CN108517876A - Pattern foundation pit supporting structure means for mounting coupling parts and its construction method - Google Patents

Pattern foundation pit supporting structure means for mounting coupling parts and its construction method Download PDF

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Publication number
CN108517876A
CN108517876A CN201810347746.8A CN201810347746A CN108517876A CN 108517876 A CN108517876 A CN 108517876A CN 201810347746 A CN201810347746 A CN 201810347746A CN 108517876 A CN108517876 A CN 108517876A
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CN
China
Prior art keywords
pile
foundation pit
coupling parts
pit supporting
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810347746.8A
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Chinese (zh)
Inventor
张路路
朱殿奎
邓阳
金凯
张博文
韩绍栋
石百军
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Construction Eighth Engineering Division Co Ltd filed Critical China Construction Eighth Engineering Division Co Ltd
Priority to CN201810347746.8A priority Critical patent/CN108517876A/en
Publication of CN108517876A publication Critical patent/CN108517876A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits

Abstract

The invention discloses a kind of foundation pit supporting pile means for mounting coupling parts, in the basement rock of foundation pit supporting pile means for mounting coupling parts insertion underground, the pattern foundation pit supporting structure means for mounting coupling parts includes casing, hole and pile pile.Described sleeve pipe is configured to the structure of inner hollow and has an accommodating space, and the top of described sleeve pipe and the level height on ground maintain an equal level, and the bottom of described sleeve pipe is fixed in the basement rock top;The hole is opened in the basement rock top, and the hole is connected to the accommodating space of described sleeve pipe;One end of the pile pile is placed in the accommodating space of described sleeve pipe, and the other end of the pile pile is extended downward by the hole in the basement rock.The present invention carries out build-in by using manual pore-forming to basement rock, using the pile pile for being cased with casing outside as rock end is entered, and solves the technical problem that hard geology enters rock build-in hardly possible, achievees the purpose that improve efficiency, reduces the destruction to protection walls.

