CN207933826U - The fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed - Google Patents

The fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed Download PDF

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CN207933826U
CN207933826U CN201820153937.6U CN201820153937U CN207933826U CN 207933826 U CN207933826 U CN 207933826U CN 201820153937 U CN201820153937 U CN 201820153937U CN 207933826 U CN207933826 U CN 207933826U
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profile steel
roadbed
steel stake
panel
anchor pole
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张智超
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Geological Engineering Surveying Institute Of Fujian Province
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Geological Engineering Surveying Institute Of Fujian Province
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Abstract

The utility model is related to a kind of fore-telling shaped pile anchor structures of guardrail reinforcing integrated with roadbed, include the reinforced slope roadbed equipped with plural layer TGXG, the panel for the supporting and retaining system soil body, H profile steel stake, Guan Liang and anchor pole;The H profile steel stake is set vertically into good ground, the panel is fixed on before H profile steel stake, TGXG is connected with the panel by the first connecting elements, every layer of TGXG by the second connecting elements or is weldingly connected with the H profile steel stake, the Guan Liang is poured along road length direction, H profile steel stake on each section of face of the reinforced slope roadbed is combined together by the Guan Liang, and the anchor pole is tilted from the outer surface of panel squeezes into H profile steel stake and reinforced slope roadbed and deeply to the good ground.The utility model has many advantages, such as to achieve many things at one stroke, stress performance is good, consolidation effect is apparent, feasibility is high.

Description

The fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed
Technical field
The utility model is related to side slope and geological hazard control engineering field, more particularly to a kind of guardrail is integrated with roadbed The shape of BU piled anchor structure of reinforcing enhances monolithic stability specifically highway barrier and reinforced slope roadbed integration are reinforced Property, control the plastic deformation of reinforced slope roadbed.
Background technology
With the development of strategy to develop western regions, the highway construction emphasis in China also gradually it is big to relief, texture Make western mountainous areas transfer complicated, more than sloping area.However, for this kind of build in the highway reinforced slope of mountain area slope land band Roadbed, though side slope carry out bench excavation its backfill region certainly will if can have the whole trend to glide along side slope, return It bankets with the interface on primary side slope often as reinforced slope subgrade deformation, the plane of weakness of failure, be easy to cause highway reinforcement The overall collapse of steep slope subgrade.Therefore, it is necessary to take suitable reinforcing means, more effectively enhance mountain area slope land band reinforcement The overall stability of steep slope subgrade.
Meanwhile high-grade highway controls reinforced slope subgrade deformation more demanding, and reinforced slope roadbed is as one Kind compliant mechanism, excessive displacement is easy tod produce under the repeated action of vehicular load, causes road surface differential settlement, causes line Road irregularity seriously affects the operation of vehicle.Therefore, it is necessary to take suitable reinforcing means, it is steep more effectively to control reinforcement The plastic deformation of slope roadbed.
In addition, the topography and geomorphology of mountain area complexity often also results in, highway forthright is few, bend is more, security risk road outstanding Section is longer.Previous statistics shows in traffic accident of the incident in highway and common arterial highway, have respectively 30% and 45% is and then to be run off caused by road because vehicle smashes highway corrugated guardrail, therefore and cause especially big, again Big pernicious traffic accident is up to 62% or more of traffic accident total amount, especially on the outside of western mountainous areas, highway corrugated guardrail often It is exactly overhanging cliff, bottomless chasm, when having a car accident, colliding, guardrail easily causes vehicle to fall outstanding once damaging Precipice, car crash serious consequence, therefore, just to the crashworthiness of highway barrier, more stringent requirements are proposed for this, with more advantageous Ground ensures the safety of people's life's property.
