lifting carriage to move to a hard base layer arranged on backfill soil, and then reinstalling the bottom pulleys at the bottom of the lowest standard section at the moment, and adjusting the installation positions of the self-adaptive sliding opposite support and the adjustable rigid opposite support on the corresponding standard sections.
10. The waterproof construction method for the basement exterior wall in the deep foundation pit fertilizer tank is characterized by comprising the following steps:
the elevating gear is including installing driving motor on the hoist car, driving motor passes through traction wire rope with be fixed in the fixed axle at support frame top is connected, wherein: the traction steel wire rope is retracted and released under the action of the driving motor, so that the lifting carriage can ascend and descend.
Priority Applications (1)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998015696A1 (en) * | 1996-10-07 | 1998-04-16 | Genghou Deng | A method of lifting structure from above to below |
| JP2001146842A (en) * | 1999-11-22 | 2001-05-29 | Abekogyosho Co Ltd | Building device for and building method of sidewall panel |
| CN206391026U (en) * | 2016-10-27 | 2017-08-11 | 吉林百合口腔医院股份有限公司 | A kind of miniature parallel machine for processing artificial tooth |
| CN113863330A (en) * | 2021-12-02 | 2021-12-31 | 中建八局第二建设有限公司 | Ultra-deep foundation pit narrow fertilizer groove concrete backfill structure and construction method |
-
2022
- 2022-08-01 CN CN202210915202.3A patent/CN115288204B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998015696A1 (en) * | 1996-10-07 | 1998-04-16 | Genghou Deng | A method of lifting structure from above to below |
| US6082058A (en) * | 1996-10-07 | 2000-07-04 | Deng; Genghou | Lifting method of building construction from top to bottom |
| JP2001146842A (en) * | 1999-11-22 | 2001-05-29 | Abekogyosho Co Ltd | Building device for and building method of sidewall panel |
| CN206391026U (en) * | 2016-10-27 | 2017-08-11 | 吉林百合口腔医院股份有限公司 | A kind of miniature parallel machine for processing artificial tooth |
| CN113863330A (en) * | 2021-12-02 | 2021-12-31 | 中建八局第二建设有限公司 | Ultra-deep foundation pit narrow fertilizer groove concrete backfill structure and construction method |
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| CN115288204A (en) | 2022-11-04 |
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