CN205775681U - A kind of roadbed peg board formula spells wide structure - Google Patents

A kind of roadbed peg board formula spells wide structure Download PDF

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Publication number
CN205775681U
CN205775681U CN201620476904.6U CN201620476904U CN205775681U CN 205775681 U CN205775681 U CN 205775681U CN 201620476904 U CN201620476904 U CN 201620476904U CN 205775681 U CN205775681 U CN 205775681U
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CN
China
Prior art keywords
pile
roadbed
stake
prestressed pipe
plate
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CN201620476904.6U
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Chinese (zh)
Inventor
黄华
柳欣
徐勇
宇汝平
单洁
王森
郑玲玲
常人飞
方刚
蒋李青
关峰
李长青
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安徽省交通建设有限责任公司
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Priority to CN201620476904.6U priority Critical patent/CN205775681U/en
Application granted granted Critical
Publication of CN205775681U publication Critical patent/CN205775681U/en

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Abstract

This utility model relates to a kind of roadbed peg board formula and spells wide structure, old road roadbed and water lap segment after being followed by being provided with between roadbed, described after water lap segment bottom and be provided with bed course, bed course has and draws hole and recharge body, described hole of drawing is recharged body end and is provided with steel reinforcement cage, and lower end is provided with high-pressure rotary jet grouting pile;Being followed by road section surface and have pile for prestressed pipe, described pile for prestressed pipe village week be provided with slurry solid, be provided with prefabricated expansion stake end at the bottom of stake, described prefabricated expansion stake end is provided around high-pressure slip-casting;Former bank protection excavation forms operation platform, and described operation platform returns with cellular concrete notch cuttype after construction completes and builds, and described cellular concrete is provided with earthing, and described earthing is provided with afforestation vegetation.Structure that this utility model relates to and construction method can spell construction speed and the construction quality of wide structure by guaranteed roadbed, it is ensured that the economy of construction, safety, simplification working procedure, economize the land resource, and have preferable economic technology benefit.

Description

A kind of roadbed peg board formula spells wide structure

Technical field

This utility model relates to a kind of roadbed stake and spells wide structure, particularly relates to roadbed peg board formula and spells wide structure.

Background technology

Along with economic development, rural economy was continuous progressive in recent years, and improving constantly of people's living standard makes People are more and more higher to the requirement of quality of life.Road belongs to one of basic facilities of people's go off daily, in order to Guarantee that people go on a journey is the most comfortable convenient.When many built roads are built, social economy's level, technical merit and construction are managed The restriction read, has quite a few the most not adapt to the volume of traffic and increases and the requirement of social development.Reorganization and expansion to existing road Just become the another solution outside newly-built road, road construction occupies increasingly consequence.Changing expansion It is frequently encountered roadbed in building and spells wide problem.

Roadbed uses the wide technology of spelling to be directly connected to the normal pass of whole subgrade settlement and road, from conventional Engineering Projects Understand, if new-old concrete bond spelling width position processes the bad differential settlement phenomenon that easilys lead to and occurs, and then produce longitudinal splitting Seam, to such an extent as to cause lot of unstable factor for transportation.Therefore to widen section lay time, new-old concrete bond to be strengthened The combination at position, the most just can increase the shear resistance of binding site so that the differential settlement that new-old concrete bond occurs obtains With stable, in order to avoid new subgrade settlement is corrupted to old road base.Roadbed needs to remove the gear of former roadbed bank protection in spelling wide work progress simultaneously Wall, this measure is likely to result in landslide, needs again new roadbed to be put slope after roadbed pile driving construction completes simultaneously, occupies a large amount of Land resource.Being left intact under the bed course of new and old roadbed stage disk bottom, single bed course is likely to result in pad in the past The sliding of layer.

In consideration of it, for new and old roadbed settlement issues, roadbed such as occupies cultivated land at the construction Difficulties, needs utility model one at present badly Planting speed of application fast, construction quality is good, and the roadbed peg board formula economized the land resource spells wide construction method.

Utility model content

For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of roadbed peg board formula to spell Wide structure.

Described a kind of roadbed peg board formula spells wide structure, including old road roadbed, former bank protection, former slope retaining wall and be followed by road Bed, it is characterised in that old road roadbed and water lap segment after being followed by being provided with between roadbed, described after water lap segment bottom and be provided with bed course, Bed course has and draws hole and recharge body, described in draw hole and recharge body lower end and be provided with high-pressure rotary jet grouting pile;It is followed by roadbed and has prestressed pipe Stake, is provided with slurry solid, is provided with prefabricated expansion stake end at the bottom of stake in described pile for prestressed pipe village week;On former bank protection, excavation is formed to construct and puts down Platform.

Described a kind of roadbed peg board formula spells wide structure, it is characterised in that is provided with Grouting Pipe inside prefabricated expansion stake end and connects Mouthful, Grouting Pipe connector is provided with at least two grout outlet, and grout outlet is equal with face, prefabricated expansion stake bottom, near the pipe of grout outlet Being fixed with spring on wall, spring has end plate, and end plate is positioned under grout outlet, and prefabricated expansion stake end bottom is provided with del Pile top, through Grouting Pipe connector toward slip casting in prefabricated expansion stake end, forms high-pressure slip-casting around prefabricated expansion stake end.