For the design and construction Difficulties of mountain area road project, the utility model people of the application formerly discloses one《Mountain area Highway mini pile reinforced earth bulkhead systems technology is developed》Paper improves highway by " mini pile-reinforced earth bulkhead " structure Subgrade stability and guardrail crashworthiness, however, in the structure, used mini pile is cast-in-situ bored pile, is needed in roadbed After filling, constructed by the way of drill-pouring from road surface, there are problems during practice of construction:1, it is drilling In the process, drill bit can not only damage TGXG itself, and the rotation of drill bit can twitch full wafer TGXG(Especially surface layer The TGXG of earthing lighter in weight), cause the extensive damage of Roadbed Soil, it is necessary to do over again;2, the reinforcement road in the structure Base needs first to construct the construction for finishing, then carrying out mini pile, thus TGXG and mini pile can not connection relation, can not pass through The globality of structure promotes the stability of roadbed, and therefore, which still has overall stability not in practical applications This problem of foot;3, the structure is reinforced using concrete mini pile, thus needs to use rigid concrete guardrail, more stupid Weight, connection type also underaction;4, one of grade beam is arranged in the structure only at miniature stake top namely road surface, if reinforcement road Base is higher, then stability is poorer.
Therefore, for the defect of " mini pile-reinforced earth bulkhead " structure, this case application is proposed, using the H that can be set in advance Section-steel Piles and inclination anchor pole substitute drill-pouring mini pile and therefore bring significant advantageous effect, specific as follows:1, in advance H profile steel stake is set, then successively fills Reinforced subgrade again, destruction will not be generated to TGXG;2, reinforcement road is successively being filled While base, every layer of TGXG can be connected with H profile steel stake by iron hook and retaining ring by fastener, the entirety of enhancing structure Property;3, light corrugated guardrail may be used, riveted by fixing component and H profile steel stake;It 4, can be on road when Reinforced subgrade fills Increase one or multi-channel concrete breast beam at 1/2 ~ 2/3 height of base, subsequently can also set anchor pole at the waist rail, to Integrally-built stability is further enhanced, Reinforced subgrade is avoided to fill excessively high and unstability.Therefore, the utility model is opposite " micro- For type stake-reinforced earth bulkhead " structure, there is significant improvement.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of fore-telling shaped pile of guardrail reinforcing integrated with roadbed Anchor structure not only solves existing Reinforced subgrade deformation, destabilization problems, and the road surface subsidence subgrade deformation thus caused and asks Topic, and the problems such as existing highway guardrail is insecure, and crashworthiness is poor can also be solved.The utility model can realize that reduction reinforcement is steep Slope subgrade deformation and integrated the reinforcings purpose for enhancing highway barrier crashworthiness, with stress performance is good, consolidation effect obviously, The advantages that feasibility is high, suitable for slope land band subgrade deformation in mountain area is excessive, stability is insufficient and road conditions are complicated, traffic accident It takes place frequently, the highway engineering more demanding to highway barrier security performance.
The technical solution of the utility model is as follows:
The fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed, includes the reinforced slope equipped with plural layer TGXG Roadbed, the panel for the supporting and retaining system soil body, H profile steel stake, Guan Liang and anchor pole;Before the reinforced slope roadbed filling, by the H Section-steel Piles set vertically into ground and reach good ground, and the panel is fixed on before H profile steel stake, in the panel and original Have and fill the reinforced slope roadbed between slopes, during filling, every layer of TGXG passes through first with the panel and connect Connection member is connected, and every layer of TGXG by the second connecting elements or is weldingly connected with the H profile steel stake;The Guan Liang is along highway Length direction pours, and the H profile steel stake on each section of face of the reinforced slope roadbed is combined together by the Guan Liang, the anchor pole from The outer surface of panel tilts the H profile steel stake squeezed into panel, Guan Liang, Guan Liang, reinforced slope roadbed, deeply described in steadily Layer, the outer end of the anchor pole are fixed by anchorage, and the H profile steel stake and anchor pole form shape of BU ruggedized construction.
More preferably, the piled anchor structure further includes highway barrier and fixing component, is protected the highway by fixing component Column is fixed in the H profile steel stake.
More preferably, the piled anchor structure further includes waist rail, at 1/2 ~ 2/3 height of the reinforced slope roadbed, edge It road length direction and pours waist rail described in an at least row, the waist rail and the H profile steel on each section of face of the reinforced slope roadbed Stake is combined together, and is formed longitudinal framing composite structure, is increased the globality of structure.
More preferably, the anchor pole is also provided at the waist rail, the anchor pole tilts from the outer surface of panel and squeezes into panel, waist H profile steel stake, reinforced slope roadbed in beam, waist rail, deeply to the good ground, the outer end of the anchor pole is solid by anchorage It is fixed, to enhance the overall stability and non-deformability of reinforced slope roadbed.
