CN109056751A - A kind of bedding rock sloper reinforcement means and reinforcing construction - Google Patents

A kind of bedding rock sloper reinforcement means and reinforcing construction Download PDF

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Publication number
CN109056751A
CN109056751A CN201810917503.3A CN201810917503A CN109056751A CN 109056751 A CN109056751 A CN 109056751A CN 201810917503 A CN201810917503 A CN 201810917503A CN 109056751 A CN109056751 A CN 109056751A
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CN
China
Prior art keywords
pile
slide
miniature anti
bedding
sloper
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Pending
Application number
CN201810917503.3A
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Chinese (zh)
Inventor
苏伟
岳巍
韩承成
董天富
刘辉
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China Construction Fourth Bureau First Construction Engineering Co Ltd
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China Construction Fourth Bureau First Construction Engineering Co Ltd
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Priority to CN201810917503.3A priority Critical patent/CN109056751A/en
Publication of CN109056751A publication Critical patent/CN109056751A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/207Securing of slopes or inclines with means incorporating sheet piles or piles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23Dune restoration or creation; Cliff stabilisation

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Foundations (AREA)

Abstract

The invention discloses a kind of bedding rock sloper reinforcement means and reinforcing constructions, the reinforcing construction includes Miniature anti-slide pile and foundation pile, the Miniature anti-slide pile of two rows or more is provided with perpendicular to least favorable slide surface in the slope surface of bedding rock sloper, and Miniature anti-slide pile passes through the depth of least favorable slide surface greater than 4m, concrete is enclosed on the outer wall of Miniature anti-slide pile, the pile crown of every row's Miniature anti-slide pile is linked together in a crisscross manner by connection beam simultaneously, form Miniature anti-slide pile group, foundation pile is also vertically squeezed on the bedding rock sloper reinforced by Miniature anti-slide pile group, basement floor is provided at the top of foundation pile.The present invention undertakes the shearing force in bedding rock sloper on least favorable slide surface using Miniature anti-slide pile group and foundation pile, the effectively continuity of cutting bedding plane, increase the shearing strength of least favorable slide surface, multiple disconnected bedding planes are connected to form the higher rock side slope body of an intensity, so that the stabilization of bedding rock sloper be effectively ensured.

