CN111172980A - In-situ slurry making construction method for constructing retaining wall pile - Google Patents
In-situ slurry making construction method for constructing retaining wall pile Download PDFInfo
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- CN111172980A CN111172980A CN202010029793.5A CN202010029793A CN111172980A CN 111172980 A CN111172980 A CN 111172980A CN 202010029793 A CN202010029793 A CN 202010029793A CN 111172980 A CN111172980 A CN 111172980A
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- retaining wall
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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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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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
- E02D2300/0023—Slurry
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an in-situ slurry making construction method for constructing a retaining wall pile, which comprises the following specific steps of: measuring the position of a lofting crown beam area, excavating the crown beam area in sections, making slurry in the crown beam area, measuring the position of a positioning pile hole, positioning a drilling machine, forming a hole, forming the hole, cleaning the hole, lowering a reinforcement cage, pouring concrete, and moving the machine to the next pile position; the method has the advantages that a sedimentation tank and a mud pit dug in the traditional process are omitted for slurry making, and a crown beam built at a later stage is used as the slurry making pool, so that the construction cost of excavating, cleaning and filling the sedimentation tank and the mud pit is saved, and the construction period of the retaining wall pile is shortened; after the sedimentation tank and the mud tank are used for making slurry, a large amount of mud is wasted, and the mud condensed in the crown beam area can be used for constructing the crown beam, so that the waste amount of the mud is reduced, the utilization rate of the mud is improved, and the construction cost of the retaining wall pile is reduced; and the slurry is made in the crown beam area, so that the pollution of the slurry to the environment is reduced, and the expense of post-treatment cost is reduced.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an in-situ slurry making construction method for constructing a retaining wall pile.
Background
During project construction, in order to ensure the smooth construction, a large number of supporting piles are required to be arranged for supporting, retaining, reinforcing and protecting; the construction process flow of the existing support pile is as follows: the construction method comprises the following steps of measuring and setting out pile positions, arranging a sedimentation tank and a mud pit at intervals, drilling a hole by a drilling machine, forming and clearing the hole, placing a reinforcement cage and pouring concrete, wherein the mud making in the construction process is realized in the sedimentation tank and the mud pit which are independently arranged, the sedimentation tank and the mud pit are communicated through a ditch, the mud pit is communicated with the upper parts of pile holes through the ditch, the manufactured mud is introduced into the pile holes, the mud pit is simultaneously communicated with a plurality of pile holes, and the ditches are numerous and distributed in a staggered manner; in the construction process, the number of the mud ponds and the sedimentation ponds is a plurality, each sedimentation pond and each mud pond need to spend a certain time for excavation, the engineering construction period is prolonged, and the construction cost of the support pile is increased; each sedimentation tank and each mud pit can only be used for a certain number of pile holes, after the sedimentation tanks and the mud pits are used, the sedimentation tanks and the mud pits are not used, a large amount of mud is condensed at the bottoms of the sedimentation tanks and the mud pits and in corresponding ditches, a large amount of mud is wasted, the mud tanks, the sedimentation tanks and the mud diversion ditches are required to be refilled, and the manufacturing cost of the support piles is increased linearly; in addition, a large amount of mud after the pore-forming is accomplished need be cleared up out from sedimentation tank and mud pit, and then send to professional processing factory, avoids the polluted environment, and clearance and treatment cost are high, because of the numerous of sedimentation tank and mud pit, only can clear up most mud, still cause the influence to the environment.
Disclosure of Invention
The invention aims to provide an in-situ slurry-making construction method for constructing a retaining wall pile, which solves the technical problems that when the retaining pile is constructed, a large number of sedimentation tanks and slurry tanks are excavated, so that the waste amount of slurry is increased linearly, the cleaning and treatment costs of the sedimentation tanks and the slurry tanks in the later period are high, the construction cost of finally forming the pile and forming the hole is increased, certain pollution is caused to the environment, the sedimentation tanks and the slurry tanks are cancelled, and the slurry is made by utilizing a crown beam area, so that the later treatment of the sedimentation tanks and the slurry tanks is avoided, the manufacturing cost of forming the pile is reduced, the utilization rate of the slurry is improved, and the construction period of the engineering is shortened.
