CN110306534B - Construction method of three-in-one underground continuous wall - Google Patents
Construction method of three-in-one underground continuous wall Download PDFInfo
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- CN110306534B CN110306534B CN201910605776.9A CN201910605776A CN110306534B CN 110306534 B CN110306534 B CN 110306534B CN 201910605776 A CN201910605776 A CN 201910605776A CN 110306534 B CN110306534 B CN 110306534B
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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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Abstract
The invention discloses a construction method of a three-in-one underground continuous wall, which comprises the following steps of firstly, preparing measurement; step two, assembling the bottom plate; step three, wall assembling and installation; step four, component installation: sliding the second stabilizing frame at the bottom of the prefabricated connecting piece prepared in the step one into the pouring hole assembled in the step three, and clamping the first connecting cylinder at the bottom of the prefabricated connecting piece on the surface of the second connecting cylinder; step five, assembling a top plate; step six, pouring and fixing; the invention relates to the technical field of civil engineering. This three-in-one underground continuous wall construction method utilizes prefabricated subassembly to assemble earlier, simple structure, and the equipment saves time more, and construction speed is faster, and efficiency is better, then assembles frame-type template, and the concrete of deuterogamying pours, and the structure is more stable, not only can reach waterproof, the effect of retaining soil, can also reach the effect of weighing, realizes the purpose of three-in-one walls, has saved space and resource, reduces the construction puzzlement.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a construction method of a three-in-one underground continuous wall.
Background
The underground continuous wall is a remote foundation engineering, and is characterized by that on the ground a long and narrow deep groove is dug along the peripheral axis of deep excavation engineering under the condition of slurry wall protection, after the groove is cleaned, a reinforcing bar cage is suspended in the groove, then the underwater concrete is poured by using conduit method to form a unit groove section, so that it can be used for building a continuous reinforced concrete wall under the ground, and can be used as water-stopping, seepage-proofing, bearing and water-retaining structure, can be used for building deep foundation pit support in dense building group and making reverse construction, and can be used for various geological conditions including sandy soil layer and sand-gravel layer whose grain size is less than 50 mm. The method is suitable for building basements, underground shopping malls, parking lots, underground oil depots, retaining walls, deep foundations of high-rise buildings, reverse construction building enclosures, deep pools, pits, vertical shafts and the like of industrial buildings.
The existing underground continuous wall is mostly on the ground, narrow and deep foundation grooves are dug in the underground by using a plurality of grooving machines and the wall protection effect of slurry, and proper materials are poured in the foundation grooves to form a continuous underground wall body with seepage prevention, soil retaining or bearing functions.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method of a three-in-one underground continuous wall, which solves the problems that the existing underground continuous wall needs to select materials according to different functions, and meanwhile, walls with different functions need to be additionally built, so that the occupied area is wide, the resource consumption is high, the construction is complicated, and a lot of troubles are brought to the engineering.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a construction method of a three-in-one underground continuous wall specifically comprises the following steps:
step one, preparation measurement: determining the reasonable soil penetration depth of the load-bearing underground continuous wall through calculation and field load tests, determining the maximum sizes and weights of a prefabricated bottom plate, a stable bottom plate, a prefabricated group wall, a prefabricated connecting piece and a prefabricated top plate according to the actual possible prefabrication, transportation, hoisting and other conditions of the excavated groove, and determining the installation site of a crane;
step two, assembling a bottom plate: hoisting the prefabricated bottom plate into the dug groove by using a crane, clamping the connecting structure at one end of the prefabricated bottom plate prepared in one step I with the connecting structure at one end of the prefabricated bottom plate prepared in the other step I, and then placing the stable bottom plate prepared in the step I into a groove-shaped space formed by the connecting structures;
step three, wall assembling and installation: c, utilizing a crane to enable the first pouring holes of the prefabricated group wall prepared in the step one to be attached to the surface of the first stabilizing frame and to be sequentially arranged, and finishing the group wall installation;
step four, component installation: sliding the second stabilizing frame at the bottom of the prefabricated connecting piece prepared in the step one into the pouring hole assembled in the step three, and clamping the first connecting cylinder at the bottom of the prefabricated connecting piece on the surface of the second connecting cylinder;
step five, assembling a top plate: mounting the prefabricated assembled wall manufactured in the first step by repeating the method in the third step, and mounting the prefabricated roof manufactured in the first step by repeating the method in the fourth step;
step six, pouring and fixing: and (4) directly pouring concrete into the pouring holes assembled in the fifth step, adding reinforcement cages into the first connecting cylinder and the second connecting cylinder assembled in the fifth step, pouring concrete, enabling the concrete to flow into the clamping grooves along the through grooves, filling a part of waterproof materials at the connecting gaps of the prefabricated connecting pieces, and solidifying for a period of time to obtain the underground continuous wall.
