CN204298816U - A kind of soil stabilization soil nailing - Google Patents

A kind of soil stabilization soil nailing Download PDF

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Publication number
CN204298816U
CN204298816U CN201420751733.4U CN201420751733U CN204298816U CN 204298816 U CN204298816 U CN 204298816U CN 201420751733 U CN201420751733 U CN 201420751733U CN 204298816 U CN204298816 U CN 204298816U
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CN
China
Prior art keywords
tube
soil
interior pipe
soil nailing
anchorage head
Prior art date
Application number
CN201420751733.4U
Other languages
Chinese (zh)
Inventor
任建喜
张杨洋
孙杰龙
Original Assignee
西安科技大学
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Publication date
Application filed by 西安科技大学 filed Critical 西安科技大学
Priority to CN201420751733.4U priority Critical patent/CN204298816U/en
Application granted granted Critical
Publication of CN204298816U publication Critical patent/CN204298816U/en

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Abstract

The utility model relates to a kind of soil stabilization soil nailing, it comprises body portion and anchorage part, wherein, body portion comprises inner and outer tubes, and one end of outer tube is the conehead of welding, other end opening, interior pipe is installed in hole within the outer tube, the sidewall of outer tube is provided with outer tube anchorage head slotted eye, and anchorage head afterbody clasp joint is on kinge-joint knot, and kinge-joint knot utilizes rivet to be anchored in the interior pipe kinge-joint knot slotted eye of interior pipe; Anchorage head is chosen and is overlapped on outer tube anchorage head slotted eye from the anchorage head slotted eye of outer tube; Offer interior pipe grouting port on inner pipe.The utility model slip casting-anchoring enhancement mode driving into type soil nailing is by strengthening the anchoring strength of soil nailing sidewall and ingenious at slip casting function, significantly can improve the supporting effect of soil nailing, soil nailing is significantly improved in the applicability in coastal region in east China soft stratum and other arenaceous stratum regions.

Description

A kind of soil stabilization soil nailing

Technical field

The utility model relates to the soil nailing field of soil stabilization, particularly relates to a kind of multifunctional soil spike devices that simultaneously can realize grouting and reinforcing and anchoring reinforcing.

Background technology

Plate brad supporting has the feature that engineering quantity is few, speed of application is fast, construction equipment is light, economic compared with other support technologies, therefore has the wider scope of application.The soil nailing used in current foundation ditch, side slope and part tunnel is bored grouting soil nailing, driving into type soil nailing and slip casting driving into type soil nailing mainly, slip casting type soil nailing is due to the prior boring of needs, then soil nailing is implanted, carry out slip casting filling perforation again, required operation is many, and soil disturbance is large, anchoring effect reliability is lower, especially to soft and arenaceous stratum because pore-forming difficulty is large, applicability critical constraints, and the difficult point of the supporting solving weak soil and grittiness scall just now in engineering; Driving into type nail Construction is relatively convenient, but is also only applicable in the good cohesive soil of formation condition and silt; Slip casting driving into type soil nailing supporting effect in these three kinds of soil nailings is relatively better, but owing to being still difficult to the interface friction intensity and the control grouting cost that ensure slurry and the soil body, therefore the scope of application is still limited more.

In view of above-mentioned defect, the utility model creator obtains this creation finally through research and practice.

Summary of the invention

The purpose of this utility model is to provide a kind of soil stabilization soil nailing, in order to overcome above-mentioned technological deficiency.

For achieving the above object, the utility model provides a kind of soil stabilization soil nailing, it comprises body portion and anchorage part, and wherein, body portion comprises inner and outer tubes, one end of outer tube is the conehead of welding, other end opening, interior pipe is installed in hole within the outer tube, and the sidewall of outer tube is provided with outer tube anchorage head slotted eye, anchorage head afterbody clasp joint is on kinge-joint knot, and kinge-joint knot utilizes rivet to be anchored in the interior pipe kinge-joint knot slotted eye of interior pipe; Anchorage head is chosen and is overlapped on outer tube anchorage head slotted eye from the anchorage head slotted eye of outer tube;

Offer interior pipe grouting port on inner pipe.

Further, the open end of interior pipe and outer tube is provided with pad and nut, interior pipe afterbody has screw thread.

Further, at the two ends of interior pipe, locating ring is installed.

The beneficial effects of the utility model are compared with prior art: the utility model slip casting-anchoring enhancement mode driving into type soil nailing is by strengthening the anchoring strength of soil nailing sidewall and ingenious at slip casting function, significantly can improve the supporting effect of soil nailing, soil nailing is significantly improved in the applicability in coastal region in east China soft stratum and other arenaceous stratum regions.

The utility model utilizes soil nailing to beat after soil nailing squeezed into design attitude by the machine of penetrating, the intensity of Rock And Soil is around improved on the one hand by slip casting in soil nailing pipe, on the other hand weaken as far as possible Rock And Soil loss of strength and guarantee anchorage reliability prerequisite under strengthen soil nailing sidewall and around the anchoring strength of Rock And Soil, realize the technical problem improving the support system that Rock And Soil self-strength and strengthening soil nailing and Rock And Soil carry jointly.

