CN114517476A - Cast-in-place pile Internet of things accurate excavation pile-forming construction method - Google Patents
Cast-in-place pile Internet of things accurate excavation pile-forming construction method Download PDFInfo
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- CN114517476A CN114517476A CN202210184498.6A CN202210184498A CN114517476A CN 114517476 A CN114517476 A CN 114517476A CN 202210184498 A CN202210184498 A CN 202210184498A CN 114517476 A CN114517476 A CN 114517476A
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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
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
Abstract
The invention discloses a construction method for accurately excavating and forming a pile by using an internet of things cast-in-place pile, which comprises the following steps: 1) preparing raw materials, 2) preparing on-site construction, 3) positioning hole centers, 4) forming holes in cast-in-place piles, 5) placing concrete prefabricated members, 6) backfilling and cleaning, and 7) checking and accepting piles; the construction method has the advantages that the pile forming consistency and quality reliability are high, the construction preparation is sufficient, the omission risk and the construction safety risk of equipment are reduced, the hole center is accurately positioned, the construction progress can be conveniently and accurately known through arranging the Internet of things positioning device, the overall planning construction is convenient to carry out, the engineering can be comprehensively managed and tracked, all the doors are in efficient cooperative cooperation in the construction process, the construction efficiency and the construction quality are improved, the problems that over-injection and over-drilling occur due to untimely communication among all the doors due to overlarge construction engineering quantity are greatly reduced, the influence on the construction quality and the construction period is reduced, and the construction efficiency and quality are improved.
Description
Technical Field
The invention relates to the technical field of pile foundation construction, in particular to a construction method for accurately excavating and forming a pile by using an internet of things cast-in-place pile.
Background
The foundation is the foundation of a building, and because the stratum is formed by rocks and soil, the bearing capacity of the soil is insufficient, so that piles are usually required to be constructed in the stratum to form supporting members by the piles, so that the building is supported; with the development of society, the demand for public transportation is gradually increased, and a plurality of large-volume and wide-area engineering projects are followed, and the difficulty of organization and management is increased.
At present, the construction link of the rotary excavating pile is prominent, efficient cooperation cannot be formed among all departments in the construction process, phenomena such as ' over drilling ', over irrigation ' and the like are particularly easy to occur in the construction process, and the construction quality is not easy to guarantee. And when large-area rotary excavating pile post-grouting construction is carried out, the problems that grouting equipment is difficult to move in a transition mode and the like exist generally, and continuous operation is difficult to carry out. Accordingly, one skilled in the art provides a subject to solve the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a construction method for accurately excavating and forming cast-in-place pile by using the internet of things, which has the advantages of higher consistency and quality reliability, full construction preparation, reduction of omission risk and construction safety risk of equipment, accurate hole center positioning, convenience in accurately knowing construction progress by arranging an internet of things positioning device, convenience in overall planning construction, capability of comprehensively managing and tracking engineering, efficient cooperative cooperation of all doors in the construction process, improvement of construction efficiency and construction quality, great reduction of the problems of over-injection and over-drilling caused by untimely communication among all doors due to overlarge construction engineering quantity, reduction of influence on construction quality and construction period, improvement of construction efficiency and quality and solving of the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an Internet of things accurate excavation pile-forming construction method for a cast-in-place pile comprises the following steps:
1) preparing raw materials: the method has the advantages that constructors manufacture concrete prefabricated parts in open areas far away from urban areas, standardized, mass and standardized manufacturing is needed according to construction drawings during manufacturing, mass manufacturing reduces production cost, guarantees product consistency, guarantees product quality reliability and shortens construction period;
2) preparing for site construction: the construction equipment is moved to an appointed position for parking, safety precaution work is carried out according to construction requirements, including installation and prevention of on-site fences or warning signs and wearing of personnel protective equipment, after specific weather conditions are determined, construction time is determined, and preparation work is finished;