The invention is realized by the following technical scheme:
an in-situ slurry making construction method for constructing a retaining wall pile aims at the problems that a large number of sedimentation tanks and mud slurry tanks are excavated in the existing retaining wall pile construction process, and cleaning and backfilling are carried out after the sedimentation tanks and the mud slurry tanks are used, the construction period is greatly increased, the excavation cost and the cleaning cost of the sedimentation tanks and the mud slurry tanks are extremely high, the waste amount of mud slurry is extremely high, and the cost of backfilling a channel tank is high, so that the construction cost of the retaining wall pile is greatly increased, and the environment is polluted in the construction process; the invention has the innovation points that the excavation of a sedimentation tank, a mud pit and a slurry guide channel is cancelled, the slurry is made by utilizing a crown beam for later-stage support, the crown beam is built after the construction of the retaining wall pile is finished, the crown beam is built at the top of the retaining wall pile, a plurality of retaining wall piles are connected, a groove needs to be dug in the construction process of the crown beam, and then the crown beam is formed by pouring reinforced concrete, therefore, the groove for constructing the crown beam is advanced to the construction of the retaining wall pile, the retaining wall pile is positioned in the groove of the crown beam, the slurry is made by utilizing the groove of the crown beam and a gap between a drill bit and a pile hole at the same time, the slurry is made while forming a hole, the slurry making amount in the pile hole is insufficient, and the slurry in the crown beam area flows into the pile hole; the invention utilizes the construction process of making slurry in the crown beam area to construct the retaining wall pile, and compared with the construction process of singly excavating the sedimentation tank and the mud tank, the invention needs to excavate excessive ditches for the flowing of mud, wastes a large amount of mud, the wasted mud has great pollution to the environment, the post treatment cost is high, and the post treatment cost can not be completely cleaned. The method comprises the following specific steps:
s1: determining the excavation length of the crown beam area according to the quantity and the pile length of the pile positions to be excavated, and then measuring and lofting on site, wherein one crown beam area is responsible for the slurry making of the retaining wall pile at one end;
s2: segmenting a plurality of crown beam areas, and excavating the crown beam areas at the same time; the segmented crown beam areas can be excavated in opposite directions and in opposite directions, in the traditional retaining wall pile construction process, a sedimentation tank and a mud tank are required to be arranged independently for slurry production, the sedimentation tank, the mud tank and a pile hole are communicated through a plurality of ditches, the cost and the construction period consumed by excavating the sedimentation tank and the mud tank are far beyond the cost and the construction period of excavating a crown beam area, the sedimentation tank and the mud tank are also required to be buried after being cleaned, namely, the sedimentation tank and the mud tank are disposable, the crown beam is constructed at the top of the retaining wall pile, the later period of the crown beam is required to be constructed, the slurry production is carried out by adopting a gap between the crown beam area and a pore-forming space, the construction cost of the retaining wall pile is reduced, the construction period of the project is reduced, the reduction of the construction period means the rapid advance of the construction progress, and the safety barriers of the sedimentation tank and the mud tank are reduced.
S3: adopting water and clay to make slurry in the crown beam area;
s4: measuring on site, and positioning the position of the pile hole;
s5: performing hole forming action through a drilling machine, simultaneously performing slurry making by utilizing a gap between a drill bit and a pile hole, continuously tunneling by the drilling machine, simultaneously performing slurry making in the pile hole until the pile hole is formed, removing the drilling machine after the drilling depth reaches a preset depth, cleaning slurry in the pile hole, and completing the hole forming operation of the retaining wall pile; in the process of hole forming operation, slurry making process of slurry is not only carried out in the crown beam area, but also carried out in the crown beam area and the pile hole simultaneously, the slurry flows freely in the crown beam area, and a ditch is not required to be arranged, so that the utilization rate of the slurry is improved; the back is used to the mud in the crown beam district, and to the mud clearance back in the crown beam district, the later stage can directly carry out the crown beam construction on the basis in crown beam district, can not increase the holistic construction cycle of crown beam, does not have sedimentation tank and mud pit and uses the back, needs clear up the bottom in sedimentation tank and mud pit, leads to the polluted environment, the low and sedimentation tank and the backfill in mud pit of the utilization ratio of mud.