More preferably, the anchor pole and the angle of the H profile steel stake are 10 ° ~ 30 °, and the H profile steel stake and anchor pole form and foretell word Shape structure, to preferably increase the stability of the reinforced slope roadbed.
More preferably, second connecting elements is iron hook and retaining ring, during the reinforced slope roadbed filling, every layer of soil Work grid and the delivery position of the H profile steel stake respectively weld the iron hook and retaining ring, will be native by the iron hook and retaining ring Work grid is connected with H profile steel stake, enhances the crashworthiness of H profile steel stake.
The utility model has the advantages that:
(1)Overall stability is high:H profile steel stake has certain anchorage depth in good ground, and roadbed can be inhibited whole Along the falling tendency of side slope, ensures that overlying burden obtains for delivery to ground deeper inside, increase skid resistance, improve reinforced slope road Base overall stability;
(2)Deformation control effect is good:It is supported by H profile steel stake pile body bending resistance and the synergistic effect of anchor pole tensile capacity The deformation of anti-reinforced slope roadbed backfill, significant effect;
(3)Guardrail crashworthiness is strong:Guardrail is connected with H profile steel stake by fixedly connected part, is equivalent to and considerably increases The anchorage depth of guardrail, and the Guan Liang and waist rail poured along road length direction then can be by collision load that guardrail is subject to from lotus Position is carried to disperse to transmit to both sides, meanwhile, in addition H profile steel stake is connected by fastener with each layer TGXG, it can be stronger Improve the crashworthiness of guardrail in ground;
(4)It is profitable on ecology:Reinforced slope roadbed can near the mountain be filled in mountain area slope land band, and can uprightly be built, greatly Amount is reduced and is occupied soil and good farmland, is particluarly suitable for the mountain area that slope is difficult and arable land is rare and is carried out road widening or new It builds;
(5)It is simple in structure, beautiful:The bore of H profile steel stake and anchor pole is all smaller, little on the influence of original structures, will not The normal use for interfering highway for in-service highway and is reinforced and is transformed and is also more applicable.
(6)Convenient construction, reasonable stress:The H profile steel pile driving construction of use is convenient, and Pile arrangement is various, has stronger anti- Curved scissors intensity, anchor pole tensile strength is larger, and the two organically combines and is formed by " shape of BU piled anchor ruggedized construction ", reasonable land productivity With the synergistic effect of the bending resistance and anchor pole tensile capacity of H profile steel stake, structure size and anchoring can be obviously reduced in reasonable stress Depth, thus it is especially suitable for all more complicated Subgrade in Mountain Area of ruggedized construction form and stress condition;
(7)It is skillfully constructed, gets twice the result with half the effort:The Guan Liang that is poured along road length direction and waist rail are by the H-type on cross sections Piling bar combines, and has not only enhanced the globality of reinforced slope road structure, but also can be used for transmitting the prestressing force of anchor pole, Bu Huizao At the idle and waste of material, has the effect of getting twice the result with half the effort, achieve many things at one stroke.
Description of the drawings
Fig. 1 is the side cross-sectional, view of the utility model piled anchor structure;
Fig. 2 is the partial enlarged view at A in Fig. 1;
Fig. 3 is the partial enlarged view at B in Fig. 1;
Fig. 4 is the front view of the utility model piled anchor structure;
Fig. 5 is the partial enlarged view at C in Fig. 4.
Reference numeral is expressed as in figure:
10, reinforced slope roadbed;11, TGXG;20, panel;30, H profile steel stake;40, Guan Liang;50, anchor pole;51, anchor Tool;60, highway barrier;61, fixing component;70, waist rail;80, the second connecting elements;81, iron hook;82, retaining ring;100, steadily Layer;200, original slopes.
Specific implementation mode
The utility model is described in detail in Fig. 1 to Fig. 5 and specific embodiment below in conjunction with the accompanying drawings.