3) positioning the hole center: according to detailed observation and comparative analysis on drawings and fields, constructors calculate the angle and distance between the measurement control point pair and the engineering coordinate by utilizing the mutual relation between the measurement control point provided by the Party A and the engineering coordinate, then use theodolite to control, position and set the engineering control pile, arrange a positioning device of the Internet of things and conveniently carry out overall planning construction;
4) And (3) hole forming of the cast-in-place pile: moving a drilling machine to a hole center positioning point position, moving away and closing a corresponding positioning device of the Internet of things, conveniently and accurately knowing construction progress, finely adjusting the position of a drill rod by using a level gauge and the like, improving the precision of drilling, after the drilling machine is stably arranged, eccentrically following a drilling tool by using a down-the-hole hammer on the surface layer of an operation surface, drilling until the designed depth, putting a steel sleeve prepared in advance, connecting sleeves by using screw threads, manually matching with chain tongs for installation, simultaneously following along with the hole forming progress, taking out the drilling tool after the drilling tool serves as a hole and reaches the designed depth, finishing drilling, clearing earth, and ensuring the clean surrounding environment;
5) placing the concrete prefabricated member: the concrete prefabricated parts are hoisted in the drill holes one by one, the models of the concrete prefabricated parts are uniform, the edges of the upper parts of the concrete prefabricated parts are provided with clamping blocks, the edges of the lower parts of the concrete prefabricated parts are provided with clamping grooves, the clamping grooves and the clamping blocks of the adjacent concrete prefabricated parts are correspondingly installed, the installation precision is ensured, and a plurality of the concrete prefabricated parts are stacked in a building block stacking mode, so that the controllable adjustment of the height is realized, the installation is more convenient and quicker, the centers of the concrete prefabricated parts are provided with through grooves which are connected into a through groove after being stacked, reinforcing steel bars are put into the through grooves, and the concrete is poured, so that the firmness of the concrete prefabricated parts is ensured;
6) Backfilling and cleaning: partially backfilling excavated soil, repairing and leveling the soil at the joint with the ground, clearing redundant soil to ensure that the surrounding environment is clean, and transferring to a field and moving away after the equipment is checked;
7) and (4) pile forming acceptance, after the self-inspection of constructors is qualified, informing a first party and a supervision in writing to arrive at the scene for final acceptance, and signing and confirming the acceptance.
As a further scheme of the invention: in the step 1), the concrete prefabricated member comprises the following components in parts by mass: 300 parts of water, 600 parts of concrete, 650 parts of sand, 650 parts of broken stone, 400 parts of broken stone, 40-60 parts of coal ash, 4-6 parts of water reducing agent, 10-15 parts of early strength agent, 10-15 parts of anti-cracking agent and 40-70 parts of reinforcing steel.
As a still further scheme of the invention: in the step 1), the manufacturing process of the concrete prefabricated part is as follows: at first, carry out the cloth of reinforcing bar and put, required size shape is compiled into to rethread steel reinforcement cage, secondly, ties up or welds the junction of reinforcing bar, guarantees its fastness, carries out the installation of external fixation dish once more to pour and mix earth, wait to roll and remove the fixed disk after the concrete solidification, at last, remove the muddy earth prefab of same specification and put things in good order, convenient storage and transportation.
As a still further scheme of the invention: in the step 4), the length ratio of the diameter of the drilled hole to the diameter of the concrete prefabricated member is 1.2: 1.
As a still further scheme of the invention: in the step 7), signature files are in a form of three copies, one copy is recorded for each of the first party and the second party, so that disputes caused by the discussion of the final payment are avoided, and responsibility is paid for quality problems possibly occurring in the later period.
Compared with the prior art, the invention has the beneficial effects that: the invention reduces the production cost, ensures the consistency of products, ensures the reliability of product quality, avoids the problem of excessive injection, shortens the construction period, has sufficient on-site construction preparation, reduces the omission risk and construction safety risk of equipment, has accurate hole center positioning, is convenient to accurately know the construction progress by arranging the positioning device of the internet of things and move and close the positioning device of the corresponding internet of things during construction, is convenient to carry out overall planning construction, can carry out overall management and tracking on engineering, has high-efficiency cooperative cooperation of all doors in the construction process, improves the construction efficiency and the construction quality, greatly reduces the problems of excessive injection and excessive drilling caused by untimely communication among all doors due to over-large construction work amount, and reduces the influence on the construction quality and the construction period, compared with the traditional construction of rotary excavation pile engineering, the method has the advantages that the coordination control on field personnel, machinery and construction is more comprehensive, and the construction efficiency and quality are improved.
