CN112281866A - Connecting structure of waist rail and support pile and construction method thereof - Google Patents

Connecting structure of waist rail and support pile and construction method thereof Download PDF

Info

Publication number
CN112281866A
CN112281866A CN202011122006.8A CN202011122006A CN112281866A CN 112281866 A CN112281866 A CN 112281866A CN 202011122006 A CN202011122006 A CN 202011122006A CN 112281866 A CN112281866 A CN 112281866A
Authority
CN
China
Prior art keywords
support pile
sleeve
embedded
rib
fixedly connected
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
CN202011122006.8A
Other languages
Chinese (zh)
Inventor
朱荣珅
蒋雪城
牛百川
王碗
孙林
邹坤
任海亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Eighth Engineering Division Co Ltd
Original Assignee
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 CN202011122006.8A priority Critical patent/CN112281866A/en
Publication of CN112281866A publication Critical patent/CN112281866A/en
Pending legal-status Critical Current

Links

Images

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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/20Miscellaneous comprising details of connection between elements

Abstract

The invention relates to a connecting structure of a wale and a support pile, which comprises: the embedded part is arranged corresponding to the waist rail to be constructed, one end of the embedded part is embedded in the support pile, and the other end of the embedded part is exposed outwards and is flush with the surface of the support pile; the protective sleeve is detachably sleeved at the exposed end part of the embedded part; and the auxiliary ribs are matched with the embedded parts and are used for fixedly connecting the beam reinforcing steel bars of the waist beam to be constructed, the protective sleeve is removed, the auxiliary ribs and the embedded parts are fixedly connected, the beam reinforcing steel bars are fixedly connected with the embedded parts, and the waist beam is fixedly connected with the support piles after the waist beam is formed by pouring. The invention effectively solves the problem of difficult connection between the waist beam and the support pile, avoids damaging the pile body of the support pile, ensures the integral stability of the support pile, has high connection strength with the waist beam, and improves the construction quality and the construction efficiency.