Embodiment one:
It please refers to Fig.1 to Fig.3, a kind of fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed, including is equipped with plural layer The reinforced slope roadbed 10 of TGXG 11, the panel 20 for the supporting and retaining system soil body, H profile steel stake 30, Guan Liang 40 and anchor pole 50; Before the reinforced slope roadbed 10 fills, the H profile steel stake 30 is set into ground vertically and reaches good ground 100, it is described Panel 20 is fixed on before H profile steel stake 30, and the reinforced slope roadbed is filled between the panel 20 and original slopes 200 10, during filling, every layer of TGXG 11 is connected with the panel 20 by the first connecting elements, every layer of TGXG 11 It by the second connecting elements 80 or is weldingly connected with the H profile steel stake 30;The Guan Liang 40 is poured along road length direction, institute It states Guan Liang 40 to be combined together with the H profile steel stake 30 on described 10 each sections of faces of reinforced slope roadbed, the anchor pole 50 is from panel 20 Outer surface tilt and squeeze into H profile steel stake 30 in panel 20, Guan Liang 40, Guan Liang 40, reinforced slope roadbed 10, deeply to described steady Determine stratum 100, the outer end of the anchor pole 50 is fixed by anchorage 51, and the H profile steel stake 30 and anchor pole 50 form shape of BU and reinforce Structure.
The bore of the H profile steel stake 30 is smaller, is influenced on original structures when construction little, is not easy to interfere highway reinforcement steep The normal use of slope roadbed 10 is set into ground by the way of piling and gos deep into good ground 100, reinforces resisting reinforced slope road 10 backfill region of base along side slope overall collapse.If the reinforced slope roadbed 10 fills higher, to be set H profile steel stake 30 can divide more root beads to connect, and avoid the single H profile steel stake 30 set long, stability is difficult to ensure.The H profile steel stake 30 being vertically arranged Provide bending strength, therefore, it is possible to have the various shaped steel of the effect can equivalent substitute the utility model H profile steel stake 30, Belong to the scope of protection of the utility model, such as I Section-steel Piles, drum piling bar etc., the type selecting of shaped steel can be designed according to practice of construction Demand is selected, but the stress performance of H profile steel stake 30 is better than other shaped steel, it is therefore highly preferred that H profile steel stake 30, but not limited to this Shaped steel.
The anchor pole 50 and the angle of the H profile steel stake 30 are 10 ° ~ 30 °, and the H profile steel stake 30 and anchor pole 50 form and foretell word Shape structure, H profile steel stake 30 and anchor pole 50 run through reinforced slope roadbed 10 vertically and obliquely respectively, pass through 30 pile body of H profile steel stake Acting synergistically to resist the deformation of 10 backfill of reinforced slope roadbed for 50 tensile capacity of bending resistance and anchor pole, enhances roadbed Non-deformability, meanwhile, the inclination of the anchor pole 50 is set into good ground 100, the monolithic stability of enhancing reinforced slope roadbed 10 Property.
In the present embodiment, the globality of reinforcement system can also be enhanced, specifically by the way that waist rail 70 is arranged:Add described At 1/2 ~ 2/3 height of muscle steep slope subgrade 10, waist rail 70 described in an at least row, the waist rail 70 are poured along road length direction It is combined together with the H profile steel stake 30 on described 10 each sections of faces of reinforced slope roadbed.The anchor pole is also provided at the waist rail 70 50, the anchor pole 50 tilts that squeeze into H profile steel stake 30 in panel 20, waist rail 70, waist rail 70, reinforcement steep from the outer surface of panel 20 Slope roadbed 10, deeply to the good ground 100, the outer end of the anchor pole 50 is fixed by anchorage 51, forms shape of BU piled anchor Ruggedized construction, to further enhance the overall stability and non-deformability of reinforced slope roadbed 10.By the waist rail 70, Shape of BU piled anchor ruggedized construction on 10 each sections of faces of reinforced slope roadbed is combined by Guan Liang 40, is constituted longitudinal framing and is combined shape Formula enhances the globality of reinforcement system.In the present embodiment, concreting can be used in the Guan Liang 40 and waist rail 70, but Not limited to this embodiment.
The panel 20 generally uses precast concrete facade panel, is connect with TGXG 11 by the first connecting elements, rises To the effect of the supporting and retaining system soil body.
Emphasis is referring to Fig. 3, a kind of relatively simple embodiment of second connecting elements 80 is:Iron hook 81 and retaining ring 82, during the reinforced slope roadbed 10 fills, the delivery position of every layer of TGXG 11 and the H profile steel stake 30 is respectively The iron hook 81 and retaining ring 82 are welded, TGXG 11 is connected with H profile steel stake 30 with retaining ring 82 by the iron hook 81, is enhanced The crashworthiness of H profile steel stake 30.