Described a kind of roadbed peg board formula spells wide structure, it is characterised in that bubble coagulation used after construction completes by operation platform Soil notch cuttype returns to be built, and described cellular concrete is provided with earthing, and earthing is provided with afforestation vegetation.

Described a kind of roadbed peg board formula spells wide structure, it is characterised in that pile for prestressed pipe uses sectionally smooth join structure, in advance Stress tubular pile body is provided with pile body projection or the pile body groove of 3 ~ 4 through pile bodies in road, and each pile for prestressed pipe pile tube stitching portion sets It is circular for having pre-buried connecting plate, pre-buried connecting plate, and side is provided with 3 ~ 4 groups of embedded boards, during two pile for prestressed pipe splicings, pre-buried Plate correspondence welding groove shape steel plate, grooved steel plate is fixed by connecting bolt.

Described a kind of roadbed peg board formula spells wide structure, it is characterised in that described in draw hole and recharge body upper end and be provided with steel reinforcement cage, Steel reinforcement cage top embeds bed course, and backfills with backfill material.

Described a kind of roadbed peg board formula spells wide structure, it is characterised in that pile for prestressed pipe top is welded to connect with bent cap, Pile for prestressed pipe stake top is provided with a headboard, is provided with 5 ~ 6 built-in fittings, bent cap below pile for prestressed pipe stake top at 10cm ~ 15cm Bottom is provided with pre-embedded steel slab at the bottom of the beam being welded to connect with stake headboard, and pre-embedded steel slab at the bottom of beam is provided with U-shaped embedded bar, at the bottom of bent cap Side is provided with the angle steel of circle, is provided with pre-embedded bolt bottom angle steel, and stake headboard welds the commissure formed with pre-embedded steel slab at the bottom of beam Installing separate type sizing punching block, separate type sizing punching block two ends are fixing with built-in fitting and pre-embedded bolt respectively to be connected, and separate type is fixed Shaped steel mould is provided with reserved grouting mouth and air vent, arranges wire gauze in air vent, and in reserved grouting mouth, jacking pours formation Rounding bench-type concrete cover.

Described a kind of roadbed peg board formula spells wide structure, it is characterised in that being followed by roadbed and be provided with beam slab, beam slab is provided with note Slurry hole, is symmetrical arranged twice pre-buried straight screw connection muscle in slip casting hole wall, be provided with in injected hole in insertion pile for prestressed pipe is U-shaped Reinforcing bar, pre-buried straight screw connection muscle connects U-shaped muscle crossbeam by straight screw sleeve, and pile for prestressed pipe stake top corresponding under beam slab is past Being provided with pre-buried filler ring at lower 1m ~ 2m, through pre-buried filler ring bottom U-shaped reinforcing bar, pre-buried filler ring is provided with embedded bar, embedded bar On supporting plate is set, pallet size be less than pile for prestressed pipe pile tube internal diameter, supporting plate top is provided with steel bar preassembling and boxes out.

Described roadbed peg board formula spells the construction method of wide structure, it is characterised in that comprise the following steps:

1) excavation construction platform: former slope retaining wall is motionless, excavation construction platform on former bank protection;

2) bed course processes: the bed course scope inner hole at plain concrete is constructed, and constructs and draw hole and recharge the earthen fill zone of bed course in Body, the soil layer district construction high-pressure rotary jet grouting pile under earthen fill zone, to draw hole and be implanted into steel reinforcement cage, steel reinforcement cage top embeds bed course, draws hole and adopts With the backfill material backfill such as mortar or pea gravel concreten;

3) pile for prestressed pipe splicing: connecting Grouting Pipe at the bottom of pile for prestressed pipe stake, pile for prestressed pipe two ends are provided with 2-section pipe stake The pre-buried connecting plate being welded to connect, pre-buried connecting plate side is provided with 3 ~ 4 groups of embedded boards, during two pile for prestressed pipe splicings, pre-buried Plate correspondence welding groove shape steel plate, grooved steel plate is fixed by connecting bolt;

4) location plectane is laid: location plectane is connected and composed by half setting circle plate of two locking devices, positions plectane Being provided with jack and lay platform, two and half setting circle sleeve-boards are entered pile for prestressed pipe, both are fixed by rotating locking apparatus, and two Individual half setting circle plate split is spelled, and is corrected the horizontal level of location plectane by level indicator 67;

5) lay jack: placement jack laid on platform by the jack at location plectane, jack end bonding with The arc torr of pile for prestressed pipe coupling;

6) implanting pile for prestressed pipe: lifting pile for prestressed pipe, grooved steel plate is placed on the plectane of location, the arc of jack end Shape torr is close to pile tube, and it is vertical that the number of degrees shown according to the inclinator being arranged on pile for prestressed pipe pile tube top utilize jack to correct pile tube Straight degree, after perpendicularity reaches requirement, jack is regained, and takes location plectane subsequently apart, completes the implantation of pile for prestressed pipe;