Description

Connecting structure of waist rail and support pile and construction method thereof
Technical Field
The invention relates to the field of building construction, in particular to a connecting structure of a waist rail and a support pile and a construction method thereof.
Background
Usually, a wale is required to be poured at the side part of a plurality of support piles to connect the support piles into a whole, the construction method of the wale at present is to chisel concrete at the corresponding position of a pile body of the support pile to expose reinforcing steel bars of the support pile, and pour the wale reinforcing steel bars and the support pile reinforcing steel bars after fixed connection to form the wale, but the chiseling of the concrete is difficult, so that the workload is large, the pile body is greatly damaged, and the stability of the support pile is difficult to ensure; the other mode is to plant the bars into the concrete pile body of the support pile, but the depth of the planted bars is deep in the actual construction process, the dependence on the performance of the planted bar glue is high, the reliability of the planted bars is difficult to guarantee, and the construction cost is also high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a connecting structure of a waist beam and a support pile and a construction method thereof, solves the problem of difficult connection of the waist beam and the support pile, avoids damaging the pile body of the support pile, ensures the overall stability of the support pile, has high connection strength with the waist beam, and improves the construction quality and the construction efficiency.
The technical scheme for realizing the purpose is as follows:
the invention provides a connecting structure of a wale and a support pile, which comprises:
the embedded part is arranged corresponding to the waist rail to be constructed, one end of the embedded part is embedded in the support pile, and the other end of the embedded part is exposed outwards and is flush with the surface of the support pile;
the protective sleeve is detachably sleeved at the exposed end part of the embedded part; and
with the built-in fitting phase-match and with the beam reinforcing bar fixed connection's that supplies the waist rail of treating the construction attach the muscle, through demolising the protective sheath to fixed connection attaches muscle and built-in fitting, makes the beam reinforcing bar can with built-in fitting fixed connection, thereby pour and form behind the waist rail, waist rail and fender pile fixed connection.
According to the invention, by adopting the connecting structure of the waist beam and the support pile, the protective sleeve is sleeved at the end part of the embedded part, and then the support pile is formed by pouring, the protective sleeve is removed, the additional rib is fixedly connected with the embedded part, so that the beam steel bar is fixedly connected with the embedded part, and after the waist beam is formed by pouring, the waist beam is fixedly connected with the support pile, so that concrete for removing the pile body of the support pile is not needed, and bar planting is not needed, the construction is more convenient and rapid, the integral integrity of the support pile is ensured, the problem of difficult connection between the waist beam and the support pile is solved, the damage to the pile body of the support pile is avoided, the integral stability of the support pile is ensured, the connecting strength with the waist beam is high, and the construction quality and the construction efficiency are improved.
The connection structure of the wale and the support pile is further improved in that the embedded part comprises an embedded rib and a sleeve, wherein one end of the embedded rib is fixedly connected with a reinforcement cage of the support pile, the sleeve is sleeved at the other end of the embedded rib, and one end, far away from the embedded rib, of the sleeve is flush with the surface of the support pile;
the additional ribs are screwed into the sleeve, so that the additional ribs are fixedly connected with the sleeve.
The invention further improves the connection structure of the wale and the support pile, the embedded rib is U-shaped and comprises a fixing part, an inserting part and a connecting part, wherein the fixing part and the inserting part are opposite, the connecting part is connected between the fixing part and the inserting part, the fixing part is fixedly connected with a reinforcement cage, and the sleeve is fixed at the end part of the inserting part.
The invention further improves the connection structure of the wale and the support pile, and the reinforcement cage comprises a plurality of longitudinal bars arranged at intervals, stiffening hoops fixedly arranged on the longitudinal bars and spiral hoops wound on the longitudinal bars;
the fixing part is fixedly connected with the stiffening hoop, and the inserting part is fixedly connected with the corresponding spiral hoop.
The invention further improves the connection structure of the wale and the support pile, and the end part of the fixing part is bent to form a bending part which hooks the stiffening hoop and is fixedly connected with the stiffening hoop.
The connection structure of the wale and the support pile is further improved in that the connection structure further comprises a sealing plug for being plugged into the sleeve, and the protective sleeve wraps the exposed end part of the sleeve and the sealing plug.
The connection structure of the wale and the support pile of the present invention is further improved in that the end of the sealing plug remote from the sleeve is formed with a pull ring.