By the piled anchor structure of the utility model can solve the deformation of reinforced slope roadbed 10, overall collapse and its draw The problems such as road surface subsidence of hair, therefore, the reinforced slope roadbed 10, can fill along original slopes 200, without to original slopes 200 carry out opening big digging or classification step excavation greatly, and can uprightly build by laying bricks or stones, are not necessarily to slope, largely reduce soil and occupy, are especially suitable for Road widening is carried out in the mountain area that slope is difficult and arable land is rare or is created, it is not only economical but also easy for construction.
Embodiment two:
The present embodiment is compared with the distinguishing feature of embodiment one:The present embodiment further includes highway barrier 60 and fixed structure The highway barrier 60 is fixed in the H profile steel stake 30 by part 61 by fixing component 61.
The highway barrier 60 is connected by even fixing component 61 with H profile steel stake, is equivalent to from mechanical behavior significantly The anchorage depth for increasing highway barrier 60, when highway barrier 60 is collided effect, vertical H profile steel stake 30 mainly provides Bending strength, and inclined anchor pole 50 mainly provides tensile strength, by the synergistic effect of this shape of BU piled anchor ruggedized construction, Meanwhile in addition H profile steel stake 30 is connected by iron hook 81 and retaining ring 82 with each layer TGXG 11, highway barrier is more effectively improved 60 crashworthiness, to integrated the adding realized enhancing 60 crashworthiness of highway barrier with reduce the deformation of reinforced slope roadbed 10 Gu purpose has many advantages, such as that stress performance is good, consolidation effect is apparent, feasibility is high.
The work progress of this implementation two is as follows:
Incorporated by reference to Fig. 1 to structure chart shown in fig. 5, include the following steps:
(1)Surveying and locating, using the form of piling, according to design anchorage depth by H profile steel stake 30 vertically set into Enter stable bottom 100;
(2)Panel 20 is installed in 30 front of the H profile steel stake, the soil body is backfilled for supporting and retaining system;
(3)It is laid with backfill and TGXG 11 along original slopes 200 of road, it will be native by the first connecting elements Work grid 11 is connected with panel 20, and TGXG 11 is connected with H profile steel stake 30 by the second connecting elements 80 or welding, grinds The pressure compacting soil body, carries out filling for reinforced slope roadbed 10;
(4)After the reinforced slope roadbed 10 fills and reaches Road Design absolute altitude, along road length direction by shortcut Face edge side pours Guan Liang 40, and the H profile steel stake 30 on described 10 each sections of faces of reinforced slope roadbed is combined;
(5)After Guan Liang 40 reaches borehole strength, using drill hole of drilling machine, according to design angle by anchor pole 50 obliquely from The outer surface of panel 20 tilts the H profile steel stake 30 squeezed into panel 20, Guan Liang 40, Guan Liang 40, reinforced slope roadbed 10, deeply extremely The good ground 100, the grouting of anchor pole 50 must not stop to fill halfway using from bottom hole disposable slurry injection technique upwards;The anchor pole 50 outer end is fixed by anchorage 51 so that anchor pole 50 collectively forms shape of BU piled anchor structure with vertical H profile steel stake 30.
Through the above steps(1)Extremely(5)After the construction for completing the reinforced slope roadbed 10, highway barrier installation is carried out 60, the step(5)Later, further include:
(6)Highway barrier 60 is installed, the highway barrier 60 is connected with H profile steel stake 30 by fixing component 61.From by The anchorage depth for significantly increasing highway barrier 60 is equivalent in power mechanism, when highway barrier 60 is collided effect, vertically H profile steel stake 30 mainly provide bending strength, and inclined anchor pole 50 mainly provide tensile strength, pass through this shape of BU piled anchor The synergistic effect of ruggedized construction, meanwhile, in addition H profile steel stake 30 is connected by iron hook 81 and retaining ring 82 with each layer TGXG 11, The crashworthiness for more effectively improving highway barrier 60, to realize --- enhancing 60 crashworthiness of highway barrier and reduction reinforcement The purpose that the integration that steep slope subgrade 10 deforms is reinforced, has many advantages, such as that stress performance is good, consolidation effect is apparent, feasibility is high.