S6: placing a reinforcement cage in the pile hole;
s7: and pouring underwater concrete.
Preferably, when the hole is formed by using the rotary drilling machine in the step S5, the tunneling speed of the rotary drilling machine is slow, so that slurry can be conveniently formed in the pile hole.
The invention has the following beneficial effects:
1. the invention relates to an in-situ slurry making construction method for constructing a retaining wall pile, which solves the problems that in the traditional pile-forming and hole-digging process, a large number of sedimentation tanks and slurry tanks are dug for slurry making, and the sedimentation tanks and the slurry tanks need to be cleaned and buried after being used, so that the construction cost and the construction period of the retaining wall pile are prolonged; the invention simultaneously carries out slurry making through the gaps of the pile holes in the crown beam area and the hole forming process, fundamentally eliminates the related problems caused by a sedimentation tank, a mud tank and excessive ditches, and greatly reduces the construction cost and the construction period of the retaining wall pile because the construction period and the cost for excavating the crown beam area are contained in the construction cost of the retaining wall pile.
2. According to the in-situ slurry making construction method for the retaining wall pile construction, a large amount of slurry is wasted after slurry making is carried out on a traditional sedimentation tank and a slurry tank, and after the retaining wall pile is formed, the construction of the crown beam can be directly carried out on the cleaned crown beam area, so that the waste amount of the slurry is reduced, the utilization rate of the slurry is improved, and the construction cost of the retaining wall pile is reduced; the method has the advantages that the method reduces the pollution of slurry to the environment and reduces the expense of post-treatment cost by making slurry in the crown beam area; excessive digging sedimentation tanks and mud tanks occupy the space of the site, and during the use, the facilities can bring certain potential safety hazards due to the fact that the protection is not in place; and the crown beam area is adopted, so that dangerous sources are reduced, and smooth construction is guaranteed.
3. In the prior art, the crown beam is built after the retaining wall pile is built, the crown beam is partially arranged in front, the whole workload of the construction of the crown beam cannot be increased when the crown beam is arranged in front, the construction of the retaining wall pile in the early stage is well promoted, the construction cost of the retaining wall pile can be reduced through the crown beam, and the construction period of the retaining wall pile is shortened.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of a crown area and mud in accordance with an embodiment of the present invention.
FIG. 2 is a schematic diagram of pore-forming void slurry-making in the pore-forming process according to an embodiment of the present invention.
FIG. 3 is a schematic top view of a crown beam area according to an embodiment of the present invention.
Fig. 4 is a schematic view of a crown beam and a retaining pile according to an embodiment of the present invention.
Reference numbers and corresponding part names: 1-crown beam, 2-retaining wall pile, 3-crown beam area, 4-pore-forming gap, 5-ground line and 6-slurry.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
as shown in fig. 1 to 4, an in-situ slurry-making construction method for the construction of a retaining wall pile includes the steps of: ,
s1: and determining the excavation length of the crown beam area according to the quantity and the pile length of the pile positions to be excavated, then measuring and lofting on site, and excavating the surface soil of the crown beam area.
S2: with a plurality of crown beam district segmentation, excavate the crown beam district simultaneously, a plurality of crown beam district divides into several sections, and several sections crown beam districts are under construction simultaneously, improve the efficiency of construction.
S3: adopt water and clay to make thick liquid in the crown beam district to and the pore-creating in-process, utilize the clearance between drill bit and the stake hole to make thick liquid, because the dado stake is located the crown beam district, mud can flow into in the stake hole automatically.