The connection structure of the wale and the support pile is further improved in that the protective sleeve is made of an elastic material and has one closed end to wrap the exposed end of the embedded part.
The invention also provides a construction method of the connection structure of the waist rail and the support pile, which comprises the following steps:
providing an embedded part and a protective sleeve, fixedly connecting one end of the embedded part with a reinforcement cage of a support pile to be constructed, and sleeving the protective sleeve at the other end of the embedded part;
providing an additional rib, after pouring to form a support pile, removing the protective sleeve, and fixedly connecting one end of the additional rib with the exposed end part of the embedded part;
and fixedly connecting the other end of the additional rib with the beam reinforcing steel bar, and after a waist beam is formed by pouring, fixedly connecting the waist beam with the support pile.
The construction method of the connection structure of the wale and the support pile is further improved in that the embedded part comprises an embedded rib and a sleeve sleeved at one end of the embedded rib;
keep away from telescopic one end and steel reinforcement cage fixed connection with the buried muscle, locate the sleeve with the protective sheath cover and keep away from the tip of buried muscle, pour and form a fender pile after, demolish the protective sheath, will attach the muscle spiral shell in the sleeve to attach muscle and built-in fitting fixed connection.
Drawings
Fig. 1 is an overall front view of a wale and support pile connecting structure according to the present invention.
Fig. 2 is an overall plan view of the coupling structure of the wale and the support piles according to the present invention.
Fig. 3 is an enlarged schematic view of a coupling structure of a wale and a support pile according to the present invention, in which the support pile and the wale are omitted.
Fig. 4 is an enlarged view illustrating an exploded state of the coupling structure of the wale and the support piles according to the present invention, in which the support piles and the wale are omitted.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a connecting structure of a waist beam and a support pile and a construction method thereof, the protective sleeve is sleeved on the end part of an embedded part, the protective sleeve is removed after a support pile is formed by pouring, an additional rib is fixedly connected with the embedded part, so that a beam steel bar is fixedly connected with the embedded part, the waist beam is fixedly connected with the support pile after the waist beam is formed by pouring, the concrete of the pile body of the support pile is not required to be chiseled, the rib is not required to be planted, the construction is more convenient and rapid, the integral integrity of the support pile is ensured, the problem of difficult connection of the waist beam and the support pile is solved, the damage to the pile body of the support pile is avoided, the integral stability of the support pile is ensured, the connecting strength with the waist beam is high, and the construction quality and the construction efficiency are improved. The connection structure of the wale and the support pile according to the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is an overall front view of a wale and support pile connecting structure according to the present invention. The connection structure of the wale and the support pile according to the present invention will be described with reference to fig. 1.
As shown in fig. 1, 2 and 4, the wale and support pile connecting structure according to the present invention includes:
an embedded part which is arranged corresponding to the waist rail 22 to be constructed and one end of which is embedded in the support pile 21, and the other end of the embedded part is exposed outwards and is flush with the surface of the support pile 21;
the protective sleeve 13 is detachably sleeved at the exposed end part of the embedded part; and
with the built-in fitting phase-match and with the beam reinforcing bar fixed connection's of waited to be under construction additional muscle 14, through dismantling protective sheath 13 to fixed connection attaches muscle 14 and built-in fitting, makes the beam reinforcing bar can with built-in fitting fixed connection, thereby pour and form behind the waist rail 22, waist rail 22 and fender pile 21 fixed connection.
Specifically, the protective sleeve 13 is made of an elastic material and has one closed end to wrap the exposed end of the embedded part.
As a preferred embodiment of the present invention, referring to fig. 3, the embedded part includes an embedded bar 11 having one end fixedly connected to the reinforcement cage of the support pile 21, and a sleeve 12 sleeved on the other end of the embedded bar 11, wherein one end of the sleeve 12 away from the embedded bar 11 is flush with the surface of the support pile 21;
the additional rib 14 is screwed into the sleeve 12 so that the additional rib 14 is fixedly connected to the sleeve 12.
Specifically, the embedded bar 11 is U-shaped, and includes a fixing portion 111, an insertion portion 112 and a connecting portion connected between the fixing portion 111 and the insertion portion 112, the fixing portion 111 is fixedly connected to the reinforcement cage, and the sleeve 12 is fixed to an end of the insertion portion 112.
Preferably, the reinforcement cage includes a plurality of longitudinal bars arranged at intervals, a stiffening hoop 211 fixed on the longitudinal bars, and a spiral hoop 212 wound on the longitudinal bars;
the fixing portion 111 is fixedly connected with the stiffening hoops 211, and the inserting portion 112 is fixedly connected with the corresponding spiral hoops 212, so that the connection strength between the embedded part and the reinforcement cage is improved.
