CN207512752U - A kind of tall earth fill supporting construction - Google Patents

A kind of tall earth fill supporting construction Download PDF

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Publication number
CN207512752U
CN207512752U CN201721429530.3U CN201721429530U CN207512752U CN 207512752 U CN207512752 U CN 207512752U CN 201721429530 U CN201721429530 U CN 201721429530U CN 207512752 U CN207512752 U CN 207512752U
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CN
China
Prior art keywords
several
column
steel strand
strand wires
double
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Expired - Fee Related
Application number
CN201721429530.3U
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Chinese (zh)
Inventor
张恩祥
龙照
刘若琪
项龙江
魏永孝
张勇
蒋宗鑫
郭志元
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Gansu Zhongjian Municipal Engineering Survey Design And Research Institute
Gansu CSCEC Municipal Engineering Investigation and Design Institute Co Ltd
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Gansu Zhongjian Municipal Engineering Survey Design And Research Institute
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Priority to CN201721429530.3U priority Critical patent/CN207512752U/en
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Abstract

The utility model discloses a kind of tall earth fill supporting construction, if including several foundation piles, several coupling beams, a dry column, several breast boards, several steel strand wires, several double-wall corrugated pipes, several concrete cast-in-situ bodies and several anchorages, the foundation pile is equidistantly evenly arranged along embankment side slope leg wire of slope, the stake top of the foundation pile sets the coupling beam, the pre-buried column in the coupling beam;Breast boards described in the first face of side one-piece casting of the column, the column is reserved with mounting hole with the breast boards when pouring, steel strand wires are installed on the mounting hole, one end of the steel strand wires is equipped with anchorage, the other end of the steel strand wires is provided with concrete cast-in-situ body, grooved hole is opened up at the plan-position of the concrete cast-in-situ body, the double-wall corrugated pipe is set in the slot.The advantageous effect of the utility model is that process is simple, easy for construction, easy to control the quality, economy is good and structure stress is clear and definite.

