CN109898569A - The detection construction method of composite cement soil stake - Google Patents

The detection construction method of composite cement soil stake Download PDF

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Publication number
CN109898569A
CN109898569A CN201910306483.0A CN201910306483A CN109898569A CN 109898569 A CN109898569 A CN 109898569A CN 201910306483 A CN201910306483 A CN 201910306483A CN 109898569 A CN109898569 A CN 109898569A
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China
Prior art keywords
cement
soil
pile
outer tube
stake
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CN201910306483.0A
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Chinese (zh)
Inventor
谢京臣
丁建华
冯新林
陆广
包华
洪俊青
姚锋祥
张宏其
江华
朱峰
朱建新
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Individual
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Priority to CN201910306483.0A priority Critical patent/CN109898569A/en
Publication of CN109898569A publication Critical patent/CN109898569A/en
Priority to PCT/CN2019/106655 priority patent/WO2020211285A1/en
Priority to ZA2020/07122A priority patent/ZA202007122B/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a kind of detection construction method of composite cement soil stake, including peripheral pile, core, core stake construction, peripheral pile i.e. first, core stake are second, including the following steps: (one) construct first;(2) it constructs second: construction detection first, and form second.The hollow cement earth pile that the present invention is formed is suitable for composite foundation, is also applied for pattern foundation pit supporting structure;Composite cement soil stake is formed, is suitable for high-strength composite foundation, is also suitable stiff composite pile, root consolidates stake;The present invention both can increase the mass intensity of first soil cement, also can synchronous integrated construction detection first soil cement quality;It can equally be well applied to engineering investigation preliminary phase, achieve many things at one stroke.