Preferably, the inner surfaces of the prefabricated bottom plate and the prefabricated connecting piece are fixedly connected with the outer surface of the first stabilizing frame, and the inner surfaces of the prefabricated top plate and the outer surface of the prefabricated connecting piece are fixedly connected with the top end of the second stabilizing frame.
Preferably, the number of the pouring holes is two, and the two pouring holes are respectively arranged on the left side and the right side of the top of the prefabricated group wall.
Preferably, the connecting structure comprises a first fastening groove plate and a first fastening plate, and the outer surface of the first fastening plate is slidably connected with the inner surface of the first fastening groove plate.
Preferably, the number of the first buckling groove plates and the number of the first buckling plates are two, the two first buckling groove plates are respectively arranged on the front side and the rear side of one end of the prefabricated bottom plate, and the two first buckling plates are respectively arranged on the front side and the rear side of the other end of the prefabricated bottom plate.
Preferably, the inner surface of the connecting structure is slidably connected with the outer surface of the stabilizing bottom plate, and the top of the stabilizing bottom plate is fixedly connected with the bottom of the second connecting cylinder.
Preferably, the middle parts of the bottom and the top of the prefabricated connecting piece are respectively communicated with the top of the first connecting cylinder and the bottom of the second connecting cylinder, the middle part of the bottom of the prefabricated top plate is communicated with the top of the first connecting cylinder, and the top of the outer surface of the second connecting cylinder is slidably connected with the bottom of the inner surface of the first connecting cylinder.
Preferably, the through grooves are respectively formed in the surfaces of the first connecting cylinder and the second connecting cylinder, and the clamping grooves are formed in the left side and the right side of the prefabricated combined wall.
(III) advantageous effects
The invention provides a construction method of a three-in-one underground continuous wall. The method has the following beneficial effects:
the construction method of the three-in-one underground continuous wall comprises the following steps: determining the reasonable soil penetration depth of the load-bearing underground continuous wall through calculation and field load tests, determining the maximum sizes and weights of a prefabricated bottom plate, a stable bottom plate, a prefabricated group wall, a prefabricated connecting piece and a prefabricated top plate according to the actual possible prefabrication, transportation, hoisting and other conditions of the excavated groove, and determining the installation site of a crane; step two, assembling a bottom plate: hoisting the prefabricated bottom plate into the dug groove by using a crane, clamping the connecting structure at one end of the prefabricated bottom plate prepared in one step I with the connecting structure at one end of the prefabricated bottom plate prepared in the other step I, and then placing the stable bottom plate prepared in the step I into a groove-shaped space formed by the connecting structures; step three, wall assembling and installation: c, utilizing a crane to enable the first pouring holes of the prefabricated group wall prepared in the step one to be attached to the surface of the first stabilizing frame and to be sequentially arranged, and finishing the group wall installation; step four, component installation: sliding the second stabilizing frame at the bottom of the prefabricated connecting piece prepared in the step one into the pouring hole assembled in the step three, and clamping the first connecting cylinder at the bottom of the prefabricated connecting piece on the surface of the second connecting cylinder; step five, assembling a top plate: mounting the prefabricated assembled wall manufactured in the first step by repeating the method in the third step, and mounting the prefabricated roof manufactured in the first step by repeating the method in the fourth step; step six, pouring and fixing: the concrete is directly poured into the pouring holes which are assembled in the fifth step, meanwhile, a reinforcement cage is added into the first connecting cylinder and the second connecting cylinder which are assembled in the fifth step, concrete is poured again, the concrete flows into the clamping grooves along the through grooves, then, a part of waterproof materials are filled in the connecting gaps of the prefabricated connecting pieces, after the waterproof materials are solidified for a period of time, the underground continuous wall is manufactured, firstly, the prefabricated components are utilized for assembly, the structure is simple, the assembly saves more time, the construction speed is higher, the efficiency is better, then, a frame type template is assembled, the concrete is matched for pouring, the structure is more stable, the waterproof and soil retaining effects can be achieved, the weighing effect can be achieved, the purpose of integrating three walls is achieved, the space and the resources are saved, and the construction trouble is reduced.