Description

A kind of tall earth fill supporting construction
Technical field
The utility model is related to supporting construction field, more particularly to a kind of tall earth fill supporting construction.
Background technology
In recent years, it with the economic development in NORTHWEST CHINA area, more and more cuts mountain and fills out ditch and make ground project and go into operation in succession It builds, while these projects bring opportunity for industry, also brings tall earth fill supporting, high roadbed the control technique of settlement after construction etc. Many the problem of urgently furtheing investigate.
In high roadbed engineering, because the engineering properties banketed is relatively poor, when being backfilled by multistage natural discharging slope integrate Slope ratio is not more than 1:2 (embankment side slope synthesis is in easy flights in 30 °), i.e. backfill height are bigger, land area shared by side slope is bigger; This point construction land natural resources shortage, need to cut mountain fill out ditch make ground, the area of an inch of land is an inch of gold it is often unacceptable.Therefore herein Class cut mountain fill out ditch make ground project in need to usually take tall earth fill suitable supporting measure, the tall earth fill gradient is made to the greatest extent may be used Can be big, to obtain more top of the slope construction land areas.At present, using more high roadbed support system have reinforced earth bulkhead, Anchor cable pile plate wall etc.;Wherein reinforced earth bulkhead is higher to ground requirement for bearing capacity, need to generally carry out basement process, another reinforced earth gear The quality of the constructions such as the stability of wall and layered rolling, laying rib tape is closely related, and the more difficult control in scene, reinforced earth is kept off in practice There is the phenomenon that metope bulging, deformation is larger in wall after building up relatively conventional;Anchor cable pile plate wall construction quality is more easy to ensure, but because filling out Soil layer stream line makes the system in tall earth fill support engineering using limited there are following shortcomings, such as bankets and anchor Adhesion strength between solid is relatively low, needs the anchoring body diameter and anchoring depth of bigger, easy collapse hole, need when drilling in fill stratum It is higher or can not meet anti-pulling capacity requirement in turn result in constructional difficulties, cost for pipe-following drilling;In addition, slip casting in fill stratum When also easy spillage and causing banket sedimentation, collapse.Therefore a kind of novel tall earth fill branch that can overcome disadvantages mentioned above is studied Watch box system has highly important practical value.
Therefore, design that a kind of process is simple, easy for construction, easy to control the quality, economy is good and the specific height of structure stress is filled out Square slope retaining structure is very necessary.
Utility model content
The utility model provides a kind of tall earth fill supporting construction, can solve mentioned above in the background art ask Topic.
The utility model provides a kind of tall earth fill supporting construction, if including several foundation piles, several coupling beams, A dry column, several breast boards, several steel strand wires, several double-wall corrugated pipes, several concrete cast-in-situ bodies and several A anchorage, the foundation pile are equally spaced along embankment side slope leg wire of slope, and the stake top of the foundation pile sets first of company Beam, the pre-buried column in the coupling beam;Breast boards described in the first face of side one-piece casting of column described in first row, it is described vertical Column is reserved with mounting hole when pouring with the breast boards, and steel strand wires, one end of the steel strand wires are equipped on the mounting hole Anchorage is installed, the other ends of the steel strand wires is provided with concrete cast-in-situ body, at the plan-position of the concrete cast-in-situ body Grooved hole is opened up, the double-wall corrugated pipe is set in the slot.
Preferably, the foundation pile is deposited reinforced concrete pile, section is circle.
Preferably, the stake diameter of the width of the coupling beam foundation pile is bigger, the coupling beam is the reinforcing bar of branch module and cast-in-situ Beams of concrete.
Preferably, the notch of one of perforation is opened in side to the pipe shaft of the double-wall corrugated pipe upward, the width of the notch >= 10cm is provided with several quincuncial through-holes on the remaining tube wall of double-wall corrugated pipe.
The beneficial effects of the utility model provide a kind of tall earth fill supporting construction, by setting multistage pile plate wall knot The scheme of horizontal cable is closed, slope retaining structure construction is made mutually to combine closely with both backfill constructions of banketing, it can be by high roadbed Side slope integrates slope control to 60 ° or so, can greatly reduce area occupied by tall earth fill, and entire support system has Stronger sidewise restraint ability is beneficial to reduce the deformation of tall earth fill top of the slope;Meanwhile with reference to backfill construction using primary pre- The anchor cable of pouring molding processed can solve traditional anchor cable technologies such as resistance to plucking Lack of support, anchor hole pore-forming difficulty in fill stratum and lack Point, and anchoring body diameter and anchoring depth size can be adjusted flexibly as needed so that supporting construction process is simple, construction party Just it is, easy to control the quality, economy is good, structure stress is clear and definite, suitable for tall earth fill support engineering, there is preferable economic benefit And practical value.
Description of the drawings
Fig. 1 is a kind of side structure schematic view of tall earth fill supporting construction provided by the utility model;
Fig. 2 is a kind of positive structure diagram of tall earth fill supporting construction provided by the utility model;
Fig. 3 is a kind of overlooking the structure diagram of tall earth fill supporting construction provided by the utility model;
Fig. 4 is a kind of schematic diagram using prefabricated anchor cable of tall earth fill supporting construction provided by the utility model.