Specifically, the end of the fixing portion 111 is bent to form a bent portion 1111, and the bent portion 1111 hooks the stiffening hoop 211 and is fixedly connected to the stiffening hoop 211, so as to further enhance the connection strength between the embedded bar 11 and the reinforcement cage.
Further, a sealing plug 121 is provided for insertion into the sleeve 12, and the protective sleeve 13 covers the exposed end of the sleeve 12 and the sealing plug 121 to further seal the sleeve 12 and prevent concrete from flowing into the exposed end of the sleeve 12.
In particular, the end of the sealing plug 121 remote from the sleeve is formed with a pull ring 1211 to facilitate pulling the sealing plug 121 outwardly.
The concrete implementation mode of the connection structure of the wale and the support pile is as follows:
after a pile hole is excavated and formed, before a reinforcement cage is placed downwards, an embedded part is installed on the reinforcement cage, namely a bent part 1111 of an embedded rib 11 is hooked on a stiffening hoop 211 of the reinforcement cage, the bent part 1111 and a fixed part 111 are both welded with the stiffening hoop 211, an insertion part 112 is welded with a corresponding spiral hoop 212, and at the moment, the end part of the insertion part 112 slightly protrudes out of the reinforcement cage;
screwing the sleeve 12 on the end of the plug part 112, wherein the sleeve 12 partially extends out of the end of the plug part 112, inserting the sealing plug 121 on the end of the sleeve 12 extending out, and the pull ring 1211 of the sealing plug 121 faces outwards, wrapping the protective sleeve 13 on the surfaces of the sleeve 12 and the sealing plug 121, and preventing concrete from flowing into the sleeve 12 when concrete is poured subsequently;
lowering a reinforcement cage, pouring concrete to form a support pile 21, exposing part of the protective sleeve 13 on the surface of the support pile 21, chiseling the protective sleeve 13, and pulling out the sealing plug 121 by using the pull ring 1211 to expose the sleeve 12;
screwing the additional rib 14 into the sleeve 12, further fixedly connecting the additional rib 14 with the beam steel bars, erecting a template around the beam steel bars, and pouring concrete to form a wale 22, wherein the wale 22 is fixedly connected with the support pile 21;
adopt above-mentioned mode not need chisel the concrete pile body of removing a fender pile 21, also need not the bar planting, the efficiency of construction is high, and through the buried muscle 11 adapter sleeve 12 and the steel reinforcement cage of U-shaped, joint strength is higher for waist rail 22 is big with a fender pile 21's joint strength, and stability is good.
The invention also provides a construction method of the connection structure of the wale and the support pile, which comprises the following steps:
providing an embedded part and a protective sleeve 13, fixedly connecting one end of the embedded part with a reinforcement cage of a support pile 21 to be constructed, and sleeving the protective sleeve 13 at the other end of the embedded part;
providing an additional rib 14, pouring to form a support pile 21, removing the protective sleeve 13, and fixedly connecting one end of the additional rib 14 with the exposed end of the embedded part;
and fixedly connecting the other end of the additional rib 14 with the beam reinforcing steel bar, and after the wale 22 is formed by pouring, fixedly connecting the wale 22 with the support pile 21.
Further, the embedded part comprises an embedded rib 11 and a sleeve 12 sleeved at one end of the embedded rib 11;
one end, far away from the sleeve 12, of the embedded steel bar 11 is fixedly connected with a steel reinforcement cage, the protective sleeve 13 is sleeved at the end, far away from the embedded steel bar 11, of the sleeve 12, after the support pile 21 is formed through pouring, the protective sleeve 13 is detached, the additional rib 14 is screwed in the sleeve 12, and therefore the additional rib 14 is fixedly connected with the embedded part.
The concrete operation mode of the construction method provided by the invention is as follows:
after a pile hole is excavated and formed, before a reinforcement cage is placed downwards, an embedded part is installed on the reinforcement cage, namely a bent part 1111 of an embedded rib 11 is hooked on a stiffening hoop 211 of the reinforcement cage, the bent part 1111 and a fixed part 111 are both welded with the stiffening hoop 211, an insertion part 112 is welded with a corresponding spiral hoop 212, and at the moment, the end part of the insertion part 112 slightly protrudes out of the reinforcement cage;
screwing the sleeve 12 on the end of the plug part 112, wherein the sleeve 12 partially extends out of the end of the plug part 112, inserting the sealing plug 121 on the end of the sleeve 12 extending out, and the pull ring 1211 of the sealing plug 121 faces outwards, wrapping the protective sleeve 13 on the surfaces of the sleeve 12 and the sealing plug 121, and preventing concrete from flowing into the sleeve 12 when concrete is poured subsequently;
lowering a reinforcement cage, pouring concrete to form a support pile 21, exposing part of the protective sleeve 13 on the surface of the support pile 21, chiseling the protective sleeve 13, and pulling out the sealing plug 121 by using the pull ring 1211 to expose the sleeve 12;
the additional rib 14 is screwed into the sleeve 12, the additional rib 14 is fixedly connected with the beam steel bars, a template is erected around the beam steel bars, concrete is poured to form a wale 22, and the wale 22 is fixedly connected with the support pile 21.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.