7) high-pressure slip-casting: pile for prestressed pipe is noted toward slip casting in Grouting Pipe, serosity through Grouting Pipe connector after dropping to absolute altitude Enter bottom prefabricated expansion stake business, form high-pressure slip-casting, take out Grouting Pipe subsequently;

8) bent cap and pile tube concatenation construction: pre-embedded steel slab at the bottom of bent cap and beam welds, in advance with the stake headboard of pile for prestressed pipe Installing on the built-in fitting on stress pipe pile top and shape punching block by separate type, angle steel bottom bent cap is inserted on separate type sizing punching block top Pre-embedded bolt in and fix, jacking subsequently pour formation rounding bench-type concrete cover;

9) beam slab and pile tube concatenation construction: put into U-shaped reinforcing bar in the pile tube of pile for prestressed pipe, by the U-shaped muscle in injected hole Horizontal bar and pre-buried straight screw connection muscle are connected and fixed on U-shaped reinforcing bar by straight screw sleeve, then slip casting;

10) operation platform fills: rear operation platform cellular concrete of having constructed fills, surface earthing, and plants green Change plant.

Described roadbed peg board formula spells the construction method of wide structure, it is characterised in that location plectane is two blocks of semicircular ring steel plates As half setting circle plate composition, plectane top, location is provided with level indicator, and described locking device includes two kinds:

1) rotary connection structure: each half setting circle plate one end is provided with screw rod, and screw rod connects connecting plate with holes, company with holes Fishplate bar is provided with chute, and half setting circle plate other end correspondence position is provided with the connection that the chute with connecting plate with holes is connected Post, during two and half setting circle plate splicings, rotates the connecting plate with holes of one of them half setting circle plate, by the chute of connecting plate with holes Buckle into connection post, complete splicing;

2) promote attachment structure: each half setting circle plate one end is provided with connection pin buckle, and the other end is provided with connecting pin bores, connect The connecting pin of pin buckle is provided with handle, during two and half setting circle plate splicings, promotes the handle of one of them half setting circle plate, will even Pin pushes in the connecting pin bores of another half setting circle plate, completes splicing.

Described roadbed peg board formula spells the construction method of wide structure, it is characterised in that jack, jack end is provided with thousand Jin top baffle, both sides are provided with lateral side baffle.

By using above-mentioned technology, compared with prior art, this utility model has following feature and a beneficial effect:

1) this utility model is by roadbed side slope scope inner hole high-pressure rotary jet grouting pile strengthening construction, and excavation construction platform is used Cellular concrete step pours recovery, then earth-covering greening, this form of construction work economy environmental protection again;

2), while this utility model is reinforced by bed course scope inner hole construction high-pressure rotary jet grouting pile, hole implanted reinforced bar cage is drawn Embed bed course, and use the backfill material backfills such as mortar, it may be mentioned that the stability in the large of embankment bed course, prevent bed course sliding;

3) pile tube junction of the present utility model is reserved outside connecting plate employing welding, and both sides, end have also reserved many groups even Fishplate bar welding groove shape steel plate, grooved Plate Welding makes pile tube piece more firm, and when transferring pile tube, this grooved steel plate can be shelved simultaneously On the plectane of location, implant pile tube time slot shape steel plate and may also operate as the effect of cutting soil;

4) reserving grouting port at the bottom of this utility model pipe pile, grouting port side respectively arranges spring, and spring has steel plate, Due to the gravity of cement mortar, spring elongation when under cement mortar fills, end plate moves down, and forms high pressure grouting at pile end;

5) this utility model precast beam concrete grouting hole wall pre-buried straight screw connection muscle is with stake top U-shaped muscle horizontal bar even Connect.This connected mode can fix U-shaped muscle.

6) at the bottom of this utility model stake headboard and the beam of bent cap, pre-embedded steel slab weld seam separate type sizing punching block jacking pours Rounding bench-type concrete cover, can prevent weld seam from reducing intensity owing to being exposed to for a long time in air;

7) construction method of the present utility model is simple, workable, is suitable to popularization and application.

Accompanying drawing explanation

Fig. 1 is that this utility model roadbed peg board formula spells wide structure and construction method schematic diagram;

Fig. 2 is to draw hole implanted reinforced bar cage schematic diagram under this utility model bed course;

Fig. 3 is that this utility model pile for prestressed pipe splices schematic diagram;

Fig. 4 is that this utility model positions plectane layout drawing;

Fig. 5 is that this utility model lifts pile for prestressed pipe figure;

Fig. 6 is that this utility model positions plectane connecting pin schematic diagram;

Fig. 7 is built-in slip casting pipe schematic diagram at the bottom of this utility model pile for prestressed pipe stake;

Fig. 8 is that this utility model bent cap is connected figure with pile tube;

Fig. 9 is that this utility model bent cap is connected top view with pile tube;

Figure 10 is pre-embedded steel slab at the bottom of this utility model bent cap beam and stake headboard commissure rounding bench-type concrete cover Pour schematic diagram;

Figure 11 is this utility model beam slab and pile for prestressed pipe connection diagram;

Figure 12 is this utility model embedded bar, supporting plate, pre-buried filler ring position view;

Figure 13 is this utility model pile for prestressed pipe through surface groove schematic diagram;

Figure 14 is this utility model pre-buried filler ring structure chart;

Figure 15 is this utility model pre-buried straight screw connection muscle and U-shaped reinforcing bar horizontal bar linear screw thread sleeve connecting structure figure;

Figure 16 is this utility model construction process figure.