Description

The detection construction method of composite cement soil stake
Technical field
The present invention relates to a kind of detection construction methods of composite cement soil stake.
Background technique
Existing cement earth pile, cement (mortar) soil stake, either ground in-situ stirring concrete earth pile or ground premixing Recharge underground cement earth pile needs to be further improved in place of construction detection method comes with some shortcomings.
Summary of the invention
The purpose of the present invention is to provide one kind can improve soil cement quality, can also synchronize answering for detection soil cement quality The detection construction method of Heshui soil stake.
The technical solution of the invention is as follows:
A kind of detection construction method of composite cement soil stake, the construction including peripheral pile, core stake, peripheral pile i.e. first, core stake I.e. second, it is characterized in that: including the following steps:
(1) it constructs first;
(2) it constructs second: construction detection first, and form second;
Including one of following method
Method A:
(1) in place: drilling rod is located in the first cement earth pile center constructed;
(2) sink: by the drilling rod indentation test soil cement equipped with static sounding head, the injection of soil cement is surveyed by measurement system Resistance determines the physico mechanical characteristic of soil cement, directly detects the quality of soil cement;If drilling rod indentation, static sounding are had any problem, The matched outer tube casing of size is then matched outside drilling rod, by way of interaction rod boring, the follow-up of outer tube casing, drilling rod indentation Outer tube casing, outer tube casing sink down into set depth by external force;The quality of detection soil cement indirectly;Outer tube casing is secondary simultaneously Squeezed first cement earth pile, improves the mass intensity of cement earth pile;
(3) it pulls out: will pull out on drilling rod, outer tube casing to setting height on, form hollow cement earth pile second, backfill in hollow cavity Filler material forms the stake of pile body composite cement soil;Hollow cavity bottom back cover, every bottom or base expanding and base expanding, form the composite cement soil stake of stake bottom;
Method B:
(1) in place: outer tube is located in the first cement earth pile center constructed;
(2) sink: the punching hammer freely falling body equipped with dynamic sounding contact, sounding rod being sunk down into soil cement, measurement is passed through System mark passes through blow counts, determines the physico mechanical characteristic of soil cement, directly detects the quality of soil cement;Under feeler inspection contact Heavy, dynamic sounding is had any problem, then hammers the outer apolegamy matched outer tube casing of size into shape in punching, hammered into shape under freely falling body by interaction punching It is heavy to sink down into set depth with outer tube external force, the quality of soil cement is detected indirectly;Punching hammer outer tube casing secondary squeezed the simultaneously One cement earth pile, improves the mass intensity of cement earth pile;
(3) it is pulled out on: will pull out on punching hammer, outer tube casing to setting height, form hollow cement earth pile second;It is returned in hollow cavity Filler material is filled out, the stake of pile body composite cement soil is formed;Hollow cavity bottom back cover, every bottom or base expanding and base expanding, form the composite cement soil stake of stake bottom.
First construction method includes one of following method:
Method A:
(1) telephone-moving is in place: drilling rod is located in and sets in fixed pile by mobile device;
(2) spinning sinks: drilling rod spinning being sunk down into set depth, according to soil body situation, carries out jet, water spray, spray ash, whitewashing One or more of processing;
(3) rotation, which is pulled on, mentions: drilling rod rotation being pulled on and is mentioned to setting height, according to soil body situation, carries out jet, water spray, spray ash, whitewashing One or more of processing;
(4) (2) and (3) are repeated, until first meets sets requirement;
Method B:
(1) telephone-moving is in place: outer tube is located in and sets in fixed pile by mobile device;
(2) immersed tube: sinking down into set depth for outer tube immersed tube, will be in premixing soil cement recharge outer tube;
(3) tube drawing: will pull out on outer tube to setting height, until recharge cement earth pile meets sets requirement.
Construct first when, according to sets requirement, place is ready for pre-processing with ground.
In the method A of second pile construction method, static sounding head is pure standard contact probe or high-strength feeler inspection for detection Head.
Dynamic sounding in the method B of second pile construction method is contact probe, and sounding rod, the standard of punching hammer composition are free Falling bodies power hammer, or similar follow-on three-in-one high-strength freely falling body power hammer.
Filler material of the invention can be the agglutination materials such as the particles such as soil, sand discrete material or soil cement, cement mix Material.
In step (2) method A and method B, outer tube casing not on pull out, make in soil-cement body enhancing and put more energy into body, for compound Ground;Outer tube casing adds hot melt set, and isolation film, lubricating oil are used for pattern foundation pit supporting structure.
In step (2) method A and method B, pre- embedded ess-strain in hollow soil-cement body hollow cavity, Reinforcement Stress-count, Sensor fibre, pile body sedimentation pipe or pile tip settlement pipe are used for scientific research and testing, with real-time monitoring.
After second forms, cyclic annular steel is arranged first upper end in first form using looped sections cement earth pile Set pushes until by cemented together first, second separation failure, with detection first soil-cement body and second Cast-in-place pile body between frictional force.
In step (2) method B, in free fall hammer indwelling soil cement, it to be used for pattern foundation pit supporting structure.