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the connection of the pouring hole with the first and second stabilizer structures of the present invention;
FIG. 3 is a top view of the prefabricated base panel and prefabricated wall assemblies of the present invention after assembly;
FIG. 4 is a schematic view of the connection of the base plate to the second connector barrel arrangement of the present invention;
fig. 5 is a schematic view of the connection of the first and second connector barrel configurations of the present invention.
In the figure, 1-prefabricated bottom plate, 2-stable bottom plate, 3-prefabricated group wall, 4-prefabricated connecting piece, 5-prefabricated top plate, 6-connection structure, 7-first stabilizer, 8-second stabilizer, 9-pouring hole, 10-first connecting cylinder, 11-second connecting cylinder, 12-through groove, 13-clamping groove, 14-first buckling groove plate and 15-first buckling plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a construction method of a three-in-one underground continuous wall specifically comprises the following steps:
step one, preparation measurement: determining the reasonable soil penetration depth of the load-bearing underground continuous wall through calculation and field load tests, determining the maximum sizes and weights of the prefabricated bottom plate 1, the stable bottom plate 2, the prefabricated group wall 3, the prefabricated connecting piece 4 and the prefabricated top plate 5 according to the actual possible prefabrication, transportation, hoisting and other conditions of the dug-out groove, and determining the installation site of the crane;
step two, assembling a bottom plate: hoisting the prefabricated bottom plate 1 into the dug groove by using a crane, clamping the connecting structure 6 at one end of the prefabricated bottom plate 1 prepared in one step I with the connecting structure 6 at one end of the prefabricated bottom plate 1 prepared in the other step I, and then placing the stable bottom plate 2 prepared in the step I into a groove-shaped space formed by the connecting structures 6;
step three, wall assembling and installation: c, utilizing a crane to enable the first pouring holes of the prefabricated group wall 3 prepared in the step one to be attached to the surface of the first stabilizing frame 7 and sequentially arranged to complete the group wall installation;
step four, component installation: sliding the second stabilizing frame 8 at the bottom of the prefabricated connecting piece 4 prepared in the first step into the pouring hole 9 assembled in the third step, and clamping the first connecting cylinder 10 at the bottom of the prefabricated connecting piece 4 on the surface of the second connecting cylinder 11;
step five, assembling a top plate: the prefabricated combined wall 3 prepared in the step one is installed by repeating the method of the step three, and then the prefabricated roof 5 prepared in the step one is installed by repeating the method of the step four;
step six, pouring and fixing: directly pouring concrete into the pouring holes 9 assembled in the fifth step, simultaneously adding a reinforcement cage into the first connecting cylinder 10 and the second connecting cylinder 11 assembled in the fifth step, pouring concrete, enabling the concrete to flow into the clamping grooves 13 along the through grooves 12, then filling a part of waterproof material at the connecting gaps of the prefabricated connecting pieces 4, and after the waterproof material is solidified for a period of time, preparing the underground continuous wall, firstly, assembling by utilizing prefabricated components, the structure is simple, the assembly is more time-saving, the construction speed is higher, the efficiency is better, then, a frame type template is assembled, and pouring is carried out by matching with the concrete, the structure is more stable, the waterproof and soil-retaining effects can be achieved, the weighing effect can be achieved, the purpose of integrating three walls into one is achieved, the space and resources are saved, the construction trouble is reduced, and the problem that the existing underground continuous wall needs to select materials according to different functions is solved, meanwhile, walls with different functions need to be additionally built, the occupied area is wide, the resource consumption is high, the construction is complicated, and a lot of troubles are brought to the engineering