Description

A kind of bedding rock sloper reinforcement means and reinforcing construction
Technical field
The present invention relates to a kind of bedding rock sloper reinforcement means and reinforcing constructions, belong to technical field of building construction.
Background technique
With the continuous development of China's economy high-grade railway, highway start largely to build in Southwest Mountainous Areas, bedding rock sloper It is relatively conventional in mountain area, when bedding rock sloper benefits from rand boundary system or has the influence of important existing building, need to excavation Concordant high slope carries out slope reinforcement.Concordant formula rectangular clearly can be directly used if bedding rock sloper formation dip is larger to carry out It excavates, is generally required when bedding rock sloper formation dip is smaller in excavation slope slope foot setting reinforcing engineering to save the area and save About construction investment.But when bedding rock sloper formation dip is smaller, rock stratum interlayer cohesive strength and when relatively low internal friction angle, slope foot single-stage Reinforcement protection is difficult to ensure the stabilization of bedding rock sloper, and traditional combination anchor cable is reinforced due to the poor, anchor cable by anchor cable shearing resistance effect The factors such as Long Service Life needs further to be studied, construction quality is more difficult to control influence, thus use in great engineering It is usually limited, need a kind of bedding rock sloper reinforcement means urgently thus to solve problems.
Summary of the invention
Low, quick construction that the object of the present invention is to provide a kind of construction costs, safe and reliable bedding rock sloper reinforcing side Method and reinforcing construction can permanently ensure the stabilization of bedding rock sloper after this method one-off construction, guarantee the construction of existing building Safety, and can greatly save and apply cost, it accelerates construction progress.
Technical solution of the present invention: a kind of bedding rock sloper reinforcement means, first within the scope of removing bedding rock sloper construction area Collapsed sliding or strain cracking rock mass, and then vertical least favorable slide surface bores the Miniature anti-slide pile stake more than two rows of in slope surface Hole, the depth for making Miniature anti-slide pile stake holes pass through least favorable slide surface are greater than 4m, Miniature anti-slide pile are squeezed into miniature antiskid at this time Concrete perfusion after in stake stake holes, and the pile crown of every row's Miniature anti-slide pile is linked together in a crisscross manner using connection beam, Miniature anti-slide pile group is formed, the reinforcing of bedding rock sloper is realized, finally squeezes into foundation pile vertically on the bedding rock sloper reinforced, Basement floor slab construction is carried out on foundation pile.
The Miniature anti-slide pile stake holes rectangular array arrangement, the spacing of stake holes are 2.0m × 2.0m.
Meanwhile the present invention also provides a kind of bedding rock sloper reinforcing constructions for realizing the above method, including miniature antiskid Stake and foundation pile, are provided with the Miniature anti-slide pile of two rows or more in the slope surface of bedding rock sloper perpendicular to least favorable slide surface, And Miniature anti-slide pile passes through the depth of least favorable slide surface greater than 4m, concrete is enclosed on the outer wall of Miniature anti-slide pile, together When every row's Miniature anti-slide pile pile crown linked together in a crisscross manner by connection beam, form Miniature anti-slide pile group, passing through Foundation pile is also vertically squeezed on the bedding rock sloper that Miniature anti-slide pile group has reinforced, basement building is provided at the top of foundation pile Plate.
The Miniature anti-slide pile includes three main reinforcements welded together in parallel, is welded on the side wall of every main reinforcement More than two bow-shaped supports are welded with billet at the top of three main reinforcements, concrete pouring hole are provided on billet, It is additionally provided with connector on billet, concrete end socket is enclosed on the outer wall of connector.
The base area of the concrete end socket is greater than the surface area of billet.
Due to the adoption of the above technical scheme, the present invention has the advantages that the present invention utilizes Miniature anti-slide pile group and basis Stake undertakes the shearing force in bedding rock sloper on least favorable slide surface, effectively cuts off the continuity of bedding plane, and it is sliding to increase least favorable The shearing strength in shifting face connects multiple disconnected bedding planes to form the higher rock side slope body of an intensity, to be effectively ensured The stabilization of bedding rock sloper.The present invention can quickly carry out constructing operation under the site condition of limitation, and Miniature anti-slide pile Stake holes can be drilled using crawler drill, and working security is high, and especially side slope is in limiting equilibrium at this stage When state, risk can effectively avoid using the program.
Detailed description of the invention
Fig. 1 is the structural schematic diagram when present invention is implemented;
Fig. 2 is the top view of the structural schematic diagram of Miniature anti-slide pile group in the present invention;
Fig. 3 is the structural schematic diagram of Miniature anti-slide pile in the present invention;
Fig. 4 is the structural schematic diagram of billet in the present invention.