Description

Pattern foundation pit supporting structure means for mounting coupling parts and its construction method
Technical field
The present invention relates to technical field of building construction, a kind of pattern foundation pit supporting structure means for mounting coupling parts and its construction party are related in particular to Method.
Background technology
With the high speed development of construction industry construction technology, in the support engineering of different geology, support pile pore-forming Form is varied, and the prior art carries out pore-forming using all kinds of sophisticated equipment machineries, to greatly reduce duration, manpower and expense Input.But under some particular surroundings, large scale equipment can not be used, still uses manual pore-forming, such as meet hard geology, At this moment the rock build-in operation that enters becomes a larger problem.It is considered as static(al) explosion, but explosion when usually constructing to basement rock Government control is received with explosive, application formality trouble applies for limited amount, greatly restricts the duration, and explosion enters rock to excavated by manual work Holes protecting wall causes to shake larger, and safety is very poor.
Invention content
In view of the foregoing, the present invention provides a kind of foundation pit supporting pile means for mounting coupling parts, by using manual pore-forming to basement rock, Build-in is carried out as rock end is entered using the pile pile for being cased with casing outside, the technical problem that hard geology enters rock build-in hardly possible is solved, reaches To improving efficiency, reduce the purpose to the destructions of protection walls.
To achieve the above object, the technical solution adopted by the present invention is that:A kind of foundation pit supporting pile means for mounting coupling parts is provided, it is described Foundation pit supporting pile means for mounting coupling parts is embedded in the basement rock of underground, and the pattern foundation pit supporting structure means for mounting coupling parts includes:Casing, hole and pipe Stake.Described sleeve pipe is configured to the structure of inner hollow and has an accommodating space, and the top of described sleeve pipe and the level on ground are high Degree maintains an equal level, and the bottom of described sleeve pipe is fixed in the basement rock top;The hole is opened in the basement rock top, and the people Work hole is connected to the accommodating space of described sleeve pipe;One end of the pile pile is placed in the accommodating space of described sleeve pipe, the pile pile The other end extended downward into the basement rock by the hole.
Foundation pit supporting pile means for mounting coupling parts of the present invention further improvement lies in that, the foundation pit supporting pile means for mounting coupling parts include three Described sleeve pipe, three described sleeve pipes are triangular in shape to put arrangement.
Foundation pit supporting pile means for mounting coupling parts of the present invention further improvement lies in that, described sleeve pipe periphery be equipped with protection walls, it is described Protection walls enclosing, which is defined, is formed with protective zone, and described sleeve pipe is set in the protective zone.
The further improvement of foundation pit supporting pile means for mounting coupling parts of the present invention is, the protection walls top and described sleeve pipe top The level height at end maintains an equal level, and the level height of the protection walls bottom end and the hole bottom end maintains an equal level.
The further improvement of foundation pit supporting pile means for mounting coupling parts of the present invention is that the side of the protection walls is equipped with sealing curtain Curtain.
Foundation pit supporting pile means for mounting coupling parts of the present invention further improvement lies in that, the top of the pile pile is set in described sleeve pipe Accommodating space lower part.
The further improvement of foundation pit supporting pile means for mounting coupling parts of the present invention is, fills out and is set simultaneously in the accommodating space of described sleeve pipe Full of cement mortar.
The construction method of foundation pit supporting pile means for mounting coupling parts of the present invention, the base of foundation pit supporting pile means for mounting coupling parts insertion underground In rock, the construction method includes:
A. manually digging hole operation:Using manually rock-soil layer excavates protective zone one by one, artificial borehole to basement rock downwards is incorporated to 200~500mm of rock on basement rock to form hole.
B. casing installation exercise:Casing is placed in underground, until the bottom of described sleeve pipe is arranged in the top of the basement rock, And the accommodating space inside described sleeve pipe is connected to the hole.