It more preferably, can also be by pouring waist rail 70 and in waist rail 70 in the reinforced slope roadbed 10 during filling Place's setting anchor pole 50 enhances the overall stability and non-deformability of reinforced slope roadbed 10, and specific implementation mode is as follows:
The step(3)And step(4)Between further include step(31),
(31)At 1/2 ~ 2/3 height that the reinforced slope roadbed 10 fills to design height, along road length side To at least row's waist rail 70 is poured, the waist rail 70 is combined together with the H profile steel stake 30 on highway on each section, is formed longitudinal Framework combined structure increases the globality of structure.
Meanwhile the step(5)In in addition to squeezing into the anchor pole 50 in Guan Liang 40, further include that institute is squeezed on waist rail 70 Anchor pole 50 is stated, specifically:After waist rail 70 reaches borehole strength, using drill hole of drilling machine, anchor pole 50 is inclined according to the angle of design The H profile steel stake 30 squeezed into panel 20, waist rail 70, waist rail 70, reinforced slope roadbed 10 tiltedly are tilted from the outer surface of panel 20, Deeply to the good ground 100, the grouting of anchor pole 50 must not stop to fill halfway using from bottom hole disposable slurry injection technique upwards;Institute The outer end for stating anchor pole 50 is fixed by anchorage 51 so that 50 vertical H profile steel stake 30 of anchor pole collectively forms shape of BU piled anchor structure.
The construction method of the utility model piled anchor structure is described in detail with reference to practice of construction process:
The step(1)Form of construction work be specially:
a)Line setting --- determine 30 position of H profile steel stake, generally 10 edge of reinforced slope roadbed by design scheme, and Ding white ware ash point.The spacing of H profile steel stake 30 is 2 ~ 4 m, can be adjusted according to actual conditions:It is bad for geological conditions, add 10 stability of muscle steep slope subgrade is poor, and reinforced slope roadbed 10 needs the section or road conditions additionally reinforced complexity, traffic accident frequency The section of hair, guardrail safety coefficient require relatively high section, should suitably reduce a spacing;The preferable section of road conditions can then fit When increasing stake spacing;
b)The transport of H profile steel stake 30 is stacked --- semi-finished product stake transported to specific bit by the sequence of construction being determined in advance Set, primary piling should be completed with the shortest time with pile-driving and-pulling machine and determine best stowed location, with stack center to supporting position away from It is advisable from 10 ~ 20 m;
c)Porosity --- for the more closely knit hard ground that bankets, long-spiral drilling machine porosity can be used, drilling machine is according to white Ash point is constructed successively;
d)Piling --- H profile steel stake 30 is voluntarily sling with hydraulic vibration piling machine and carries out vibration pressure by the stake position discharged Enter, the degree control of jacked pile keeps stake upper surface in same absolute altitude in 0.5% length range, is higher by road surface about 1 m is flushed with follow-up guardrail height;
e)Pile extension --- if roadbed filling is higher, can carry out more H profile steel stakes 30 after roadbed is backfilled to certain altitude Welding adds the method for backboard to carry out pile extension, avoids single H profile steel long, stability is difficult to using electric welding full weld, and in both sides It ensures.
The step(2)Form of construction work be specially:
The basic top surface of cleaning, accurately marks face plate edge line.Panel must be gone through in a pre-installation, and first layer panel 20 is The baseline for controlling full wall is installed after being positioned with theodolite spirit level using hanging device, and diagonal brace can be used to fix, after The overlap joint that can carry out next deck panels 20, is inserted into reinforcing bar bolt, by 20 company of fastening of upper and lower deck panels.In instrumentation It must adjust at any time, ensure that panel 20 smoothes out.If roadbed filling is higher, panel 20 can piecemeal connection.