Reference sign:1- first foundation stakes;The first coupling beams of 2-;The first columns of 3-;The first breast boards of 4-;The first steel of 5- Twisted wire;The first double-wall corrugated pipes of 6-;7- the first concrete cast-in-situ bodies;The first anchorages of 8-;The second foundation piles of 9-;The second coupling beams of 10-; The second columns of 11-;The second breast boards of 12-;The second steel strand wires of 13-;The second double-wall corrugated pipes of 14-;The second concrete cast-in-situs of 15- Body;The second anchorages of 16-;17- third foundation piles;18- third coupling beams;19- third columns;20- third breast boards;21- third steel Twisted wire;22- third double-wall corrugated pipes;23- third concrete cast-in-situ bodies;24- third anchorages;The 4th foundation piles of 25-;26- the 4th Coupling beam;The 4th columns of 27-;28- fourth gear soil plates;The 4th steel strand wires of 29-;The 4th double-wall corrugated pipes of 30-;The 4th concrete of 31- Cast-in-place body;The 4th anchorages of 32-;33- primitively upper threads;The first riding tracks of 34-;The second riding tracks of 35-;36- third riding tracks;37- top of the slope Ground line;38- sliding surfaces;39- bankets body;40- slope foot ground lines;41- casings;42- Grouting Pipes.
Specific embodiment
Below in conjunction with the accompanying drawings, a specific embodiment of the utility model is described in detail, it is to be understood that this The protection domain of utility model is not restricted by specific implementation.
A kind of tall earth fill supporting construction, if including several foundation piles, several coupling beams, a dry column, several Breast boards, several steel strand wires, several double-wall corrugated pipes, several concrete cast-in-situ bodies and several anchorages, the basis Stake is equally spaced along embankment side slope leg wire of slope, stake top first of coupling beam of setting of the foundation pile, pre- in the coupling beam Bury the column;Breast boards described in the first face of side one-piece casting of column described in first row, the column and the breast boards Mounting hole is reserved with when pouring, steel strand wires are installed, one end of the steel strand wires is equipped with anchorage, described on the mounting hole The other end of steel strand wires is provided with concrete cast-in-situ body, and grooved hole is opened up at the plan-position of the concrete cast-in-situ body, described The setting double-wall corrugated pipe in slot.
The foundation pile is deposited reinforced concrete pile, and section is circle.
The stake diameter of the width foundation pile of the coupling beam is bigger, and the coupling beam is the armored concrete of branch module and cast-in-situ Beam.
Preferably, the notch of one of perforation is opened in side to the pipe shaft of the double-wall corrugated pipe upward, the width of the notch >= 10cm is provided with several quincuncial through-holes on the remaining tube wall of double-wall corrugated pipe.
As shown in Figures 1 to 4, a kind of tall earth fill supporting construction that the utility model embodiment provides, including first Foundation pile 1, the second foundation pile 9,17 and the 4th foundation pile 25 of third foundation pile, the upper end of the first foundation stake 1 are provided with One coupling beam 2, the upper end of second foundation pile 9 are provided with the second coupling beam 10, and the upper end of the third foundation pile 17 is provided with Three coupling beams 18, the upper end of the 4th foundation pile 25 are provided with the 4th coupling beam 26, the first column are embedded in first coupling beam 2 3, the second column 11 is embedded in second coupling beam 10, is embedded with third column 19 in the third coupling beam 18, the described 4th The 4th column 27 is embedded in coupling beam 26, the side of first column 3 has poured the first breast boards 4, second column 11 Side poured the second breast boards 12, the side of the third column 19 has poured third breast boards 20, the 4th column 27 side has poured fourth gear soil plate 28, and the first mounting hole is installed on first column 3 and first breast boards 4, It is interspersed with the first steel strand wires 5 in first mounting hole, one end of first steel strand wires 5 is equipped with the first anchorage 8, and described The other end of one steel strand wires 5 is equipped with the first double-wall corrugated pipe 6, and first double-wall corrugated pipe 6, which is arranged on, to banket in body 39, institute It states and the first concrete cast-in-situ body 7 has been poured in the first double-wall corrugated pipe 6, on second column 11 and second breast boards 12 The second mounting hole is installed with, the second steel strand wires 13, one end peace of second steel strand wires 13 are interspersed in second mounting hole Equipped with the second anchorage 16, the other end of second steel strand wires 13 is equipped with the second double-wall corrugated pipe 14, the second double-walled wave Line pipe 14, which is arranged on, to banket in body 39, has poured the second concrete cast-in-situ body 15 in second double-wall corrugated pipe 14, and described Third mounting hole is installed on three columns 19 and the third breast boards 20, third steel strand wires are interspersed in the third mounting hole 21, one end of the third steel strand wires 21 is equipped with third anchorage 24, and the other end of the third steel strand wires 21 is equipped with third Double-wall corrugated pipe 22, the third double-wall corrugated pipe 22, which is arranged on, to banket in body 39, is poured in the third double-wall corrugated pipe 22 There is third concrete cast-in-situ body 23, the 4th mounting hole is installed on the 4th column 27 and the fourth gear soil plate 28, it is described It is interspersed with the 4th steel strand wires 29 in 4th mounting hole, one end of the 4th steel strand wires 29 is equipped with the 4th anchorage 32, and described The other end of four steel strand wires 29 is equipped with the 4th double-wall corrugated pipe 30, and the 4th double-wall corrugated pipe 30 is arranged on the body 39 that bankets It is interior, pour the 4th concrete cast-in-situ body 31 in the 4th double-wall corrugated pipe 30.
First steel strand wires 5, second steel strand wires 13, the third steel strand wires 21 and the 4th steel strand wires 29 On be respectively arranged with casing 41, Grouting Pipe 42 is provided in described sleeve pipe 41.
The first foundation stake 1, second foundation pile 9, the third foundation pile 17 and the 4th foundation pile 25 It is deposited reinforced concrete pile.
First coupling beam 2 is more than the width of the first foundation stake 1, and second coupling beam 10 is more than the described second basis The width of stake 9, the third coupling beam 18 are more than the width of the third foundation pile 17, and the 4th coupling beam 26 is more than the described 4th The width of foundation pile 25.
First coupling beam 2, second coupling beam 10, the third coupling beam 18 and the 4th coupling beam 26 are formwork Cast-in-place reinforced beam.