In figure: the most relatively hard shell 2. Soft Soil Layer 3. former slope retaining wall of relatively hard soil layer 4. 5. bankets 6. old road roads Lap segment 11. former bank protection 12. pavement structure 13. guardrail 14. prestressed pipe is watered after bed 7. rendzinas 8. water stability detritus 10. Stake 15. slurry solid 16. high-pressure slip-casting 17. del pile top 18. prefabricated expansion stake end 19. high-pressure rotary jet grouting pile 20. draws Body 21. operation platform 22. bed course 23. steel reinforcement cage 24. cellular concrete 25. earthing 26. afforestation vegetation 27. is recharged in hole Cushion block 28. backfill material 29. fluid sealant 30. geotextiles 31. are followed by roadbed 32. end plate 33. beam slab 34.U steel bar 40. tops of 35.U pre-buried straight screw connection muscle 39. straight screw sleeve of type muscle horizontal bar 35 36. injected hole 37. grouting material 38. Protruding 46. pile bodies of end plate 41. pre-buried filler ring 45. pile body of high-elastic polymer pad 42. supporting plate 43. embedded bar 44. are recessed Pre-embedded steel slab 48.U type embedded bar 49. bent cap 50. rounding bench-type concrete cover 51. angle steel 52. at the bottom of groove 47. beam Pre-embedded bolt 53. built-in fitting 54. reserved grouting mouth 56. air vent 57. wire gauze 58. of separate type sizing punching block 55. Weld seam 59. pre-buried connecting plate 60. embedded board 61. connecting bolt 62. grooved steel plate 63. positions plectane 64. piece 65. Connecting plate 66. screw rod 67. level indicator 68. lateral side baffle 69. arc torr 70. with holes connects post 71. jack and lays flat Plate washer 73. jack 74. handle 75. connecting pin 76. pile for prestressed pipe top 77., platform 72. very heavy top inclinator 78. Grouting Pipe connector 79. spring.

Detailed description of the invention

Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is also It is not limited only to this:

This utility model present embodiment Construction Technique of High Pressure Revolving Spraying, concreting technique, water with concrete lift-up Building construction etc. and belong to routine techniques, be the most just not repeated, emphasis illustrates that this utility model relates to the embodiment party of structure Formula.

As represented in figures 1 through 14, a kind of roadbed peg board formula of the present utility model spells wide structure, including old road roadbed 6, former bank protection 11, former slope retaining wall 4 and be followed by roadbed 31, old road roadbed 6 and water lap segment 10 after being followed by being provided with between roadbed 31, described after water Lap segment 10 bottom is provided with bed course 22, and bed course 22 has and draws hole and recharge body 20, described in draw hole and recharge body 20 lower end and be provided with high pressure Rotary churning pile 19, draws hole and recharges body 20 upper end and be provided with steel reinforcement cage 23, and steel reinforcement cage 23 top embeds bed course 22, and expects 28 times with backfill Fill out;It is followed by roadbed 31 and has pile for prestressed pipe 14, be provided with slurry solid 15 described pile for prestressed pipe 14 village week, be provided with prefabricated at the bottom of stake Expand stake end 18;On former bank protection 11, excavation forms operation platform 21, and cellular concrete 24 used after construction completes by operation platform 21 Notch cuttype returns to be built, and described cellular concrete 24 is provided with earthing 25, and earthing 25 is provided with afforestation vegetation 26, prefabricated expansion stake end 18 Inside is provided with Grouting Pipe connector 78, and Grouting Pipe connector 78 is provided with at least two grout outlet, grout outlet and prefabricated expansion stake end 18 bottom surfaces are equal, are fixed with spring 79 on the tube wall of grout outlet, and spring 79 has end plate 32, and end plate 32 is positioned at pulp Under Kou, prefabricated expansion stake end 18 bottom is provided with del pile top 17, through Grouting Pipe connector 78 toward in prefabricated expansion stake end 18 Slip casting, forms high-pressure slip-casting 16 around prefabricated expansion stake end 18;

Being followed by roadbed 31 and be provided with beam slab 33, beam slab 33 is provided with injected hole 36, is symmetrical arranged twice pre-in injected hole 36 wall Burying straight screw connection muscle 38, injected hole 36 is provided with the U-shaped reinforcing bar 34 inserted in pile for prestressed pipe 14, pre-buried straight screw connection muscle 38 connect U-shaped muscle horizontal bar 35 by straight screw sleeve 39, and 33 times corresponding pile for prestressed pipe 14 of beam slab push up and down set at 1m ~ 2m Having pre-buried filler ring 44, through pre-buried filler ring 44 bottom U-shaped reinforcing bar 34, pre-buried filler ring 44 is provided with embedded bar 43, embedded bar Arranging supporting plate 42 on 43, supporting plate 42 is smaller in size than pile for prestressed pipe 14 pile tube internal diameter, and supporting plate 4 top is provided with steel bar preassembling and boxes out.