The inner surfaces of the prefabricated bottom plate 1 and the prefabricated connecting piece 4 are fixedly connected with the outer surface of a first stabilizing frame 7, the inner surface of the prefabricated top plate 5 and the outer surface of the prefabricated connecting piece 4 are fixedly connected with the top end of a second stabilizing frame 8, the first stabilizing frame 7 and the first stabilizing frame 7 are mainly matched with the pouring holes 9 for use and play a role of secondary support, the number of the pouring holes 9 is two, the two pouring holes 9 are respectively arranged at the left side and the right side of the top of the prefabricated group wall 3, the connecting structure 6 comprises a first buckling groove plate 14 and a first buckling plate 15, the outer surface of the first buckling plate 15 is in sliding connection with the inner surface of the first buckling groove plate 14, the number of the first buckling groove plate 14 and the first buckling plate 15 is two, the two first buckling groove plates 14 are respectively arranged at the front side and the rear side of one end of the prefabricated bottom plate 1, the two first buckling plates 15 are respectively arranged at the front side and the rear side of the other end of, the inner surface of the connecting structure 6 is connected with the outer surface of the stable bottom plate 2 in a sliding manner, the top of the stable bottom plate 2 is fixedly connected with the bottom of the second connecting cylinder 11, the middle parts of the bottom and the top of the prefabricated connecting piece 4 are respectively communicated with the top of the first connecting cylinder 10 and the bottom of the second connecting cylinder 11, the middle part of the bottom of the prefabricated top plate 5 is communicated with the top of the first connecting cylinder 10, the top of the outer surface of the second connecting cylinder 11 is connected with the bottom of the inner surface of the first connecting cylinder 10 in a sliding manner, the through grooves 12 are respectively arranged on the surfaces of the first connecting cylinder 10 and the second connecting cylinder 11, the clamping grooves 13 are arranged on the left side and the right side of the prefabricated group wall 3, the through grooves, lead to groove 12 and set to the three-layer near the edge, concrete and the prefabricated group wall 3 that overflows closely laminate, strengthen water-proof effects, draw-in groove 13 mainly just cooperates the concrete to make prefabricated group wall 3 constitute structural spacing with first connecting cylinder 10 and second connecting cylinder 11.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A construction method of a three-in-one underground continuous wall is characterized by comprising the following steps: the method specifically comprises the following steps:
step one, preparation measurement: determining the reasonable soil penetration depth of the load-bearing underground continuous wall through calculation and field load tests, determining the maximum sizes and weights of the prefabricated bottom plate (1), the stable bottom plate (2), the prefabricated combined wall (3), the prefabricated connecting piece (4) and the prefabricated top plate (5) according to the actual possible prefabrication, transportation, hoisting and other conditions of the excavated groove, and determining the installation site of the crane;
step two, assembling a bottom plate: hoisting the prefabricated bottom plate (1) into the dug groove by using a crane, clamping the connecting structure (6) at one end of the prefabricated bottom plate (1) prepared in one step I with the connecting structure (6) at one end of the prefabricated bottom plate (1) prepared in the other step I, and then placing the stable bottom plate (2) prepared in the step I into a groove-shaped space formed by the connecting structures (6);
step three, wall assembling and installation: c, utilizing a crane to enable the first pouring holes of the prefabricated group wall (3) prepared in the step one to be attached to the surface of the first stabilizing frame (7), and sequentially arranging the first pouring holes to finish the group wall installation;