Detailed Description
The technical means of the present invention will be described in further detail with reference to the embodiments.
The first embodiment is as follows:
an Internet of things accurate excavation pile-forming construction method for a cast-in-place pile comprises the following steps:
1) preparing raw materials: the method has the advantages that constructors manufacture concrete prefabricated parts in open areas far away from urban areas, standardized, mass and standardized manufacturing is needed according to construction drawings during manufacturing, mass manufacturing reduces production cost, guarantees product consistency, guarantees product quality reliability and shortens construction period;
2) preparing for site construction: the construction equipment is moved to an appointed position for parking, safety precaution work is carried out according to construction requirements, including installation and prevention of on-site fences or warning signs and wearing of personnel protective equipment, after specific weather conditions are determined, construction time is determined, and preparation work is finished;
3) positioning the hole center: according to detailed observation and comparative analysis on drawings and fields, constructors calculate the angle and distance between the measurement control point pair and the engineering coordinate by utilizing the mutual relation between the measurement control point provided by the Party A and the engineering coordinate, then use theodolite to control, position and set the engineering control pile, arrange a positioning device of the Internet of things and conveniently carry out overall planning construction;
4) And (3) forming holes in the cast-in-place pile: moving a drilling machine to a hole center positioning point position, moving away and closing a corresponding positioning device of the Internet of things, conveniently and accurately knowing construction progress, finely adjusting the position of a drill rod by using a level gauge and the like, improving the precision of drilling, after the drilling machine is stably arranged, eccentrically following a drilling tool by using a down-the-hole hammer on the surface layer of an operation surface, drilling until the designed depth, putting a steel sleeve prepared in advance, connecting sleeves by using screw threads, manually matching with chain tongs for installation, simultaneously following along with the hole forming progress, taking out the drilling tool after the drilling tool serves as a hole and reaches the designed depth, finishing drilling, clearing earth, and ensuring the clean surrounding environment;
5) placing the concrete prefabricated member: the concrete prefabricated parts are hoisted in the drill holes one by one, the models of the concrete prefabricated parts are uniform, the edges of the upper parts of the concrete prefabricated parts are provided with clamping blocks, the edges of the lower parts of the concrete prefabricated parts are provided with clamping grooves, the clamping grooves and the clamping blocks of the adjacent concrete prefabricated parts are correspondingly installed, the installation precision is ensured, and a plurality of the concrete prefabricated parts are stacked in a building block stacking mode, so that the controllable adjustment of the height is realized, the installation is more convenient and quicker, the centers of the concrete prefabricated parts are provided with through grooves which are connected into a through groove after being stacked, reinforcing steel bars are put into the through grooves, and the concrete is poured, so that the firmness of the concrete prefabricated parts is ensured;
6) Backfilling and cleaning: backfilling part of the excavated soil, repairing and leveling the soil at the joint with the ground, cleaning redundant soil to ensure the cleanness of the surrounding environment, and transferring the equipment after the equipment is cleaned;
7) and (4) pile forming acceptance, after the self-inspection of constructors is qualified, informing a first party and a supervision in writing to arrive at the scene for final acceptance, and signing and confirming the acceptance.
In the step 1), the concrete prefabricated member comprises the following components in parts by mass: 300 parts of water, 650 parts of concrete, 690 parts of sand, 400 parts of broken stone, 60 parts of coal ash, 6 parts of water reducing agent, 15 parts of early strength agent, 15 parts of anti-cracking agent and 40 parts of reinforcing steel bar.