The low side of the body 39 that bankets is slope foot ground line 40, and the upper end of the body 39 that bankets is top of the slope ground line 37, institute The side for stating the body 39 that bankets is sliding surface 38, and the opposite side of the body 39 that bankets is primitively upper thread 33.
It is the first riding track 34 between the upper end of first breast boards 4 and the lower end of second column 11, described second For the second riding track 35 between the upper end of breast boards 12 and the lower end of the third column 19, the upper end of the third breast boards 20 with The lower end of 4th column 27 is third riding track 36, and the upper end of the 4th column 27 and the fourth gear soil plate 28 is and institute The top of the slope ground line 37 is stated to flush.
Operation principle:First along embankment side slope leg wire of slope foundation pile described in uniformly distributed first row at a certain distance, the base Plinth stake is deposited reinforced concrete pile, and section is circle, using mechanical equipment pore-forming;In basic stake top setting the The coupling beam together, the width of the beam is bigger compared with foundation pile stake diameter, to consider each foundation pile because of site operation pile position deviation, Each foundation pile is enable effectively to connect;The coupling beam is the reinforced beam of branch module and cast-in-situ, by design requirement position when pouring It puts the pre-buried column and indulges muscle;Column described in first row is set on first of coupling beam, and the reinforcing bar poured for formwork mixes Solidifying earthwork column, breast boards described in the first face and column described in first row one-piece casting simultaneously, in setting the pull rod position when pouring Place's reserving installation hole is put, so that later stage pull rod can pass freely through the column and the breast boards;
Layered rolling bankets after breast boards described in the first face, until the depth of fill is centainly high higher than first of steel strand wires After degree, suspend and banket and start anchor cable of constructing;It manually slots, is put into slot described at the concrete cast-in-situ body plan-position Double-wall corrugated pipe, the double-wall corrugated pipe caliber and length are respectively the same as anchorage cable design anchoring body diameter and anchoring depth;By institute Stating the pipe shaft of double-wall corrugated pipe, the notch of one of perforation is opened in side upward, and the width of notch is not less than 10cm;Described double By the quincunx a certain number of through-holes of setting on the remaining tube wall of wall bellows, so that the concrete cast-in-situ body pours when institute Stating double-wall corrugated pipe pipe inner concrete can flow to along through-hole outside pipe, fill the gap between the double-wall corrugated pipe and foundation trench;Anchor The rope body of rod is made of several steel strand wires, is occupied after the steel strand wires are taken with the measures such as derusting, anti-corrosion, free segment peripheral hardware casing In be placed in the double-wall corrugated pipe;After placing, the double-wall corrugated both ends are closed using template, then From the double-wall corrugated pipe incision to its interior penetration concrete;When concrete is flowed out along casing by anchorage cable stretching section one end, Temporary plugging is carried out using Fibre Bag or soil block etc., then continues penetration concrete into the double-wall corrugated pipe, until coagulation Native face is concordant with notch, stablizes;When treating that the intensity of the concrete cast-in-situ body is not less than the 80% of design value, first foundation trench is adopted It manually rams and is filled to the former depth of fill, you can continue the backfill of banketing of next step;Until being backfilled to column top surface described in first row After height, high-pressure slip-casting is carried out using neat slurry in the pre-buried Grouting Pipe, possibility is rolled to block to banket because of top Caused by free section of anchor cable and anchoring section crack;After slip casting, prestressed stretch-draw is carried out to anchor cable, and using institute in tensioning section It states anchorage to be locked, finally to anchor head preservative treatment, sealing off and covering anchorage.
Then, it corresponds at the depth of fill in column top surface described in first row, is moved back from column described in first row toward side slope direction Two meters of platform (setting riding track), again along embankment side slope leg wire of slope direction foundation pile described in uniformly distributed second row at a certain distance, Foundation pile described in second row intersects laying with column described in first row, and to prevent foundation pile construction described in second row when destroys first Arrange the steel strand wires after the column;It then proceedes to according to coupling beam, the described in method previously and sequence setting second Column described in two rows, breast boards described in the second face, steel strand wires, second concrete cast-in-situ body described in second etc. and layered rolling The earthwork is backfilled, until being backfilled to column apical side height described in second row;
And so on, when being provided with Slope with multi-step, above-mentioned steps are repeated, until being backfilled to last arranges the column Apical side height.
The tall earth fill supporting construction by setting the scheme of multistage pile plate wall combination horizontal cable, makes slope retaining Structure construction is mutually combined closely with both backfill constructions of banketing, and tall earth fill can be integrated to slope control to 60 ° or so, can Area occupied by tall earth fill is greatly reduced, and entire support system has stronger sidewise restraint ability, is beneficial to subtract The deformation of small tall earth fill top of the slope;Meanwhile tradition can be solved using the anchor cable of primary prefabricated pouring molding with reference to backfill construction Anchor cable technical disadvantages such as resistance to plucking Lack of support, anchor hole pore-forming difficulty in fill stratum, and anchoring can be adjusted flexibly as needed Body diameter and anchoring depth size so that supporting construction process is simple, easy for construction, easy to control the quality, economy is good, structure by Power is clear and definite, suitable for tall earth fill support engineering, has preferable economic benefit and practical value.
Disclosed above is only specific embodiment of the utility model, and still, the utility model embodiment is not limited to This, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.