S4: and (4) carrying out field measurement and positioning the position of the pile hole.
S5: the method is characterized in that a rotary excavator is adopted to carry out hole forming action, meanwhile, slurry in a crown beam area can automatically flow into a pile hole, a drilling machine continuously tunnels, slurry is formed in the pile hole, the drilling machine is dismantled until the pile hole is formed, the slurry in the pile hole is cleaned up after the drilling depth reaches a preset depth, the hole forming operation of the retaining wall pile is completed, the slurry in the crown beam area can flow freely, a ditch is omitted, and the utilization rate of the slurry is improved.
S6: and placing the reinforcement cage in the pile hole, and placing the grouting guide pipe in the reinforcement cage after the reinforcement cage is placed in place.
S7: and (4) pouring underwater concrete, and pouring the concrete by adopting a conduit method.
In this embodiment, the in-situ refers to simultaneous slurry making by using the pile position of the retaining wall pile and the crown beam area, the crown beam and the retaining wall pile are vertically connected, and the embodiment does not need to dig a ditch to drain slurry, and the slurry can directly flow into the pile hole.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. An in-situ slurry making construction method for constructing a retaining wall pile comprises the following steps:
s1: determining the excavation length of the crown beam area according to the quantity and the pile length of the pile positions to be excavated, and then measuring and lofting on site;
s2: segmenting a plurality of crown beam areas, and excavating the crown beam areas at the same time;
s3: adopting water and clay to make slurry in the crown beam area;
s4: measuring on site, and positioning the position of the pile hole;
s5: performing hole forming action through a drilling machine, simultaneously performing slurry making by utilizing a gap between a drill bit and a pile hole, continuously tunneling by the drilling machine until the pile hole is formed, removing the drilling machine after the drilling depth reaches a preset depth, cleaning slurry in the pile hole, and completing the hole forming operation of the retaining wall pile;
s6: placing a reinforcement cage in the pile hole;
s7: and pouring underwater concrete.
2. The in-situ slurry making construction method for the construction of the retaining wall pile as claimed in claim 1, wherein the slurry making in the step S2 is performed by a slurry making machine.
3. The in-situ slurry making construction method for the construction of the retaining wall pile as claimed in claim 1, wherein the drilling is performed using a rotary cutter in the step S5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029793.5A CN111172980A (en) | 2020-01-13 | 2020-01-13 | In-situ slurry making construction method for constructing retaining wall pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029793.5A CN111172980A (en) | 2020-01-13 | 2020-01-13 | In-situ slurry making construction method for constructing retaining wall pile |
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| Publication Number | Publication Date |
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| CN111172980A true CN111172980A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010029793.5A Withdrawn CN111172980A (en) | 2020-01-13 | 2020-01-13 | In-situ slurry making construction method for constructing retaining wall pile |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5046742B2 (en) * | 2005-07-19 | 2012-10-10 | 有限会社カヌカデザイン | Retaining wall and its supporting method |
| CN106939596A (en) * | 2017-03-01 | 2017-07-11 | 江苏工程职业技术学院 | A kind of cast-in-place slub type slurry drilled pile |
| CN108104112A (en) * | 2017-12-29 | 2018-06-01 | 章胜南 | A kind of underground wall body construction method based on the slurrying of original soil original position |
-
2020
- 2020-01-13 CN CN202010029793.5A patent/CN111172980A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5046742B2 (en) * | 2005-07-19 | 2012-10-10 | 有限会社カヌカデザイン | Retaining wall and its supporting method |
| CN106939596A (en) * | 2017-03-01 | 2017-07-11 | 江苏工程职业技术学院 | A kind of cast-in-place slub type slurry drilled pile |
| CN108104112A (en) * | 2017-12-29 | 2018-06-01 | 章胜南 | A kind of underground wall body construction method based on the slurrying of original soil original position |
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Application publication date: 20200519 |