C. tube pile construction operation:Drill bit of drilling machine is entered out of described sleeve pipe, trepanning enters described artificial in the basement rock The level height in hole down and be fixed in the drilling machine hole by 3m~4m with forming drilling machine hole by the bottom end of pile pile, finally to institute Slip casting in casing is stated until filling.
The construction method of foundation pit supporting pile means for mounting coupling parts of the present invention further improvement lies in that, in the manually digging hole operation In, per in depth descend 1m one protection walls reinforcing bars of binding, after desk checking qualification, set up defences shield using the protection walls reinforcing bar as frame Wall form, and after-pouring protection walls concrete, to form protection walls, the protection walls enclosing is defined to form the protective zone.
The further improvement of the construction method of foundation pit supporting pile means for mounting coupling parts of the present invention is, in the installation of described sleeve pipe In operation, steel reinforcement cage is bound first, casing is then fixed in steel reinforcement cage, while to the protection of protection walls sky Between carry out concreting.
The present invention makes it have following advantageous effect as a result of above technical scheme:
(1) by using manual pore-forming to basement rock, build-in is carried out as rock end is entered using the pile pile for being cased with casing outside, is solved Hard geology enters the technical problem of rock build-in hardly possible, achievees the purpose that improve efficiency, reduces the destruction to protection walls.
(2) three casings enhance the force stability of casing at triangle placing structure.
(3) top of pile pile is set to the lower part of the accommodating space in casing, specifically, pile pile accounts for the accommodating sky in casing Between volume be less than hollow volume in accommodating space, and the position of pile pile is placed in the lower part of accommodating space, strengthens pipe in this way The force stability of stake.
(4) pile pile is placed in casing, and the forming in such drilling machine hole is just completed in casing, is reduced to pattern foundation pit supporting structure of the present invention The destruction of stake, ensure that its overall integrity.
Description of the drawings
Fig. 1 is structural schematic diagram when manual pore-forming's operation is completed in the present invention.
Fig. 2 is structural schematic diagram when middle sleeve installation exercise of the present invention is completed.
Fig. 3 is structural schematic diagram when tube pile construction operation is completed in the present invention.
Fig. 4 is the rock-soil layer distribution situation structural schematic diagram of the present invention.
Fig. 5 is the cross section structure schematic diagram of the protection walls of the present invention.
Drawing reference numeral explanation:
Casing 10;Accommodating space 11;Hole 20;Pile pile 30;Protection walls 40;Protective zone 41;Protection walls reinforcing bar 42;Only Water curtain 50;Rock-soil layer 60;Plain fill 61;Muck soil 62;Strongly weathered sand-rock 63;Basement rock 64;Ground 70.
Specific implementation mode
For the benefit of to the understanding of the present invention, illustrate with reference to the accompanying drawings and embodiments.
It please refers to Fig.1 to Fig. 5, the present invention provides a kind of foundation pit supporting pile means for mounting coupling parts, the foundation pit supporting pile build-in knot Structure is embedded in the basement rock 64 of underground, and the pattern foundation pit supporting structure means for mounting coupling parts includes:Casing 10, hole 20 and pile pile 30.Wherein:
As shown in Figure 2, Figure 3 and Figure 4, described sleeve pipe 10 is configured to the structure of inner hollow and has an accommodating space 11, The top of casing 10 maintains an equal level with the level height on ground 70, and the bottom of casing 10 is fixed in 64 top of basement rock;Preferably, such as Fig. 5 Shown, foundation pit supporting pile means for mounting coupling parts of the present invention includes three casings 10, and three 10 layers of casing triangle put arrangement.
Further, shown in as shown in Figure 1, Figure 2, Fig. 3 and Fig. 5,10 periphery of described sleeve pipe is equipped with protection walls 40, and protection walls 40 are enclosed Conjunction, which is defined, is formed with protective zone 41, and casing 10 is set in protective zone 41.Specifically, as shown in Figure 1, Figure 2 and Figure 3, it protects 40 top of wall and the level height on 10 top of casing maintain an equal level, and 40 bottom end of protection walls and the level height of 20 bottom end of hole maintain an equal level; Preferably, the side of protection walls 40 is equipped with water-stop curtain 50.