Description of symbols: 1- Miniature anti-slide pile, 2- foundation pile, 3- basement floor, 4- connection beam, the sliding of 5- least favorable Face, 6- main reinforcement, 7- bow-shaped support, 8- billet, 9- connector, 10- concrete end socket, 11- concrete pouring hole.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and examples to this hair It is bright to be described in further detail.
Embodiment
Construction project to be built place is located at the place southern side with one voice of Guiyang City, Guizhou Province Beijing East Road and East 2nd Ring Road, and proposed place is to dig Square region, quasi- building are built by the mountain, and height difference straggly is larger.Design building object floor level is 1143.32~1164.7m, is opened Digging status absolute altitude is 1141.07~1165.42m, and phenomenon of backbreaking has occurred in local location.The prospecting report provided according to construction unit It accuses, the distribution of proposed formation is continuous, and the attitude of rocks changes greatly, and formation belongs to Silurian Zhong Gao stockaded village Tian Qun, canescence, It is as thin as medium bed shape marl.According to field measurement, this secondary design place rock stratum is inclined to 120 °~140 °, 6 °~10 ° of inclination angle.
Slope ground is constituted: all rocks of place status, and formation is Silurian Zhong Gao stockaded village Tian Qun (S 2gz), ash White is as thin as medium bed shape marl.Through investigation statistics, in side slope area rock mass development have the one group of joint X L1 (213 ° of 61 ° of ∠), Two groups of joint fissures of L2 (115 ° of 65 ° of ∠) are extremely developed, 1~10mm of Fracture Width, 20~40mm of spacing, and development length 0.2~ 0.7m, conjugation is very poor, and rock mass is cut into cataclastic shape, granular media shape.
According to the slope geological situation disclosed statistics is excavated, rock stratum is to be as thin as medium bed shape, thickness is generally 0.3~ 0.8m, surface is smooth, and combination degree is that combination is very poor.Level weathering is stronger, and development has a siltized intercalation, thickness 1cm~5cm it Between, bottom of slope corner cut or the chance water capacity are easily-deformable, and structural plane type is weak structural face, and structural plane combination degree is that combination is very poor.
According to above-mentioned exploration report, while guaranteeing the stabilization of bedding rock sloper, in order to save construction cost, construction is improved Progress now reinforces bedding rock sloper using following bedding rock sloper reinforcing construction, referring to Fig. 1~3, bedding rock sloper reinforcing construction Including Miniature anti-slide pile 1 and foundation pile 2, in the slope surface of bedding rock sloper perpendicular to least favorable slide surface 5 be provided with it is two rows of with On Miniature anti-slide pile 1, and Miniature anti-slide pile 1 passes through the depth of least favorable slide surface 5 and is greater than 4m, in the outer of Miniature anti-slide pile 1 Concrete is enclosed on wall, while the pile crown of every row's Miniature anti-slide pile 1 is linked together in a crisscross manner by connection beam 4, shape At Miniature anti-slide pile group, foundation pile 2 is also vertically squeezed on the bedding rock sloper reinforced by Miniature anti-slide pile group, on basis The top of stake 2 is provided with ground lower floor plate 3.Referring to Fig. 3 and Fig. 4, the Miniature anti-slide pile includes three welded together in parallel Root main reinforcement 6 is welded with 3 bow-shaped supports 7 on the side wall of every main reinforcement 6, and the top of three main reinforcements 6 is welded with billet 8, It is provided with concrete pouring hole 11 on billet 8, connector 9 is additionally provided on billet 8, is wrapped on the outer wall of connector 9 It is wrapped with concrete end socket 10, the base area of the concrete end socket 10 is greater than the surface area of billet 8.
When bedding rock sloper strengthening construction, referring to Fig. 1, collapses sliding within the scope of removing bedding rock sloper construction area first or become The rock mass of shape cracking, then vertical least favorable slide surface 5 bores the Miniature anti-slide pile stake holes of two rows or more in slope surface, and described is micro- Type friction pile stake holes rectangular array arrangement, the spacing of stake holes are 2.0m × 2.0m.When drilling, using crawler drill It drills, the depth for making Miniature anti-slide pile stake holes pass through least favorable slide surface 5 is greater than 4m, at this time squeezes into Miniature anti-slide pile 1 In Miniature anti-slide pile stake holes, then from the concrete pouring hole 11 on 1 top billet 8 of Miniature anti-slide pile to Miniature anti-slide pile stake Concrete perfusion in hole, and the concrete end socket 10 of every row's Miniature anti-slide pile 1 is connected to one in a crisscross manner using connection beam 4 It rises, forms Miniature anti-slide pile group, realize the reinforcing of bedding rock sloper, finally squeeze into foundation pile vertically on the bedding rock sloper reinforced 2, underground floor 3, which is carried out, on foundation pile 2 constructs.
The present invention undertakes the shearing in bedding rock sloper on least favorable slide surface using Miniature anti-slide pile group and foundation pile 2 Power effectively cuts off the continuity of bedding plane, increases the shearing strength of least favorable slide surface, multiple disconnected bedding planes are connected shape At the higher rock side slope body of an intensity, so that the stabilization of bedding rock sloper be effectively ensured.The present invention can be in the site condition of limitation Under can quickly carry out constructing operation, and the stake holes of Miniature anti-slide pile can be drilled using crawler drill, be constructed It is highly-safe, when especially side slope is in state of limit equilibrium at this stage, risk can effectively avoid using the program.