In the step 1), the manufacturing process of the concrete prefabricated part is as follows: at first, carry out the cloth of reinforcing bar and put, required size shape is compiled into to rethread steel reinforcement cage, secondly, ties up or welds the junction of reinforcing bar, guarantees its fastness, carries out the installation of external fixation dish once more to pour and mix earth, wait to roll and remove the fixed disk after the concrete solidification, at last, remove the muddy earth prefab of same specification and put things in good order, convenient storage and transportation.
In the step 4), the length ratio of the diameter of the drilled hole to the diameter of the concrete prefabricated part is 1.2: 1.
In the step 7), the signature files are in a form of three copies, one copy is recorded for each of the first party and the second party, thereby avoiding the dispute of the trailer and carrying out responsibility tracing on the quality problems possibly appearing in the later period.
Example two:
an Internet of things accurate excavation pile-forming construction method for a cast-in-place pile comprises the following steps:
1) preparing raw materials: the method has the advantages that constructors manufacture concrete prefabricated parts in open areas far away from urban areas, standardized, mass and standardized manufacturing is needed according to construction drawings during manufacturing, mass manufacturing reduces production cost, guarantees product consistency, guarantees product quality reliability and shortens construction period;
2) preparing for site construction: the construction equipment is moved to an appointed position for parking, safety precaution work is carried out according to construction requirements, including installation and prevention of on-site fences or warning signs and wearing of personnel protective equipment, after specific weather conditions are determined, construction time is determined, and preparation work is finished;
3) positioning the hole center: according to detailed observation and comparative analysis on drawings and fields, constructors calculate the angle and distance between the measurement control point pair and the engineering coordinate by utilizing the mutual relation between the measurement control point provided by the Party A and the engineering coordinate, then use theodolite to control, position and set the engineering control pile, arrange a positioning device of the Internet of things and conveniently carry out overall planning construction;
4) And (3) hole forming of the cast-in-place pile: moving a drilling machine to a hole center positioning point position, moving away and closing a corresponding Internet of things positioning device, conveniently and accurately knowing construction progress, finely adjusting the position of a drilling rod by using a level gauge and the like, improving the drilling precision, after the drilling machine is stably arranged, eccentrically following a drilling tool by using a down-the-hole hammer on the surface layer of an operation surface, drilling to a designed depth, putting a steel sleeve prepared in advance, connecting sleeves by screw threads, manually matching with chain tongs for installation, simultaneously following along with the hole forming progress, taking out the drilling tool after the drilling is finished and clearing soil to ensure that the surrounding environment is clean;
5) placing the concrete prefabricated member: the prefabricated concrete member is hoisted in the drill hole one by one, the prefabricated concrete member is uniform in model, the edge of the upper part is provided with a clamping block, the edge of the lower part is provided with a clamping groove, the clamping groove and the clamping block of the adjacent prefabricated concrete member are correspondingly installed, the installation accuracy is ensured, and a plurality of prefabricated concrete members are stacked in a stacking block mode, so that the controllable adjustment of the height is realized, the installation is more convenient and quicker, the centers of the prefabricated concrete members are provided with through grooves which are connected into one after being stacked, reinforcing steel bars are put in the prefabricated concrete members, and the concrete is poured, so that the firmness is ensured;
6) Backfilling and cleaning: backfilling part of the excavated soil, repairing and leveling the soil at the joint with the ground, cleaning redundant soil to ensure the cleanness of the surrounding environment, and transferring the equipment after the equipment is cleaned;
7) and (4) pile forming acceptance, after the self-inspection of constructors is qualified, informing a first party and a supervision in writing to arrive at the scene for final acceptance, and signing and confirming the acceptance.
In the step 1), the concrete prefabricated member comprises the following components in parts by mass: 200 parts of water, 600 parts of concrete, 650 parts of sand, 300 parts of broken stone, 50 parts of coal ash, 4 parts of water reducing agent, 10 parts of early strength agent, 10 parts of anti-cracking agent and 70 parts of reinforcing steel.