Accompanying drawing explanation

Fig. 1 a is slip casting of the present utility model-anchoring enhancement mode driving into type soil nailing work pre-structure schematic diagram;

Fig. 1 b is structural representation after slip casting of the present utility model-anchoring enhancement mode driving into type soil nailing work;

Fig. 2 is afterbody schematic diagram before and after the utility model slip casting-anchoring enhancement mode driving into type soil nailing work

Fig. 3 is the utility model slip casting-anchoring enhancement mode driving into type soil nailing anchor system schematic cross section

Fig. 4 is the utility model slip casting-anchoring enhancement mode driving into type soil nailing anchor system front schematic view

Fig. 5 is the utility model slip casting-anchoring enhancement mode driving into type soil nailing working mechanism schematic diagram.

Detailed description of the invention

Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the utility model.

Refer to shown in Fig. 1 a-5, the utility model soil nailing comprises body portion and anchorage part, wherein, body portion comprises: conehead 1, interior pipe 2, locating ring 3, outer tube anchorage head slotted eye 5, interior pipe injected hole 7, outer tube 8, interior pipe kinge-joint knot slotted eye 9, pad 10, nut 11, anchorage head binding groove 13; Anchorage part comprises: kinge-joint knot 4, anchorage head 6, kinge-joint knot rivet 12.

One end of outer tube 8 in the utility model is the conehead 1 of welding, and other end opening, interior pipe 2 is installed in hole within the outer tube.The sidewall of outer tube 8 is provided with outer tube anchorage head slotted eye 5, and anchorage head 6 afterbody clasp joint is on kinge-joint knot 4, and kinge-joint knot 4 utilizes rivet to be anchored in the interior pipe kinge-joint knot slotted eye 9 of interior pipe, and kinge-joint knot also can be designed as fastened by screw.

At the two ends of interior pipe 2, locating ring 3 is installed, in order to fixing interior pipe 2 in outer tube 8; At interior pipe 2, the open end of outer tube 8 is provided with pad 10 and nut, interior pipe afterbody has screw thread, is fixed inner and outer pipes relative position with fastening anchor system by nut and pad.

Interior pipe 2 offers interior pipe grouting port 7, in order to inject slurries.

In installation process, anchorage head 6 is chosen from the anchorage head slotted eye 5 of outer tube and makes anchorage head 6 just be overlapped on outer tube notch.

The soil nailing assembled is loaded soil nailing beat the machine of penetrating → by soil nailing beat penetrate at the soil body position of design → fixing outer tube and with pipe in pipe in drawbench drawing to design attitude → fixing also spun outer tube make anchorage head snap in anchorage head binding groove 13 → screw pipe enforcement slip casting in afterbody nut → utilization again.

In the utility model, conehead welds to realize reduction and squeezes into and difficulty, outer tube have anchorage head stretch out groove with outer tube, interior pipe there is injected hole and kinge-joint knot is housed, anchorage head is connected with articulated system, for the realization of slip casting, the utility model takes interior pipe injected hole just to design pipe stretching in guarantee makes anchorage head move to grouting behind shaft or drift lining hole, precalculated position just in the grooved bore at anchorage head place, and such slurries just can inject the soil body by interior pipe injected hole and outer tube grooved bore;

For solving the anchoring strength strengthening soil nailing sidewall and Rock And Soil under the prerequisite reducing Rock And Soil loss of strength as far as possible, the utility model adopts and is assembling soil nailing but before not squeezing into the soil body, anchorage head is just exposed and rides on outer tube, after squeezing into soil nailing, will there is translation and rotation in the lap-joint with outer tube in the such anchorage head of the interior pipe of drawing again, finally goes to the method becoming the position of 90 degree to stop with the body of rod and solve anchoring strength problem.

For guaranteeing that this soil nailing of problem of anchorage reliability is taked to increase horizontal slotted eye at outer tube anchorage head fluting place, like this when anchorage head rotate as the body of rod into about 90 degree after, manage and spun outer tube in fixing, make anchorage head snap in horizontal slotted eye with reduce kinge-joint knot bear the power that anchorage head transmits, improve the structural reliability of this anchoring place.

Operating principle of the present utility model is: make by soil nailing the machine of penetrating and soil nailing is squeezed into design attitude, soil nailing is in the process squeezing into the soil body, realize the ground extruding effect of Rock And Soil, make anchorage head stretch out outer tube by pipe in drawing and embed Rock And Soil to realize strengthening the anchoring of the body of rod and Rock And Soil and common supporting effect, anchorage head is made to be fastened on the effect of outer tube horizontal hole slot realization raising anchor system reliability by admittedly interior pipe spun outer tube, and then screw afterbody nut and fix soil nailing system, finally carry out interior pipe slip casting, slurries inject the weak rocks soil body around the body of rod to realize the effect of enhancing Rock And Soil self-strength by inner tubal wall hole and outer tube slotted eye.Final soft soil reaches the effect of self strengthening and outside body of rod anchoring strengthening.