In the preferred embodiment of the present invention, protection walls 40 C30 breast wall concretes can be used to pour and be made, but not It is limited to this, can be adjusted according to practice of construction situation.
In the preferred embodiment of the present invention, as shown in figure 5, the protective zone 41 to be formed is defined in the enclosing of protection walls 40 It is configured to cylindrical structure, the diameter in section can be 800mm, and but it is not limited to this, can be adjusted according to practice of construction situation It is whole.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the hole 20 is opened in 64 top of basement rock, and hole 20 and casing 10 accommodating space 11 is connected to;Preferably, the depth of hole 20 can be 500mm, and but it is not limited to this, can be according to practice of construction Situation is adjusted.
As shown in Figure 3 and Figure 4, one end of the pile pile 30 is placed in the accommodating space 11 of casing 10, pile pile 30 it is another End is extended downward by hole 20 in basement rock 64;As shown in figure 3, the top of pile pile 30 is set to the accommodating space in casing 10 11 lower part, specifically, the volume that pile pile 30 accounts for the accommodating space 11 in casing 10 is less than body hollow in accommodating space 11 Product, and the position of pile pile 30 is placed in the lower part of accommodating space 11, strengthens the force stability of pile pile 30 in this way.
In the preferred embodiment of the present invention, filled out as shown in figure 4, the rock-soil layer 60 of underground is followed successively by element from top to bottom Soil 61, muck soil 62, strongly weathered sand-rock 63 and basement rock 64, basement rock 64 are middle weathered rock formation.Specifically, the depth of plain fill 61 Can be 5000mm, the depth of muck soil 62 can be 2000mm, and the depth of strongly weathered sand-rock 63 can be 1000mm, but be not limited to This, can be adjusted according to practice of construction situation.
In a kind of preferable construction method, as shown in Figures 1 to 5, the foundation pit supporting pile means for mounting coupling parts is embedded in underground Basement rock 64 in, the construction method includes:
A. manually digging hole operation:Using manually the excavation of rock-soil layer 60 forms protective zone 41 one by one, artificial borehole downwards is extremely Basement rock 64 is incorporated to 200~500mm of rock to form hole 20 on basement rock.
B. casing installation exercise:Casing 10 is placed in underground, until the bottom of casing 10 is arranged in the top of basement rock 64, and Accommodating space 11 inside casing 10 is connected to hole 20.
C. tube pile construction operation:Drill bit of drilling machine (not shown) is entered out of casing 10, trepanning enters artificial in basement rock 64 Drilling machine hole (not shown) and is fixed in the bottom end of pile pile 30 to the level height in hole 20 by 3m to form drilling machine hole (not shown) down It is interior, finally into casing 10 slip casting until fill.
In the step A of the construction method of the present invention, manually pick, spade can be used to carry out for rock-soil layer 60 one by one, meet hard soil Layer is crushed with severely-weathered layer hammer, pricker or air compressor machine pneumatic pick and excavates, and but it is not limited to this, can be adjusted according to practice of construction situation It is whole.
In the step C of the construction method of the present invention, drill bit of drilling machine (not shown) enters out of casing 10, and casing 10 The level height at top and ground 70 maintains an equal level, in this way, staff constructs on ground 70, greatly improves work people The safety of member's operation;After drilling machine hole (not shown) pore-forming, then slip casting being carried out, the construction of such pile pile 30 then can follow up, The normal construction duration is not influenced.
Further, in the manually digging hole operation, per in depth descending 1m to bind a protection walls reinforcing bar 42, through manually examining It is dado template (not shown) of setting up defences in the steel reinforcement cage of frame with the protection walls reinforcing bar 42 after testing qualification, and after-pouring protects Wall concrete, to form protection walls 40, the enclosing of protection walls 40 is defined to form protective zone 41.
Further, in the installation exercise of described sleeve pipe, steel reinforcement cage (not shown) is bound first, is then existed It is fixed with casing 10 in steel reinforcement cage (not shown), while concreting is carried out to the protective zone of protection walls 40 41.
It is described the invention in detail above in association with accompanying drawings and embodiments, those skilled in the art can basis Above description makes many variations example to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, The present invention will be using the range that the appended claims define as protection scope of the present invention.