In the step 1), the manufacturing process of the concrete prefabricated part is as follows: at first, carry out the cloth of reinforcing bar and put, required size shape is compiled into to rethread steel reinforcement cage, secondly, ties up or welds the junction of reinforcing bar, guarantees its fastness, carries out the installation of external fixation dish once more to pour and mix earth, wait to roll and remove the fixed disk after the concrete solidification, at last, remove the muddy earth prefab of same specification and put things in good order, convenient storage and transportation.
In the step 4), the length ratio of the diameter of the drilled hole to the diameter of the concrete prefabricated member is 1.2: 1.
In the step 7), signature files are in a form of three copies, one copy is recorded for each of the first party and the second party, thereby avoiding the dispute of the discussion of the final payment and carrying out the responsibility tracing for the quality problems possibly appearing in the later period
The construction method reduces the production cost, ensures the consistency of products, ensures the reliability of product quality, avoids the problem of over-injection, shortens the construction period, has sufficient field construction preparation, reduces the omission risk and construction safety risk of equipment, has accurate hole center positioning, is convenient to accurately know the construction progress by arranging the positioning device of the internet of things and move and close the positioning device of the corresponding internet of things during construction, is convenient to carry out overall planning construction, can carry out overall management and tracking on engineering, has high-efficiency cooperative cooperation of all doors in the construction process, improves the construction efficiency and the construction quality, greatly reduces the problems of over-injection and over-drilling and the like caused by untimely communication among all doors due to overlarge construction work amount, and reduces the influence on the construction quality and the construction period, compared with the traditional construction of rotary excavating pile engineering, the coordination control on site personnel, machinery and construction is more comprehensive, the construction efficiency and quality are improved, and meanwhile, the group is dirty.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. An accurate excavation and pile-forming construction method for a cast-in-place pile Internet of things is characterized by comprising the following steps:
1) preparing raw materials: the method has the advantages that constructors manufacture concrete prefabricated parts in open areas far away from urban areas, standardized, mass and standardized manufacturing is needed according to construction drawings during manufacturing, mass manufacturing reduces production cost, guarantees product consistency, guarantees product quality reliability and shortens construction period;
2) preparing for site construction: the construction equipment is moved to an appointed position for parking, safety precaution work is carried out according to construction requirements, including installation and prevention of on-site fences or warning signs and wearing of personnel protective equipment, after specific weather conditions are determined, construction time is determined, and preparation work is finished;
3) Positioning the hole center: according to detailed observation and comparative analysis of drawings and fields, constructors calculate angles and distances between measurement control points and the engineering coordinates by using the mutual relation between the measurement control points provided by the Party A and the engineering coordinates, then use theodolite to control, position and set the engineering control piles, arrange a positioning device of the Internet of things and conveniently carry out overall planning construction;
4) and (3) hole forming of the cast-in-place pile: moving a drilling machine to a hole center positioning point position, moving away and closing a corresponding Internet of things positioning device, conveniently and accurately knowing construction progress, finely adjusting the position of a drilling rod by using a level gauge and the like, improving the drilling precision, after the drilling machine is stably arranged, eccentrically following a drilling tool by using a down-the-hole hammer on the surface layer of an operation surface, drilling to a designed depth, putting a steel sleeve prepared in advance, connecting sleeves by screw threads, manually matching with chain tongs for installation, simultaneously following along with the hole forming progress, taking out the drilling tool after the drilling is finished and clearing soil to ensure that the surrounding environment is clean;
5) placing the concrete prefabricated member: the concrete prefabricated parts are hoisted in the drill holes one by one, the models of the concrete prefabricated parts are uniform, the edges of the upper parts of the concrete prefabricated parts are provided with clamping blocks, the edges of the lower parts of the concrete prefabricated parts are provided with clamping grooves, the clamping grooves and the clamping blocks of the adjacent concrete prefabricated parts are correspondingly installed, the installation precision is ensured, and a plurality of the concrete prefabricated parts are stacked in a building block stacking mode, so that the controllable adjustment of the height is realized, the installation is more convenient and quicker, the centers of the concrete prefabricated parts are provided with through grooves which are connected into a through groove after being stacked, reinforcing steel bars are put into the through grooves, and the concrete is poured, so that the firmness of the concrete prefabricated parts is ensured;
6) Backfilling and cleaning: partially backfilling excavated soil, repairing and leveling the soil at the joint with the ground, clearing redundant soil to ensure that the surrounding environment is clean, and transferring to a field and moving away after the equipment is checked;
7) and (4) pile forming acceptance, after self-checking by constructors is qualified, informing a first party and a supervision in writing to arrive at the scene for final acceptance, and confirming the qualified acceptance by signature.