As shown in Figure 5: due to the randomness of natural rock-filled distribution composition, unavoidably there is joint and weak district, the destruction of Rock And Soil is also often that weak area is caused since then.Suppose to there is a weak district in the soil body, the soil body in unreinforced situation below weak district, due to inadequate with upper necromancer adhesion stress, can be caving in advance.After use this slip casting-anchoring enhancement mode driving into type soil nailing, slip casting makes the more closely knit caking property of the soil body around soil nailing strengthen intensity increase on the one hand, the anchorage head that soil nailing sidewall is stretched on the other hand is mounted in the soil body reinforced, the unstable soil body in former bottom is subject to anchorage head suspension function stronger except soil nailing sidewall friction power, and stability obviously strengthens.

The foregoing is only preferred embodiment of the present utility model, is only illustrative for utility model, and nonrestrictive.Those skilled in the art is understood, and requires to carry out many changes to it in the spirit and scope that limit, amendment in utility model right, even equivalent, but all will fall in protection domain of the present utility model.

Claims (3)

1. a soil stabilization soil nailing, it is characterized in that, it comprises body portion and anchorage part, and wherein, body portion comprises inner and outer tubes, one end of outer tube is the conehead of welding, other end opening, interior pipe is installed in hole within the outer tube, and the sidewall of outer tube is provided with outer tube anchorage head slotted eye, anchorage head afterbody clasp joint is on kinge-joint knot, and kinge-joint knot utilizes rivet to be anchored in the interior pipe kinge-joint knot slotted eye of interior pipe; Anchorage head is chosen and is overlapped on outer tube anchorage head slotted eye from the anchorage head slotted eye of outer tube;
Offer interior pipe grouting port on inner pipe.
2. soil stabilization soil nailing according to claim 1, is characterized in that, the open end of interior pipe and outer tube is provided with pad and nut, and interior pipe afterbody has screw thread.
3. soil stabilization soil nailing according to claim 2, is characterized in that, installs locating ring at the two ends of interior pipe.
CN201420751733.4U 2014-11-28 2014-11-28 A kind of soil stabilization soil nailing CN204298816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420751733.4U CN204298816U (en) 2014-11-28 2014-11-28 A kind of soil stabilization soil nailing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420751733.4U CN204298816U (en) 2014-11-28 2014-11-28 A kind of soil stabilization soil nailing

Publications (1)

Publication Number Publication Date
CN204298816U true CN204298816U (en) 2015-04-29

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107558469A (en) * 2017-08-29 2018-01-09 薛江炜 Pin and the stake with pin of pile body
CN108425537A (en) * 2016-06-27 2018-08-21 孙丽君 A kind of electric force pole tower
CN108868846A (en) * 2018-06-29 2018-11-23 中铁二十三局集团第六工程有限公司 M grades of support anchor tubes
CN109113069A (en) * 2018-08-08 2019-01-01 武岳 Precipitous section tunnel immediately adjacent to bridge foundation pit support device and construction method
CN109707085A (en) * 2019-01-15 2019-05-03 浙江国远建设有限公司 A kind of reinforced concrete floor and its processing method
CN110682405A (en) * 2019-10-18 2020-01-14 郭金生 Building concrete pouring jolter

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108425537A (en) * 2016-06-27 2018-08-21 孙丽君 A kind of electric force pole tower
CN108643675A (en) * 2016-06-27 2018-10-12 孙丽君 A kind of electric force pole tower
CN108643674A (en) * 2016-06-27 2018-10-12 孙丽君 A kind of electric force pole tower
CN108425537B (en) * 2016-06-27 2020-06-12 烟台知兴知识产权咨询服务有限公司 Electric power tower
CN108643674B (en) * 2016-06-27 2020-05-15 漳浦新时代农业开发有限公司 Electric power tower
CN108643675B (en) * 2016-06-27 2020-05-19 漳浦新时代农业开发有限公司 Electric power tower
CN107558469A (en) * 2017-08-29 2018-01-09 薛江炜 Pin and the stake with pin of pile body
CN108868846A (en) * 2018-06-29 2018-11-23 中铁二十三局集团第六工程有限公司 M grades of support anchor tubes
CN109113069A (en) * 2018-08-08 2019-01-01 武岳 Precipitous section tunnel immediately adjacent to bridge foundation pit support device and construction method
CN109707085A (en) * 2019-01-15 2019-05-03 浙江国远建设有限公司 A kind of reinforced concrete floor and its processing method
CN110682405A (en) * 2019-10-18 2020-01-14 郭金生 Building concrete pouring jolter
CN110682405B (en) * 2019-10-18 2020-10-30 黑龙江省铁投预制构件有限公司 Building concrete pouring jolter

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150429

Termination date: 20161128