Claims (10)

1. A connection structure of wale and fender pile, its characterized in that includes:
the embedded part is arranged corresponding to the waist rail to be constructed, one end of the embedded part is embedded in the support pile, and the other end of the embedded part is exposed outwards and is flush with the surface of the support pile;
the protective sleeve is detachably sleeved at the exposed end part of the embedded part; and
and the auxiliary rib is matched with the embedded part and is fixedly connected with the beam reinforcing steel bar of the waist beam to be constructed, and the auxiliary rib and the embedded part are fixedly connected through dismantling the protective sleeve, so that the beam reinforcing steel bar can be fixedly connected with the embedded part, and the waist beam is fixedly connected with the support pile after the waist beam is formed by pouring.
2. The wale and support pile connecting structure according to claim 1, wherein the embedded member includes a buried rib having one end fixedly connected to a reinforcement cage of the support pile, and a sleeve fitted over the other end of the buried rib, and an end of the sleeve remote from the buried rib is flush with a surface of the support pile;
the additional rib is screwed into the sleeve, so that the additional rib is fixedly connected with the sleeve.
3. The wale and support pile connecting structure according to claim 2, wherein the embedded rib has a U-shape including opposite fixing portions and insertion portions and a connecting portion connected between the fixing portions and the insertion portions, the fixing portions are fixedly connected to the reinforcement cage, and the sleeves are fixed to ends of the insertion portions.
4. The wale-to-support pile connecting structure according to claim 3, wherein the reinforcement cage includes a plurality of longitudinal ribs arranged at intervals, a reinforcing hoop hooped to the longitudinal ribs, and a spiral hoop wound around the longitudinal ribs;
the fixing part is fixedly connected with the stiffening hoops, and the inserting part is fixedly connected with the corresponding spiral hoops.
5. The structure for connecting a wale to a support pile according to claim 4, wherein the end of the fixing portion is bent to form a bent portion, and the bent portion hooks the stiffening hoop and is fixedly connected to the stiffening hoop.
6. The wale-pile joint structure according to claim 2, further comprising a sealing plug for being inserted into the sleeve, wherein the protective cover encloses the exposed end of the sleeve and the sealing plug.
7. A wale and pile connecting structure according to claim 6, wherein an end of said sealing plug remote from said sleeve is formed with a pull ring.
8. The wale-to-pile connection structure according to claim 1, wherein the sheathing is made of an elastic material and has one end closed to wrap the exposed end of the embedment.
9. A construction method of a wale-to-support pile connecting structure according to claim 1, comprising the steps of:
providing the embedded part and the protective sleeve, fixedly connecting one end of the embedded part with a reinforcement cage of a support pile to be constructed, and sleeving the protective sleeve on the other end of the embedded part;
providing the additional rib, pouring to form the support pile, removing the protective sleeve, and fixedly connecting one end of the additional rib with the exposed end part of the embedded part;
and fixedly connecting the other end of the additional rib with the beam reinforcing steel bar, and after the waist beam is formed by pouring, fixedly connecting the waist beam with the support pile.
10. The construction method of a coupling structure of a wale and a support pile according to claim 9, wherein the embedded member includes a buried rib and a sleeve fitted over one end of the buried rib;
and fixedly connecting one end of the embedded rib, far away from the sleeve, with the reinforcement cage, sleeving the protective sleeve on the end part of the sleeve, far away from the embedded rib, pouring to form the support pile, removing the protective sleeve, and screwing the additional rib into the sleeve, so that the additional rib is fixedly connected with the embedded part.
CN202011122006.8A 2020-10-20 2020-10-20 Connecting structure of waist rail and support pile and construction method thereof Pending CN112281866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011122006.8A CN112281866A (en) 2020-10-20 2020-10-20 Connecting structure of waist rail and support pile and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011122006.8A CN112281866A (en) 2020-10-20 2020-10-20 Connecting structure of waist rail and support pile and construction method thereof

Publications (1)

Publication Number Publication Date
CN112281866A true CN112281866A (en) 2021-01-29

Family

ID=74497874

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011122006.8A Pending CN112281866A (en) 2020-10-20 2020-10-20 Connecting structure of waist rail and support pile and construction method thereof

Country Status (1)