Claims (4)

1. a kind of tall earth fill supporting construction, it is characterised in that:If it is stood including several foundation piles, several coupling beams, a do Column, several breast boards, several steel strand wires, several double-wall corrugated pipes, several concrete cast-in-situ bodies and several anchorages, The foundation pile is equally spaced along embankment side slope leg wire of slope, and the stake top of the foundation pile sets first of coupling beam, described The pre-buried column in coupling beam;Breast boards, the column and institute described in the first face of side one-piece casting of column described in first row It states breast boards and mounting hole is reserved with when pouring, steel strand wires are installed on the mounting hole, one end of the steel strand wires is equipped with Anchorage, the other end of the steel strand wires are provided with concrete cast-in-situ body, are offered at the plan-position of the concrete cast-in-situ body Slot, the interior setting double-wall corrugated pipe of the slot.
2. a kind of tall earth fill supporting construction as described in claim 1, which is characterized in that the foundation pile is reinforced concrete Native bored concrete pile, section are circle.
3. a kind of tall earth fill supporting construction as described in claim 1, which is characterized in that the width of the coupling beam is more described The stake diameter of foundation pile is bigger, and the coupling beam is the reinforced beam of branch module and cast-in-situ.
A kind of 4. tall earth fill supporting construction as described in claim 1, which is characterized in that the pipe shaft of the double-wall corrugated pipe The notch of one of perforation is opened in side upward, width >=10cm of the notch, is set on the remaining tube wall of double-wall corrugated pipe It is equipped with several quincuncial through-holes.
CN201721429530.3U 2017-10-31 2017-10-31 A kind of tall earth fill supporting construction Expired - Fee Related CN207512752U (en)

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Application Number Priority Date Filing Date Title
CN201721429530.3U CN207512752U (en) 2017-10-31 2017-10-31 A kind of tall earth fill supporting construction

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Application Number Priority Date Filing Date Title
CN201721429530.3U CN207512752U (en) 2017-10-31 2017-10-31 A kind of tall earth fill supporting construction

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736324A (en) * 2019-01-11 2019-05-10 河北中地志诚土木工程有限公司 A kind of construction method of the miniature piled anchor prop of ladder
CN111910660A (en) * 2020-09-17 2020-11-10 兰州理工大学 Ultrahigh slope supporting structure and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736324A (en) * 2019-01-11 2019-05-10 河北中地志诚土木工程有限公司 A kind of construction method of the miniature piled anchor prop of ladder
CN111910660A (en) * 2020-09-17 2020-11-10 兰州理工大学 Ultrahigh slope supporting structure and construction method thereof

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Granted publication date: 20180619

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