The step(3)Form of construction work be specially:
Paving for backfill be with roller compaction construction mode:The properties technical indicator of backfill should meet design requirement, Mode that is mechanical, being manually combined can be used to pave, roller compaction processes of banketing are similar to general subgrade working procedure, smooth pressure Real layer surface of banketing should be concordant with 11 bottom surface of TGXG that next step will be laid with;
The construction that paves of TGXG 11 is:Before being laid with TGXG 11, the edge that draw ring is reserved on panel 20 is coped with It is rebuild, is allowed to fairing, round and smooth, avoids leaving corner angle or mortar protrusion, in order to avoid damage TGXG 11.It waits banketing and reach When panel 20 reserves the height of draw ring, you can installation TGXG 11.It is also contemplated for according to design length, and by binding length It is interior, TGXG 11 is passed through from the reserved draw ring of panel 20, is aligned with the other end after fold-back, and pass through the first connecting elements It tightens to prevent from twitching, then TGXG 11 is pushed down with a small amount of filler, it is fixed to keep correct position;Every layer of TGXG 11 with Retaining ring 82 and iron hook 81 is respectively welded in the position of vertical H profile steel handing-over, and every layer of TGXG 11 and H profile steel stake 30 are passed through fastener It is connected, enhancing structure globality.
The step(31)Specific construction mode be:
Along road length direction casting concrete waist rail, waist rail at 1/2 ~ 2/3 height of reinforced slope roadbed 10 Depth of section and width be not less than 0.5 m.
The step(4)Specific construction mode be:
After reinforced slope roadbed 10 fills and reaches designed elevation, along road length direction in pavement edge casting concrete Guan Liang combines the H profile steel stake on each section of face of roadbed, the overall stability of enhancing structure.
The step(5)Specific construction mode be:
The form of construction work of the anchor pole 50 is:
a)Drilling --- technical staff first positions, operating personnel's roof-bolter adjust the angle according to H profile steel stake 30 in 10 ° ~ 30 ° of design angle, towards ground internal bore, passes through the edge of a wing of H profile steel stake 30, drilling is when boring from waist rail 70 and Guan Liang 40 Clear soil, gets into projected depth;
b)The placement of anchor pole 50 --- locating support is put, plastic cloth is used at free segment every 2 m by design length blanking It wraps, places and ensure that anchor pole 50 is placed in the middle, not small 25 mm of protective layer;
c)It is prepared by cement mortar --- and field technician tells somebody what one's real intentions are before stirring slurry, and detailed process is as follows:Add water to specified altitude Start change-can mixer → cement is added by specified quantity → and stir 3 ~ 5 min, if required plus outside the addition as required of outer aqua Add agent, 14 ~ 18 mesh screens must be installed when stirring slurry on stirring slurry tank and at blowing mouth, the cement mortar of reserve pit needs ceaselessly Agitation, prevents precipitation-hardening etc.;
d)Slip casting --- grouting pressure is in 1 ~ 3 MPa, the ratio of mud 0.5, and slurries are no more than cement initial set in reserve pit Time.First time slip casting is stifled sternly in the loss of anti-slurry, second of benefit slurry time bag of cement plug-hole aperture;
e)Mend slurry --- row is put into using the cement of proportion identical as slip casting and mends slurry, cement mortar ratio is controlled by technical staff Weight, mending slurry should complete before cement mortar initial set.
f)Anchorage 51 is set --- anchorage 51 is set at waist rail 70 and Guan Liang 40, anchor pole 50 and vertical H profile steel will be tilted Stake 30 is connected, and forms shape of BU piled anchor ruggedized construction.
A kind of fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed provided by the utility model, carries out H profile steel first The positioning of stake 30 is set, and then panel 20 and TGXG 11 is combined to fill reinforced slope roadbed 10, is then preced with by waist rail 70 Beam 40 combines each H profile steel stake 30, forms longitudinal combination structure, the globality of enhancing structure, finally in waist rail 70 and Guan Liang 40 Place tilts and squeezes into anchor pole 50, gos deep into good ground, collectively forms shape of BU piled anchor structure with H profile steel stake 30, greatly promote resistance Shape ability and overall stability.Highway barrier 60 is further combined, to realize enhancing guardrail crashworthiness and raising simultaneously The multipurposes such as subgrade stability.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are equally included in the patent within the scope of the utility model.