Country Link
CN (1) CN112281866A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113756292A (en) * 2021-06-07 2021-12-07 中启胶建集团有限公司 Waist beam suspension steel bar and template quick-forming structure and construction method thereof
CN115162348A (en) * 2022-06-27 2022-10-11 广西华蓝岩土工程有限公司 Bored pile, waist beam with bored pile and manufacturing method of waist beam

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943490A (en) * 2012-12-11 2013-02-27 天津天一建设集团有限公司 Underground diaphragm wall embedded beam slab steel bar straight thread bar anchoring structure and construction method thereof
CN205024689U (en) * 2015-09-06 2016-02-10 中建二局第三建筑工程有限公司 Waist rail and bored concrete pile connected node structure
KR101913630B1 (en) * 2018-03-05 2018-10-31 민병찬 Reverse t-type steel composite vertical member for outer wall of the underground structure and the construction method using the same
CN211368727U (en) * 2019-09-23 2020-08-28 中铁第四勘察设计院集团有限公司 Connection structure and reinforced concrete of fender post and waist rail

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943490A (en) * 2012-12-11 2013-02-27 天津天一建设集团有限公司 Underground diaphragm wall embedded beam slab steel bar straight thread bar anchoring structure and construction method thereof
CN205024689U (en) * 2015-09-06 2016-02-10 中建二局第三建筑工程有限公司 Waist rail and bored concrete pile connected node structure
KR101913630B1 (en) * 2018-03-05 2018-10-31 민병찬 Reverse t-type steel composite vertical member for outer wall of the underground structure and the construction method using the same
CN211368727U (en) * 2019-09-23 2020-08-28 中铁第四勘察设计院集团有限公司 Connection structure and reinforced concrete of fender post and waist rail

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113756292A (en) * 2021-06-07 2021-12-07 中启胶建集团有限公司 Waist beam suspension steel bar and template quick-forming structure and construction method thereof
CN115162348A (en) * 2022-06-27 2022-10-11 广西华蓝岩土工程有限公司 Bored pile, waist beam with bored pile and manufacturing method of waist beam

Similar Documents

Publication Publication Date Title
CN112281866A (en) Connecting structure of waist rail and support pile and construction method thereof
CN201144419Y (en) Recoverable steel guide sleeve of underwater cast-in-situ bored pile
KR101080836B1 (en) Buit-in steel plate with shear key for rebar splice
CN212317492U (en) Vertical pre-buried threading pipe structure in roof beam of conveniently taking over
JP2011099278A (en) Method and implement for repairing anchor bolt for slope stabilization
JP2012001981A (en) Sc pile, pile head reinforcing bar for sc pile and installing method of pile head reinforcing bar for sc pile
JP5468733B2 (en) Foundation through-pipe structure and drainage pipe removal method
KR20190078143A (en) Electric pole reinforcement device and Electric pole reinforcement method thereof
KR101025781B1 (en) Buit-in steel sheet for iron reinforcing rod joint
KR102631023B1 (en) Grounding rod for electric pole, Device and Method for installing the same
KR101213454B1 (en) Construction method and support device for extracting h-pile
KR101186482B1 (en) Trenchless replacing method for underground pipe
JP5162533B2 (en) Tightening cap of packer terminal to be attached to lock bolt and tightening method of cylindrical seamless pyrene packer terminal to be attached to lock bolt using the cap
KR101065330B1 (en) Construction method for geothermal heat exchanger
JP3533463B2 (en) Reinforcement method of connection part in existing pipe
JP2012184597A (en) Ground anchor installation device and installation method
KR100717252B1 (en) Grouting apparatus and Method of construction work using Earth anchor
KR200437221Y1 (en) Spacer fitted with nail
JP4935656B2 (en) Existing pipe drawing and removal method
KR20200086975A (en) Pre installed steel pole base and steel pipe
CN216405835U (en) Cast-in-place concrete wall body with tubular connecting piece and heat-insulation external template
JP7089819B1 (en) Casing tube stopper, casing tube, and casing tube extraction method
JPH0571731B2 (en)
JP5965753B2 (en) Non-widened long steel pipe tip receiving method and injection structure of the injection material in the terminal pipe used in the method
KR100603036B1 (en) Vibration type conduit piercing rod

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210129

RJ01 Rejection of invention patent application after publication