2. The precise excavation and pile-forming construction method for the internet of things of the cast-in-place pile of claim 1, wherein in the step 1), the concrete prefabricated member comprises the following components in parts by weight: 200-300 parts of water, 600-650 parts of concrete, 650-690 parts of sand, 300-400 parts of broken stone, 40-60 parts of coal ash, 4-6 parts of water reducing agent, 10-15 parts of early strength agent, 10-15 parts of anti-cracking agent and 40-70 parts of reinforcing steel.
3. The precise excavation and pile-forming construction method for the internet of things of the cast-in-place pile of claim 1, which is characterized in that in the step 1), the manufacturing process of the concrete prefabricated member is as follows: at first, carry out the cloth of reinforcing bar and put, required size shape is compiled into to rethread steel reinforcement cage, secondly, ties up or welds the junction of reinforcing bar, guarantees its fastness, carries out the installation of external fixation dish once more to pour and mix earth, wait to roll and remove the fixed disk after the concrete solidification, at last, remove the muddy earth prefab of same specification and put things in good order, convenient storage and transportation.
4. The Internet of things precise excavation and pile-forming construction method for the cast-in-place pile according to claim 1, wherein in the step 4), the length ratio of the diameter of the drill hole to the diameter of the concrete prefabricated member is 1.2: 1.
5. The construction method for accurately excavating and piling the internet of things of the cast-in-place pile according to claim 1, wherein in the step 7), signature files are in a form of three parts, one part is recorded for each of the first party and the second party, thereby avoiding disputes of tailed fund pursuit and carrying out responsibility pursuit on possible quality problems in the later period.
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Citations (5)
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CN103526747A (en) * | 2013-09-26 | 2014-01-22 | 浙江钱塘江水利建筑工程公司 | Construction method for impact holing of filling pile in tidal environment |
CN103527087A (en) * | 2013-09-26 | 2014-01-22 | 浙江钱塘江水利建筑工程公司 | Impact holing method in cast-in-place construction method |
CN110438988A (en) * | 2019-08-14 | 2019-11-12 | 中铁二院工程集团有限责任公司 | A kind of prefabricated bulkhead and pore digging method |
CN212427085U (en) * | 2020-05-07 | 2021-01-29 | 中交二公局第五工程有限公司 | Adopt artifical pile foundation construction structures that digs hole of assembled cover shell dado |
WO2021109144A1 (en) * | 2019-12-06 | 2021-06-10 | 邹胜斌 | Modular intelligent dado cast-in-place pile and construction process therefor |
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2022
- 2022-02-25 CN CN202210184498.6A patent/CN114517476A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103526747A (en) * | 2013-09-26 | 2014-01-22 | 浙江钱塘江水利建筑工程公司 | Construction method for impact holing of filling pile in tidal environment |
CN103527087A (en) * | 2013-09-26 | 2014-01-22 | 浙江钱塘江水利建筑工程公司 | Impact holing method in cast-in-place construction method |
CN110438988A (en) * | 2019-08-14 | 2019-11-12 | 中铁二院工程集团有限责任公司 | A kind of prefabricated bulkhead and pore digging method |
WO2021109144A1 (en) * | 2019-12-06 | 2021-06-10 | 邹胜斌 | Modular intelligent dado cast-in-place pile and construction process therefor |
CN212427085U (en) * | 2020-05-07 | 2021-01-29 | 中交二公局第五工程有限公司 | Adopt artifical pile foundation construction structures that digs hole of assembled cover shell dado |
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