As in figure 2 it is shown, draw hole recharge the old road roadbed 6 times of body 20 side lay the most from the bottom up banket 5, rendzinas 7 And water stability detritus 8.Pile for prestressed pipe 14 of the present utility model uses sectionally smooth join structure, pile for prestressed pipe 14 pile body to be provided with 3 ~ 4 The pile body of the through pile body in road protruding 45 or pile body groove 46, each pile for prestressed pipe 14 pile tube stitching portion is provided with pre-buried connecting plate 59, pre-buried connecting plate 59 is circular, and side is provided with 3 ~ 4 groups of embedded boards 60, when two pile for prestressed pipe 14 splice, and embedded board 60 Corresponding welding groove shape steel plate 62, grooved steel plate 62 is fixed by connecting bolt 61.

Pile for prestressed pipe 14 top of the present utility model is welded to connect with bent cap 49, and 14 tops of pile for prestressed pipe are provided with stake top End plate 40, pile for prestressed pipe 14 pushes up and is provided with 5 ~ 6 built-in fittings 53 at following 10cm ~ 15cm, is provided with and stake top bottom bent cap 49 Pre-embedded steel slab 47 at the bottom of the beam that end plate 40 is welded to connect, pre-embedded steel slab 47 at the bottom of beam is provided with U-shaped embedded bar 48, and bent cap 49 bottom side sets Having the angle steel 51 of circle, be provided with pre-embedded bolt 52 bottom angle steel 51, stake headboard 40 welds formation with pre-embedded steel slab at the bottom of beam 47 Commissure installs separate type sizing punching block 54, and separate type sizing punching block 54 two ends are fixed with built-in fitting 53 and pre-embedded bolt 52 respectively Connecting, separate type sizing punching block 54 is provided with reserved grouting mouth 55 and air vent 56, arranges wire gauze 57 in air vent 56, toward pre- In staying grouting mouth 55, jacking pours formation rounding bench-type concrete cover 50.

As illustrated in figs. 1-16, roadbed peg board formula of the present utility model spells the construction method of wide structure, comprises the following steps:

1) excavation construction platform 21: first surveying setting-out, then construction machinery is marched into the arena, former slope retaining wall 4 is motionless, at former bank protection Excavation construction platform 21 on 11;

2) bed course 22 processes: the bed course 22 scope inner hole at plain concrete is constructed, and holes after stake machine is in place, boring The earthen fill zone of bed course 22 and soil layer district, in earthen fill zone, the soil layer district construction high-pressure rotary-spray recharging under body 20, earthen fill zone in hole is drawn in construction Stake 19, draws hole and is implanted into steel reinforcement cage 23, and steel reinforcement cage 23 top embeds bed course 22, draws hole and uses the backfill such as mortar or pea gravel concreten Material 28 backfill;

3) pile for prestressed pipe 14 splices: first make pile for prestressed pipe, acceptance(check) before marching into the arena, at the bottom of pile for prestressed pipe 14 even Connecing Grouting Pipe, pile for prestressed pipe 14 two ends are provided with the pre-buried connecting plate 59 that 2-section pipe stake is welded to connect, pre-buried connecting plate 59 side It is provided with 3 ~ 4 groups of embedded boards 60, when two pile for prestressed pipe 14 splice, the corresponding welding groove shape steel plate 62 of embedded board 60, grooved steel plate 62 are fixed by connecting bolt 61;

4) location plectane 63 is laid: location plectane 63 is connected and composed by half setting circle plate of two locking devices, location Plectane 63 is provided with jack and lays platform 71, and two and half setting circle sleeve-boards enter pile for prestressed pipe 14, and rotating locking apparatus will Both are fixing, and two and half setting circle plate splits obtain spelling 64, are corrected the horizontal level of location plectane 63 by level indicator 67;

5) jack 73 is laid: the jack at location plectane 63 lays placement jack 73, jack 73 on platform 71 The arc torr 69 that end bonding is mated with pile for prestressed pipe 14;

6) implanting pile for prestressed pipe 14: lifting pile for prestressed pipe 14, grooved steel plate 62 is placed on the plectane 63 of location, jack The arc torr 69 of 73 ends is close to pile tube, utilizes according to the number of degrees that the inclinator 77 being arranged on pile for prestressed pipe 14 pile tube top shows Pile tube perpendicularity corrected by jack 73, and after perpendicularity reaches requirement, jack 73 is regained, and takes location plectane 63 subsequently apart, completes pre- The implantation of stress pile tube 14;

7) high-pressure slip-casting 16: pile for prestressed pipe 14 connects toward slip casting in Grouting Pipe, serosity through Grouting Pipe after dropping to absolute altitude Mouth 78 injects bottom prefabricated expansion stake business 18, forms high-pressure slip-casting 16, takes out Grouting Pipe subsequently;