The hollow cement earth pile that the present invention is formed is suitable for composite foundation, is also applied for pattern foundation pit supporting structure;Form complex cement Native stake is suitable for high-strength composite foundation, is also suitable stiff composite pile, root consolidates stake;
The present invention both can increase the mass intensity of first soil cement, also can synchronous integrated construction detect first soil cement Quality;It can equally be well applied to engineering investigation preliminary phase, achieve many things at one stroke.
Below with reference to embodiment, the invention will be further described.
Specific embodiment
A kind of detection construction method of composite cement soil stake, the construction including peripheral pile, core stake, peripheral pile i.e. first, Core stake is second, including the following steps:
(1) it constructs first;
(2) it constructs second: construction detection first, and form second;
Including one of following method
Method A:
(1) in place: drilling rod is located in the first cement earth pile center constructed;
(2) sink: by the drilling rod indentation test soil cement equipped with static sounding head, the injection of soil cement is surveyed by measurement system Resistance determines the physico mechanical characteristic of soil cement, directly detects the quality of soil cement;If drilling rod indentation, static sounding are had any problem, The matched outer tube casing of size is then matched outside drilling rod, by way of interaction rod boring, the follow-up of outer tube casing, drilling rod indentation Outer tube casing, outer tube casing sink down into set depth by external force;The quality of detection soil cement indirectly;Outer tube casing is secondary simultaneously Squeezed first cement earth pile, improves the mass intensity of cement earth pile;
(3) it pulls out: will pull out on drilling rod, outer tube casing to setting height on, form hollow cement earth pile second, backfill in hollow cavity Filler material forms the stake of pile body composite cement soil;Hollow cavity bottom back cover, every bottom or base expanding and base expanding, form the composite cement soil stake of stake bottom;
Method B:
(1) in place: outer tube is located in the first cement earth pile center constructed;
(2) sink: the punching hammer freely falling body equipped with dynamic sounding contact, sounding rod being sunk down into soil cement, measurement is passed through System mark passes through blow counts, determines the physico mechanical characteristic of soil cement, directly detects the quality of soil cement;Under feeler inspection contact Heavy, dynamic sounding is had any problem, then hammers the outer apolegamy matched outer tube casing of size into shape in punching, hammered into shape under freely falling body by interaction punching It is heavy to sink down into set depth with outer tube external force, the quality of soil cement is detected indirectly;Punching hammer outer tube casing secondary squeezed the simultaneously One cement earth pile, improves the mass intensity of cement earth pile;
(3) it is pulled out on: will pull out on punching hammer, outer tube casing to setting height, form hollow cement earth pile second;It is returned in hollow cavity Filler material is filled out, the stake of pile body composite cement soil is formed;Hollow cavity bottom back cover, every bottom or base expanding and base expanding, form the composite cement soil stake of stake bottom.
First construction method includes one of following method:
Method A:
(1) telephone-moving is in place: drilling rod is located in and sets in fixed pile by mobile device;
(2) spinning sinks: drilling rod spinning being sunk down into set depth, according to soil body situation, carries out jet, water spray, spray ash, whitewashing One or more of processing;
(3) rotation, which is pulled on, mentions: drilling rod rotation being pulled on and is mentioned to setting height, according to soil body situation, carries out jet, water spray, spray ash, whitewashing One or more of processing;
(4) (2) and (3) are repeated, until first meets sets requirement;
Method B:
(1) telephone-moving is in place: outer tube is located in and sets in fixed pile by mobile device;
(2) immersed tube: sinking down into set depth for outer tube immersed tube, will be in premixing soil cement recharge outer tube;
(3) tube drawing: will pull out on outer tube to setting height, until recharge cement earth pile meets sets requirement.
Construct first when, according to sets requirement, place is ready for pre-processing with ground.
In the method A of second pile construction method, static sounding head is the pure standard contact probe or high-strength nonstandard for detection Contact probe.
Dynamic sounding in the method B of second pile construction method is contact probe, and sounding rod, the standard of punching hammer composition are free Falling bodies power hammer, or similar follow-on three-in-one nonstandard high-strength freely falling body power hammer.
Filler material of the invention can be the agglutination materials such as the particles such as soil, sand discrete material or soil cement, cement mix Material.
In step (2) method A and method B, outer tube casing not on pull out, make in soil-cement body enhancing and put more energy into body, for compound Ground;Outer tube casing adds hot melt set, and isolation film, lubricating oil are used for pattern foundation pit supporting structure.
In step (2) method A and method B, pre- embedded ess-strain in hollow soil-cement body hollow cavity, Reinforcement Stress-count, Sensor fibre, pile body sedimentation pipe or pile tip settlement pipe are used for scientific research and testing, with real-time monitoring.
After second forms, cyclic annular steel is arranged first upper end in first form using looped sections cement earth pile Set pushes until by cemented together first, second separation failure, with detection first soil-cement body and second Cast-in-place pile body between frictional force.
In step (2) method B, in free fall hammer indwelling soil cement, it to be used for pattern foundation pit supporting structure.