step four, component installation: sliding the second stabilizing frame (8) at the bottom of the prefabricated connecting piece (4) prepared in the first step into the pouring hole (9) assembled in the third step, and clamping the first connecting cylinder (10) at the bottom of the prefabricated connecting piece (4) on the surface of the second connecting cylinder (11);
step five, assembling a top plate: the prefabricated combined wall (3) prepared in the step one is installed by repeating the method of the step three, and then the prefabricated roof plate (5) prepared in the step one is installed by repeating the method of the step four;
step six, pouring and fixing: directly pouring concrete into the pouring holes (9) assembled in the fifth step, adding reinforcement cages into the first connecting cylinder (10) and the second connecting cylinder (11) assembled in the fifth step, pouring concrete, enabling the concrete to flow into the clamping grooves (13) along the through grooves (12), filling a part of waterproof materials at the connecting gaps of the prefabricated connecting pieces (4), and solidifying for a period of time to obtain the underground continuous wall;
the inner surfaces of the prefabricated bottom plate (1) and the prefabricated connecting piece (4) are fixedly connected with the outer surface of the first stabilizing frame (7), and the inner surface of the prefabricated top plate (5) and the outer surface of the prefabricated connecting piece (4) are fixedly connected with the top end of the second stabilizing frame (8).
2. The construction method of a three-in-one underground continuous wall according to claim 1, wherein: the number of the pouring holes (9) is two, and the two pouring holes (9) are respectively arranged on the left side and the right side of the top of the prefabricated group wall (3).
3. The construction method of a three-in-one underground continuous wall according to claim 1, wherein: the connecting structure (6) comprises a first buckling groove plate (14) and a first buckling plate (15), and the outer surface of the first buckling plate (15) is connected with the inner surface of the first buckling groove plate (14) in a sliding mode.
4. The construction method of a three-in-one underground continuous wall according to claim 3, wherein: the number of the first buckling groove plates (14) and the number of the first buckling plates (15) are two, the two first buckling groove plates (14) are arranged on the front side and the rear side of one end of the prefabricated bottom plate (1) respectively, and the two first buckling plates (15) are arranged on the front side and the rear side of the other end of the prefabricated bottom plate (1) respectively.
5. The construction method of a three-in-one underground continuous wall according to claim 1, wherein: the inner surface of the connecting structure (6) is in sliding connection with the outer surface of the stabilizing bottom plate (2), and the top of the stabilizing bottom plate (2) is fixedly connected with the bottom of the second connecting cylinder (11).
6. The construction method of a three-in-one underground continuous wall according to claim 1, wherein: the middle parts of the bottom and the top of the prefabricated connecting piece (4) are respectively communicated with the top of the first connecting cylinder (10) and the bottom of the second connecting cylinder (11), the middle part of the bottom of the prefabricated top plate (5) is communicated with the top of the first connecting cylinder (10), and the top of the outer surface of the second connecting cylinder (11) is connected with the bottom of the inner surface of the first connecting cylinder (10) in a sliding mode.
7. The construction method of a three-in-one underground continuous wall according to claim 1, wherein: the through grooves (12) are respectively formed in the surfaces of the first connecting cylinder (10) and the second connecting cylinder (11), and the clamping grooves (13) are formed in the left side and the right side of the prefabricated group wall (3).
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| CN103835283A (en) * | 2014-03-25 | 2014-06-04 | 东南大学 | All-wet-joint precast prestressed underground continuous wall and construction method thereof |
| CN204491657U (en) * | 2015-02-13 | 2015-07-22 | 济南轨道交通集团有限公司 | A kind of prefabricated diaphragm wall |
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Effective date of registration: 20211123 Address after: 421001 building 11, Yujing Nanyuan project, 58 Furong Road, high tech Zone, Hengyang City, Hunan Province Patentee after: Hunan SANKE Special Civil Engineering Construction Co.,Ltd. Address before: 510620 room 3a082, 3rd floor, 185 Huangsha Avenue Road, Liwan District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU S&Y AND CIVIL ENGINEERING GROUP Co.,Ltd. |