8) bent cap 49 and pile tube concatenation construction: pre-embedded steel slab 47 at the bottom of bent cap 49 and beam and the stake headboard of pile for prestressed pipe 14 40 welding, pile for prestressed pipe 14 top built-in fitting 53 on install with separate type shape punching block 54, separate type sizing punching block 54 on Portion is inserted in the pre-embedded bolt 52 of angle steel 51 bottom bent cap 49 and fixes, and jacking subsequently pours formation rounding bench-type concrete protective Layer 50, after rounding bench-type concrete cover 50 intensity reaches requirement, dismantling concrete template also carries out maintenance;

9) beam slab 33 and pile tube concatenation construction: hoisting prefabricated plate, puts into U-shaped reinforcing bar in the pile tube of pile for prestressed pipe 14 34, the U-shaped muscle horizontal bar 35 in injected hole 36 is connected and fixed to U with pre-buried straight screw connection muscle 38 by straight screw sleeve 39 On steel bar 34, then toward injected hole 36 slip casting, the more remaining precoated plate of lifting;

10) operation platform 21 fills: rear operation platform 21 cellular concrete 24 of having constructed fills, surface earthing 25, And plant green plants 26.

The bent cap 49 of step 8) of the present invention enters with pile tube concatenation construction with the beam slab 33 of pile tube concatenation construction, step 9) simultaneously OK.

Location plectane 63 used by this utility model is that two blocks of semicircular ring steel plates form as half setting circle plate, positions plectane 63 tops are provided with level indicator 67, and location plectane 63 is additionally provided with jack 73, and jack 73 end is provided with jack baffle plate 72, both sides Being provided with lateral side baffle 68, described locking device includes two kinds:

1) rotary connection structure: each half setting circle plate one end is provided with screw rod 66, and screw rod 66 connects connecting plate 65 with holes, Connecting plate 65 with holes is provided with chute, and half setting circle plate other end correspondence position is provided with the chute with connecting plate 65 with holes and coordinates even The connection post 70 connect, during two and half setting circle plate splicings, rotates the connecting plate with holes 65 of one of them half setting circle plate, by with holes The chute of connecting plate 65 buckles into connection post 70, completes splicing;

2) attachment structure is promoted: each half setting circle plate one end is provided with connection pin buckle 75, and the other end is provided with connecting pin bores, even The connecting pin of pin button 75 is provided with handle 74, during two and half setting circle plate splicings, promotes the handle of one of them half setting circle plate Hands 74, pushes connecting pin in the connecting pin bores of another half setting circle plate, completes splicing.

The width 26m of the old road roadbed 6 in this utility model embodiment, the width being followed by roadbed 31 is 23m, between the two Water lap segment 10 after being provided with 950mm, after water lap segment 10 bottom and be provided with the bed course 22 of plain concrete, bed course 22 thickness is 400mm, bed course 22 bottom is provided with 1 and draws hole and recharge body 20, draws hole and recharge a diameter of 120mm of body 20, draw hole and recharge body 20 end Being provided with steel reinforcement cage 23, a diameter of 90mm of steel reinforcement cage 23, it is 200mm that the height of bed course 22 is stretched out in steel reinforcement cage 23 upper end, and thin with C20 Stone concrete backfills;Draw hole to recharge body 20 lower end and be provided with the high-pressure rotary jet grouting pile 19 of diameter 60cm;It is followed by roadbed 31 to have The pile for prestressed pipe 14 of diameter 60, pile for prestressed pipe 14 uses C80 high-strength concrete to make, and fills out core and uses C50 microdilatancy coagulation Soil, is provided with and is poured into a mould, by C50 slightly expanded concrete, the slurry solid 15 obtained, be provided with prefabricated expansion stake at the bottom of stake in pile for prestressed pipe 14 village week End 18, a diameter of 100cm of prefabricated expansion stake end 18, prefabricated expansion stake end 18 bottom periphery is provided with high-pressure slip-casting 16;Former bank protection 11 Excavation formed operation platform 21, dig by bed course 22 outer end during excavation, under dig 4m, laterally excavate 8m, operation platform 21 is being executed Work is returned with cellular concrete notch cuttype after completing and is built, and cellular concrete 24 is provided with the earthing 25 that 5cm is thick, and on earthing 25, plantation is worked as The afforestation vegetation 26 on ground, its pile for prestressed pipe 14 pile body is provided with pile body protruding 45 or the pile body groove 46 of 3 ~ 4 through pile bodies in road,

As it is shown on figure 3, each pile tube in pile tube stitching portion is provided with pre-buried connecting plate 59, pre-buried connecting plate 59 is circular steel Plate, side is provided with 4 groups of built-in fittings 60, and built-in fitting 60 is size 4cm × 3cm steel plate, and pile tube piece is the pre-buried company of upper and lower pile tube Fishplate bar 59 welds, built-in fitting 60 welding groove shape steel plate 62, and grooved steel plate 62 is slotted a size of 1.5cm × 5cm, and grooved steel plate 62 is Q235 steel, apparent size 8cm × 13cm, two grooved steel plates 62 use M16 connecting bolt 16 to fix, all steel plate thickness of slab 4mm.