Claims (9)

1. a kind of detection construction method of composite cement soil stake, the construction including peripheral pile, core stake, peripheral pile i.e. first, core Stake i.e. second, it is characterized in that: including the following steps:
(1) it constructs first;
(2) it constructs second: construction detection first, and form second;
Including one of following method
Method A:
(1) in place: drilling rod is located in the first cement earth pile center constructed;
(2) sink: by the drilling rod indentation test soil cement equipped with static sounding head, the injection of soil cement is surveyed by measurement system Resistance determines the physico mechanical characteristic of soil cement, directly detects the quality of soil cement;If drilling rod indentation, static sounding are had any problem, The matched outer tube casing of size is then matched outside drilling rod, by way of interaction rod boring, the follow-up of outer tube casing, drilling rod indentation Outer tube casing, outer tube casing sink down into set depth by external force;The quality of detection soil cement indirectly;Outer tube casing is secondary simultaneously Squeezed first cement earth pile, improves the mass intensity of cement earth pile;
(3) it pulls out: will pull out on drilling rod, outer tube casing to setting height on, form hollow cement earth pile second, backfill in hollow cavity Filler material forms the stake of pile body composite cement soil;Hollow cavity bottom back cover, every bottom or base expanding and base expanding, form the composite cement soil stake of stake bottom;
Method B:
(1) in place: outer tube is located in the first cement earth pile center constructed;
(2) sink: the punching hammer freely falling body equipped with dynamic sounding contact, sounding rod being sunk down into soil cement, measurement is passed through System mark passes through blow counts, determines the physico mechanical characteristic of soil cement, directly detects the quality of soil cement;Under feeler inspection contact Heavy, dynamic sounding is had any problem, then hammers the outer apolegamy matched outer tube casing of size into shape in punching, hammered into shape under freely falling body by interaction punching It is heavy to sink down into set depth with outer tube external force, the quality of soil cement is detected indirectly;Punching hammer outer tube casing secondary squeezed the simultaneously One cement earth pile, improves the mass intensity of cement earth pile;
(3) it is pulled out on: will pull out on punching hammer, outer tube casing to setting height, form hollow cement earth pile second;It is returned in hollow cavity Filler material is filled out, the stake of pile body composite cement soil is formed;Hollow cavity bottom back cover, every bottom or base expanding and base expanding, form the composite cement soil stake of stake bottom.
2. the detection construction method of composite cement soil stake according to claim 1, it is characterized in that: first construction Method includes one of following method:
Method A:
(1) telephone-moving is in place: drilling rod is located in and sets in fixed pile by mobile device;
(2) spinning sinks: drilling rod spinning being sunk down into set depth, according to soil body situation, carries out jet, water spray, spray ash, whitewashing One or more of processing;
(3) rotation, which is pulled on, mentions: drilling rod rotation being pulled on and is mentioned to setting height, according to soil body situation, carries out jet, water spray, spray ash, whitewashing One or more of processing;
(4) (2) and (3) are repeated, until first meets sets requirement;
Method B:
(1) telephone-moving is in place: outer tube is located in and sets in fixed pile by mobile device;
(2) immersed tube: sinking down into set depth for outer tube immersed tube, will be in premixing soil cement recharge outer tube;
(3) tube drawing: will pull out on outer tube to setting height, until recharge cement earth pile meets sets requirement.
3. the detection construction method of composite cement soil stake according to claim 1 or 2, it is characterized in that: at construction first, According to sets requirement, place is ready for pre-processing with ground.
4. the detection construction method of composite cement soil stake according to claim 1 or 2, it is characterized in that: the second pile driving construction side In the method A of method, static sounding head is pure standard contact probe or high-strength contact probe for detection.
5. the detection construction method of composite cement soil stake according to claim 1 or 2, it is characterized in that: the second pile driving construction side Dynamic sounding in the method B of method is contact probe, sounding rod, the standard freely falling body power hammer of punching hammer composition or similar Follow-on three-in-one high-strength freely falling body power hammer.
6. the detection construction method of composite cement soil stake according to claim 1 or 2, it is characterized in that: step (2) method A And in method B, outer tube casing not on pull out, make in soil-cement body enhancing and put more energy into body, be used for composite foundation;Outer tube casing adds hot melt Set, isolation film, lubricating oil are used for pattern foundation pit supporting structure.
7. the detection construction method of composite cement soil stake according to claim 1 or 2, it is characterized in that: step (2) method A And in method B, pre- embedded ess-strain, Reinforcement Stress-count, sensor fibre in hollow soil-cement body hollow cavity, pile body sedimentation pipe or Pile tip settlement pipe.
8. the detection construction method of composite cement soil stake according to claim 1 or 2, it is characterized in that: first uses ring Shape is segmented the form of cement earth pile, after second forms, cyclic annular steel bushing is arranged first upper end and pushes until by cementing one First, second separation failure risen, to detect the friction between first soil-cement body and second cast-in-place pile body Power.
9. the detection construction method of composite cement soil stake according to claim 1 or 2, it is characterized in that: step (2) method B In, in free fall hammer indwelling soil cement, it is used for pattern foundation pit supporting structure.
CN201910306483.0A 2019-04-17 2019-04-17 The detection construction method of composite cement soil stake Pending CN109898569A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201910306483.0A CN109898569A (en) 2019-04-17 2019-04-17 The detection construction method of composite cement soil stake
PCT/CN2019/106655 WO2020211285A1 (en) 2019-04-17 2019-09-19 Inspection and construction method for composite cement-soil pile
ZA2020/07122A ZA202007122B (en) 2019-04-17 2020-11-16 Inspection and construction method for composite cement-soil pile

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WO (1) WO2020211285A1 (en)
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CN111456117A (en) * 2020-04-02 2020-07-28 中北大学 Pile forming loading model test device and method for stiff composite pile
WO2020211285A1 (en) * 2019-04-17 2020-10-22 朱建新 Inspection and construction method for composite cement-soil pile
CN112281825A (en) * 2020-10-22 2021-01-29 陈远 Construction method of composite pile

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WO2020211285A1 (en) * 2019-04-17 2020-10-22 朱建新 Inspection and construction method for composite cement-soil pile
CN111456117A (en) * 2020-04-02 2020-07-28 中北大学 Pile forming loading model test device and method for stiff composite pile
CN112281825A (en) * 2020-10-22 2021-01-29 陈远 Construction method of composite pile

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