Claims (10)

1. a kind of foundation pit supporting pile means for mounting coupling parts, which is characterized in that the basement rock of foundation pit supporting pile means for mounting coupling parts insertion underground Interior, the foundation pit supporting pile means for mounting coupling parts includes:
Casing, described sleeve pipe are configured to the structure of inner hollow and have an accommodating space, the top of described sleeve pipe and ground Level height maintains an equal level, and the bottom of described sleeve pipe is fixed in the basement rock top;
Hole, the hole is opened in the basement rock top, and the hole is connected to the accommodating space of described sleeve pipe;
One end of pile pile, the pile pile is placed in the accommodating space of described sleeve pipe, and the other end of the pile pile passes through described artificial Hole extends downward into the basement rock.
2. foundation pit supporting pile means for mounting coupling parts according to claim 1, which is characterized in that the foundation pit supporting pile means for mounting coupling parts Including three described sleeve pipes, three described sleeve pipes are triangular in shape to put arrangement.
3. foundation pit supporting pile means for mounting coupling parts according to claim 1, which is characterized in that described sleeve pipe periphery is equipped with protection Wall, the protection walls enclosing, which is defined, is formed with protective zone, and described sleeve pipe is set in the protective zone.
4. foundation pit supporting pile means for mounting coupling parts according to claim 3, which is characterized in that the protection walls top and the set The level height at tube top end maintains an equal level, and the level height of the protection walls bottom end and the hole bottom end maintains an equal level.
5. foundation pit supporting pile means for mounting coupling parts according to claim 3, which is characterized in that the side of the protection walls is equipped with only Water curtain.
6. foundation pit supporting pile means for mounting coupling parts according to claim 1, which is characterized in that the top of the pile pile is set to described The lower part of accommodating space in casing.
7. according to any foundation pit supporting pile means for mounting coupling parts in claim 1 to 6, which is characterized in that the appearance of described sleeve pipe It is filled out in emptying and sets and be full of cement mortar.
8. a kind of construction method of foundation pit supporting pile means for mounting coupling parts, which is characterized in that the foundation pit supporting pile means for mounting coupling parts insertion In the basement rock of underground, the construction method includes:
A. manually digging hole operation:Using manually rock-soil layer excavates to form protective zone one by one, artificial borehole to basement rock downwards is incorporated to 200~500mm of rock on basement rock to form hole.
B. casing installation exercise:Casing is placed in underground, until the bottom of described sleeve pipe is arranged in the top of the basement rock, and institute The accommodating space for stating inside pipe casing is connected to the hole.
C. tube pile construction operation:Drill bit of drilling machine is entered out of described sleeve pipe, trepanning enters the hole in the basement rock Level height down and be fixed in the drilling machine hole by 3m~4m with forming drilling machine hole by the bottom end of pile pile, finally to the set Slip casting in pipe is until fill.
9. the construction method of foundation pit supporting pile means for mounting coupling parts according to claim 8, which is characterized in that in the excavated by manual work In the operation of hole, per in depth descending 1m to bind a protection walls reinforcing bar, after desk checking qualification, using the protection walls reinforcing bar as frame It sets up defences dado template, and after-pouring protection walls concrete, to form protection walls, the protection walls enclosing is defined to form the protection Space.
10. the construction method of foundation pit supporting pile means for mounting coupling parts according to claim 8 or claim 9, which is characterized in that in the set In the installation exercise of pipe, steel reinforcement cage is bound first, casing is then fixed in steel reinforcement cage, while to the protection walls Protective zone carry out concreting.
CN201810347746.8A 2018-04-18 2018-04-18 Pattern foundation pit supporting structure means for mounting coupling parts and its construction method Pending CN108517876A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810347746.8A CN108517876A (en) 2018-04-18 2018-04-18 Pattern foundation pit supporting structure means for mounting coupling parts and its construction method

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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101122131A (en) * 2007-08-14 2008-02-13 蓝冰 Foundation pit supporting pile using pipe casting pile embedding in rock
KR100977526B1 (en) * 2009-03-13 2010-08-23 황기수 Small dia. pile and constructure method for it
CN102011404A (en) * 2010-11-24 2011-04-13 温州中城建设集团有限公司 Pit supporting structure and construction method thereof
CN203625893U (en) * 2013-12-23 2014-06-04 青岛业高建设工程有限公司 Rock-embedded cast-in-place pile
CN104343130A (en) * 2013-07-25 2015-02-11 五冶集团上海有限公司 Large-diameter manual hole digging expanded base pile foundation construction method
CN205712080U (en) * 2016-06-08 2016-11-23 上海勘测设计研究院有限公司 steel tube concrete pile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101122131A (en) * 2007-08-14 2008-02-13 蓝冰 Foundation pit supporting pile using pipe casting pile embedding in rock
KR100977526B1 (en) * 2009-03-13 2010-08-23 황기수 Small dia. pile and constructure method for it
CN102011404A (en) * 2010-11-24 2011-04-13 温州中城建设集团有限公司 Pit supporting structure and construction method thereof
CN104343130A (en) * 2013-07-25 2015-02-11 五冶集团上海有限公司 Large-diameter manual hole digging expanded base pile foundation construction method
CN203625893U (en) * 2013-12-23 2014-06-04 青岛业高建设工程有限公司 Rock-embedded cast-in-place pile
CN205712080U (en) * 2016-06-08 2016-11-23 上海勘测设计研究院有限公司 steel tube concrete pile

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Application publication date: 20180911