As shown in Fig. 4 ~ 5, location plectane 63 is two pieces of semicircular ring steel plate compositions, radius 60cm, and top is provided with level indicator 67, At piece 64, every limit is provided with screw rod 66, M12, and prominent length 3cm, screw rod 66 is provided with rotatable connecting plate with holes 65, with holes Connecting plate 65 is steel plate Q235, thickness of slab 4mm, size 10cm × 6cm, and connecting plate 65 opposite side with holes is provided with chute, and chute is arc Shape, groove width 1.2cm, location plectane 63 is provided with the jack that T-steel plate makes and lays platform 71, and size is can place jack Being as the criterion, the arc torr 69 of jack 73 end is 4mm curved plate.

As it is shown in fig. 7, be provided with expansion prefabricated pile end at the bottom of stake, being provided with 50mm Grouting Pipe connector inside stake end, Grouting Pipe is even Interface side is respectively provided with length 4cm spring, and spring 79 has the end plate 32 that 7cm × 7cm steel is made, and pile top 17 is del Pile top.

As shown in Fig. 8 ~ 10: 14 tops of pile for prestressed pipe are provided with an apical ring shape steel end plate, bent cap 49 lower prestress pile tube 14 Stake is pushed up following 15cm and is provided with 6 embedded bars everywhere, and bent cap is provided with pre-embedded steel slab 47 at the bottom of annular beam, on pre-embedded steel slab 47 at the bottom of beam Being provided with U-shaped embedded bar 48, the U-shaped embedded bar 48 a length of 750mm of straight section, bent cap 49 bottom side is provided with angle steel 51, angle steel 51 by The circular configuration that 80mm × 80mm angle steel is made, angle steel 51 is provided with the bolt of M20 pre-embedded bolt 52, at the bottom of stake headboard 40 and beam Pre-embedded steel slab 47 welds, and commissure installs separate type sizing punching block 54, and separate type sizing punching block 54 uses pre-embedded bolt with angle steel 51 52 fix, and are placed on built-in fitting 53 bottom separate type sizing punching block 54, and separate type sizing punching block 54 is provided with the pre-of a diameter of 5cm Staying grouting mouth 55 and the air vent 56 of a diameter of 3cm, arrange wire gauze 57 in air vent 56, jacking pours rounding bench-type concrete Protective layer 50.Bent cap 49 top and beam slab 33 junction are provided with high-elastic polymer pad,

As shown in Figure 11 ~ 15: beam slab 33 is provided with the injected hole 36 of 3cm, is symmetrical arranged twice pre-buried in injected hole 36 wall Straight screw connection muscle 38, the U-shaped long 1.4m of reinforcing bar 34, diameter 22mm, pre-buried straight screw connection muscle 38 is by straight screw sleeve 39 and U Type muscle horizontal bar 35 is fixed, and is provided with pre-buried filler ring 44, imbeds pre-buried torr when pile tube makes under 33 times pipe pile tops of beam slab at 1.2m Ring 44, pre-buried filler ring 44 is with holes, aperture 24mm, and U-shaped reinforcing bar 34 may pass through pre-buried filler ring 44, and pre-buried filler ring 44 is provided with pre-buried steel Muscle 43, a diameter of 12mm of embedded bar 43, embedded bar 43 arranges supporting plate 42, supporting plate 42 is smaller in size than pile tube internal diameter, top It is provided with steel bar preassembling to box out macropore diameter 24mm, hole diameter 14mm.

Claims (7)