Claims (5)

1. a kind of bedding rock sloper reinforcement means, it is characterised in that: cunning of having collapsed within the scope of removing bedding rock sloper construction area first Or the rock mass of strain cracking, then vertical least favorable slide surface bores the Miniature anti-slide pile stake holes more than two rows of in slope surface, makes micro- The depth that type friction pile stake holes passes through least favorable slide surface is greater than 4m, at this time squeezes into Miniature anti-slide pile in Miniature anti-slide pile stake holes Concrete perfusion afterwards, and the pile crown of every row's Miniature anti-slide pile is linked together in a crisscross manner using connection beam, it is formed miniature Antiskid pile group realizes the reinforcing of bedding rock sloper, finally foundation pile is squeezed into vertically on the bedding rock sloper reinforced, on foundation pile Carry out basement floor slab construction.
2. bedding rock sloper reinforcement means according to claim 1, it is characterised in that: the Miniature anti-slide pile stake holes is in square Shape array arrangement, the spacing of stake holes are 2.0m × 2.0m.
3. a kind of bedding rock sloper reinforcing construction for realizing method as claimed in claim 1 or 2, including Miniature anti-slide pile (1) with And foundation pile (2), it is characterised in that: least favorable slide surface (5) is provided with two rows or more in the slope surface of bedding rock sloper Miniature anti-slide pile (1), and Miniature anti-slide pile (1) pass through least favorable slide surface (5) depth be greater than 4m, in Miniature anti-slide pile (1) concrete is enclosed on outer wall, while the pile crown of every row's Miniature anti-slide pile (1) is connected in a crisscross manner by connection beam (4) It is connected together, forms Miniature anti-slide pile group, also vertically squeeze into base on the bedding rock sloper reinforced by Miniature anti-slide pile group Plinth stake (2) is provided with basement floor (3) at the top of foundation pile (2).
4. bedding rock sloper reinforcing construction according to claim 3, it is characterised in that: the Miniature anti-slide pile includes in parallel Three main reinforcements (6) welded together, are welded with more than two bow-shaped supports (7), three on the side wall of every main reinforcement (6) It is welded with billet (8) at the top of main reinforcement (6), concrete pouring hole (11) are provided on billet (8), in billet (8) On be additionally provided with connector (9), concrete end socket (10) are enclosed on the outer wall of connector (9).
5. bedding rock sloper reinforcing construction according to claim 4, it is characterised in that: the bottom surface of the concrete end socket (10) Area is greater than the surface area of billet (8).
CN201810917503.3A 2018-08-13 2018-08-13 A kind of bedding rock sloper reinforcement means and reinforcing construction Pending CN109056751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810917503.3A CN109056751A (en) 2018-08-13 2018-08-13 A kind of bedding rock sloper reinforcement means and reinforcing construction

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Application Number Priority Date Filing Date Title
CN201810917503.3A CN109056751A (en) 2018-08-13 2018-08-13 A kind of bedding rock sloper reinforcement means and reinforcing construction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116005693A (en) * 2023-01-04 2023-04-25 北京住总集团有限责任公司 Rock area combined type hole digging anti-slide pile structure and construction method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001159140A (en) * 1999-12-03 2001-06-12 Sumitomo Metal Ind Ltd Landslide-countermeasure structure
CN107816049A (en) * 2017-10-24 2018-03-20 大连理工大学 Accumulation type landslide Miniature anti-slide pile group's combining structure based on collaborative work principle
CN207633352U (en) * 2017-12-13 2018-07-20 中铁二十三局集团有限公司 A kind of slope reinforcement structure for rapid rescue construction
CN108343077A (en) * 2018-04-23 2018-07-31 中铁二院昆明勘察设计研究院有限责任公司 A kind of Miniature anti-slide pile composite structure and its construction method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001159140A (en) * 1999-12-03 2001-06-12 Sumitomo Metal Ind Ltd Landslide-countermeasure structure
CN107816049A (en) * 2017-10-24 2018-03-20 大连理工大学 Accumulation type landslide Miniature anti-slide pile group's combining structure based on collaborative work principle
CN207633352U (en) * 2017-12-13 2018-07-20 中铁二十三局集团有限公司 A kind of slope reinforcement structure for rapid rescue construction
CN108343077A (en) * 2018-04-23 2018-07-31 中铁二院昆明勘察设计研究院有限责任公司 A kind of Miniature anti-slide pile composite structure and its construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116005693A (en) * 2023-01-04 2023-04-25 北京住总集团有限责任公司 Rock area combined type hole digging anti-slide pile structure and construction method thereof
CN116005693B (en) * 2023-01-04 2023-08-25 北京住总集团有限责任公司 Rock area combined type hole digging anti-slide pile structure and construction method thereof

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Application publication date: 20181221

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