Claims (6)

1. the fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed, including be equipped with plural layer TGXG (11) reinforcement it is steep Slope roadbed (10) and panel (20) for the supporting and retaining system soil body, it is characterised in that:Further include H profile steel stake (30), Guan Liang (40) and Anchor pole (50);Before the reinforced slope roadbed (10) is filled, the H profile steel stake (30) is set into ground vertically and reaches steady Determine stratum (100), the panel (20) is fixed on before H profile steel stake (30), in the panel (20) and original slopes (200) Between fill the reinforced slope roadbed (10), during filling, every layer of TGXG (11) passes through with the panel (20) First connecting elements is connected, and every layer of TGXG (11) is connected with the H profile steel stake (30) by the second connecting elements (80);Institute It states Guan Liang (40) to pour along road length direction, the Guan Liang (40) is by the H-type on described each section of face of reinforced slope roadbed (10) Piling bar (30) is combined together, and the anchor pole (50) tilts from the outer surface of panel (20) squeezes into panel (20), Guan Liang (40), hat H profile steel stake (30), reinforced slope roadbed (10) in beam (40) are goed deep into the good ground (100), the anchor pole (50) Outer end is fixed by anchorage (51), and the H profile steel stake (30) and anchor pole (50) form shape of BU ruggedized construction.
2. the fore-telling shaped pile anchor structure of guardrail according to claim 1 reinforcing integrated with roadbed, it is characterised in that:Also wrap Highway barrier (60) and fixing component (61) are included, the highway barrier (60) is fixed on by the H-type by fixing component (61) On piling bar (30).
3. the fore-telling shaped pile anchor structure of guardrail according to claim 1 reinforcing integrated with roadbed, it is characterised in that:Also wrap Waist rail (70) is included, at 1/2 ~ 2/3 height of the reinforced slope roadbed (10), an at least row is poured along road length direction The waist rail (70), the waist rail (70) are incorporated in one with the H profile steel stake (30) on described each section of face of reinforced slope roadbed (10) It rises, forms longitudinal framing composite structure, increase the globality of structure.
4. the fore-telling shaped pile anchor structure of guardrail according to claim 3 reinforcing integrated with roadbed, it is characterised in that:It is described Be also provided with the anchor pole (50) at waist rail (70), the anchor pole (50) tilted from the outer surface of panel (20) squeeze into panel (20), H profile steel stake (30), reinforced slope roadbed (10) in waist rail (70), waist rail (70), deeply to the good ground (100), institute The outer end for stating anchor pole (50) is fixed by anchorage (51), to enhance the overall stability and resistance of reinforced slope roadbed (10) Shape ability.
5. the fore-telling shaped pile anchor structure of guardrail according to claim 1 or 4 reinforcing integrated with roadbed, it is characterised in that:Institute It is 10 ° ~ 30 ° to state anchor pole (50) and the angle of the H profile steel stake (30), and the H profile steel stake (30) and anchor pole (50) form shape of BU Structure, to preferably increase the stability of the reinforced slope roadbed (10).
6. the fore-telling shaped pile anchor structure of guardrail according to claim 1 reinforcing integrated with roadbed, it is characterised in that:It is described Second connecting elements (80) is iron hook (81) and retaining ring (82), during the reinforced slope roadbed (10) is filled, every layer of geotechnique Grid (11) and the delivery position of the H profile steel stake (30) respectively weld the iron hook (81) and retaining ring (82), by described TGXG (11) is connected by iron hook (81) with retaining ring (82) with H profile steel stake (30), the crashworthiness of enhancing H profile steel stake (30).
CN201820153937.6U 2018-01-30 2018-01-30 The fore-telling shaped pile anchor structure of guardrail reinforcing integrated with roadbed Active CN207933826U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108301273A (en) * 2018-01-30 2018-07-20 福建省地质工程勘察院 The fore-telling shaped pile anchor structure and its construction method of guardrail reinforcing integrated with roadbed
CN113529618A (en) * 2021-07-23 2021-10-22 中交路桥南方工程有限公司 Device for reinforcing strength of roadbed and preventing ramp from collision
CN114481734A (en) * 2022-02-24 2022-05-13 浙江交工金筑交通建设有限公司 Construction method of highway widened pile drainage type foam concrete light embankment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108301273A (en) * 2018-01-30 2018-07-20 福建省地质工程勘察院 The fore-telling shaped pile anchor structure and its construction method of guardrail reinforcing integrated with roadbed
CN113529618A (en) * 2021-07-23 2021-10-22 中交路桥南方工程有限公司 Device for reinforcing strength of roadbed and preventing ramp from collision
CN114481734A (en) * 2022-02-24 2022-05-13 浙江交工金筑交通建设有限公司 Construction method of highway widened pile drainage type foam concrete light embankment

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