1. roadbed peg board formula spells a wide structure, including old road roadbed (6), former bank protection (11), former slope retaining wall (4) and be followed by road Bed (31), it is characterised in that old road roadbed (6) and water lap segment (10) after being followed by being provided with between roadbed (31), described after water overlap joint Section (10) bottom is provided with bed course (22), and bed course (22) has and draws hole and recharge body (20), described in draw hole and recharge body (20) lower end and set There is high-pressure rotary jet grouting pile (19);It is followed by roadbed (31) and has pile for prestressed pipe (14), be provided with in described pile for prestressed pipe (14) village week Slurry solid (15), is provided with prefabricated expansion stake end (18) at the bottom of stake;The upper excavation of former bank protection (11) forms operation platform (21).
A kind of roadbed peg board formula the most according to claim 1 spells wide structure, it is characterised in that
Prefabricated expansion stake end (18) is internal is provided with Grouting Pipe connector (78), and Grouting Pipe connector (78) is provided with at least two pulp Mouthful, grout outlet is equal with prefabricated expansion stake end (18) bottom surface, is fixed with spring (79), spring on the tube wall of grout outlet (79) having end plate (32), end plate (32) is positioned under grout outlet, and prefabricated expansion stake end (18) bottom is provided with del pile top (17), through Grouting Pipe connector (78) toward slip casting in prefabricated expansion stake end (18), around prefabricated expansion stake end (18), height is formed Pressure grouting (16).
A kind of roadbed peg board formula the most according to claim 1 spells wide structure, it is characterised in that operation platform (21) is in construction Returning with cellular concrete (24) notch cuttype after completing and build, described cellular concrete (24) is provided with earthing (25), on earthing (25) It is provided with afforestation vegetation (26).
A kind of roadbed peg board formula the most according to claim 1 spells wide structure, it is characterised in that pile for prestressed pipe (14) uses Sectionally smooth join structure, pile for prestressed pipe (14) pile body is provided with pile body protruding (45) or the pile body groove (46) of 3 ~ 4 through pile bodies in road, Each pile for prestressed pipe (14) pile tube stitching portion is provided with pre-buried connecting plate (59), and pre-buried connecting plate (59) is circular, and side sets There are 3 ~ 4 groups of embedded boards (60), during two pile for prestressed pipe (14) splicings, the corresponding welding groove shape steel plate (62) of embedded board (60), groove Shape steel plate (62) is fixed by connecting bolt (61).
A kind of roadbed peg board formula the most according to claim 1 spells wide structure, it is characterised in that described in draw hole and recharge body (20) Upper end is provided with steel reinforcement cage (23), and steel reinforcement cage (23) top embeds bed course (22), and backfills with backfill material (28).
A kind of roadbed peg board formula the most according to claim 1 spells wide structure, it is characterised in that pile for prestressed pipe (14) top Being welded to connect with bent cap (49), pile for prestressed pipe (14) stake top is provided with a headboard (40), below pile for prestressed pipe (14) stake top Being provided with 5 ~ 6 built-in fittings (53) at 10cm ~ 15cm, bent cap (49) bottom is provided with at the bottom of the beam being welded to connect with stake headboard (40) pre- Burying steel plate (47), pre-embedded steel slab at the bottom of beam (47) is provided with U-shaped embedded bar (48), and bent cap (49) bottom side is provided with the angle steel of circle (51), angle steel (51) bottom is provided with pre-embedded bolt (52), and stake headboard (40) welds the weldering formed with pre-embedded steel slab at the bottom of beam (47) Install at seam separate type sizing punching block (54), separate type sizing punching block (54) two ends respectively with built-in fitting (53) and pre-embedded bolt (52) fixing connection, separate type sizing punching block (54) is provided with reserved grouting mouth (55) and air vent (56), and air vent (56) is interior Wire gauze (57) is set, pours formation rounding bench-type concrete cover (50) toward reserved grouting mouth (55) interior jacking.
A kind of roadbed peg board formula the most according to claim 1 spells wide structure, it is characterised in that is followed by roadbed (31) and is provided with Beam slab (33), beam slab (33) is provided with injected hole (36), is symmetrical arranged twice pre-buried straight screw connection muscle in injected hole (36) wall (38), being provided with the U-shaped reinforcing bar (34) inserted in pile for prestressed pipe (14) in injected hole (36), pre-buried straight screw connection muscle (38) is led to Crossing straight screw sleeve (39) and connect U-shaped muscle horizontal bar (35), down 1m ~ 2m is pushed up in pile for prestressed pipe (14) stake corresponding under beam slab (33) Place is provided with pre-buried filler ring (44), and U-shaped reinforcing bar (34) bottom is through pre-buried filler ring (44), and pre-buried filler ring (44) is provided with embedded bar (43), embedded bar (43) arranging supporting plate (42), supporting plate (42) is smaller in size than pile for prestressed pipe (14) pile tube internal diameter, supporting plate (42) top is provided with steel bar preassembling and boxes out.
CN201620476904.6U 2016-05-24 2016-05-24 A kind of roadbed peg board formula spells wide structure CN205775681U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937196A (en) * 2016-05-24 2016-09-14 安徽省交通建设有限责任公司 Subgrade pile-plank type widening structure and construction method thereof
CN106835879A (en) * 2017-01-23 2017-06-13 安徽省交通规划设计研究总院股份有限公司 Highway is laterally without support type peg board formula without earth roadbed and its construction method
CN106835880A (en) * 2017-01-23 2017-06-13 安徽省交通规划设计研究总院股份有限公司 Highway lateral support type peg board formula is without earth roadbed
CN107142806A (en) * 2017-07-05 2017-09-08 安徽省交通规划设计研究总院股份有限公司 A kind of new reorganization and expansion structure that stopping means is cut with scissors with side

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937196A (en) * 2016-05-24 2016-09-14 安徽省交通建设有限责任公司 Subgrade pile-plank type widening structure and construction method thereof
CN105937196B (en) * 2016-05-24 2017-12-22 安徽省交通建设股份有限公司 A kind of roadbed peg board formula spells wide structure and construction method
CN106835879A (en) * 2017-01-23 2017-06-13 安徽省交通规划设计研究总院股份有限公司 Highway is laterally without support type peg board formula without earth roadbed and its construction method
CN106835880A (en) * 2017-01-23 2017-06-13 安徽省交通规划设计研究总院股份有限公司 Highway lateral support type peg board formula is without earth roadbed
CN106835879B (en) * 2017-01-23 2019-07-05 安徽省交通规划设计研究总院股份有限公司 Highway is laterally without support type peg board formula without dirt road base and its construction method
CN107142806A (en) * 2017-07-05 2017-09-08 安徽省交通规划设计研究总院股份有限公司 A kind of new reorganization and expansion structure that stopping means is cut with scissors with side

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Patentee before: ANHUI GOURGEN TRAFFIC CONSTRUCTION CO., LTD.