CN103334424A - Manufacturing and installation technology for steel rail and steel rail slide-resistant pile - Google Patents
Manufacturing and installation technology for steel rail and steel rail slide-resistant pile Download PDFInfo
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- CN103334424A CN103334424A CN2013102838663A CN201310283866A CN103334424A CN 103334424 A CN103334424 A CN 103334424A CN 2013102838663 A CN2013102838663 A CN 2013102838663A CN 201310283866 A CN201310283866 A CN 201310283866A CN 103334424 A CN103334424 A CN 103334424A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title abstract 5
- 238000009434 installation Methods 0.000 title 1
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 45
- 238000003466 welding Methods 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 9
- 238000007788 roughening Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 230000007480 spreading Effects 0.000 description 1
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Abstract
本发明公开了一种钢轨制安工艺及由此钢轨制安工艺形成的钢轨抗滑桩。钢轨制安工艺包括如下步骤：（1）钢轨制备前的准备；（2）钢轨加糙；（3）加糙后的纵向钢轨连接；（4）钢轨制安。钢轨抗滑桩包括在桩井内的钢轨笼和由混凝土浇筑的桩芯，钢轨笼由布置于抗滑桩受拉侧的多条纵向钢轨、抗滑桩受压侧及两侧面竖直布置的分布筋和沿水平方向布置的矩形箍筋组成；纵向钢轨表面上帮焊有多条加糙钢筋；纵向钢轨连接采用简单牢靠、经济适用的钢轨连接器。本发明能有效提高钢轨与混凝土握裹力及钢轨连接的可靠性，提供一种抗滑能力强、施工工艺简单、工程费用省及施工难度与普通抗滑桩相当的钢轨抗滑桩，其在大型滑坡治理中有着广阔的应用前景。
The invention discloses a rail manufacturing process and a rail anti-sliding pile formed by the rail manufacturing process. The rail manufacturing process includes the following steps: (1) preparation before rail preparation; (2) roughening of the rail; (3) longitudinal rail connection after roughening; (4) rail manufacturing. The rail anti-slide pile includes a rail cage in the pile well and a pile core made of concrete. The rail cage is composed of multiple longitudinal steel rails arranged on the tension side of the anti-slide pile, and vertically arranged on the compression side and two sides of the anti-slide pile. It is composed of steel bars and rectangular stirrups arranged in the horizontal direction; there are many roughened steel bars on the surface of the longitudinal rail; the longitudinal rail connection adopts simple, reliable, economical and applicable rail connectors. The invention can effectively improve the grip strength of the rail and concrete and the reliability of the rail connection, and provide a rail anti-slide pile with strong anti-sliding ability, simple construction technology, low engineering cost and construction difficulty comparable to ordinary anti-slide piles. It has a broad application prospect in the treatment of large landslides.
Description
Technical field
The present invention relates to be applied to the landslide control engineering in fields such as Hydraulic and Hydro-Power Engineering, railway engineering, highway engineering, refer to the rail system peace technology in a kind of rail antislide pile particularly, the invention still further relates to the rail antislide pile that forms according to this rail system peace technology.
Background technology
In landslide control, the steel concrete antislide pile is widely used, and becomes a kind of directly effective means.But because the restriction of reinforcement ratio and reinforcing bar tensile strength (generally adopt III level steel, design tensile strength is 360MPa), the concrete crushing strength of antislide pile is not fully exerted.Adopt the tensile strength height (＞500MPa), the rail of anti-bending strength good (i shaped cross section) substitutes antislide pile longitudinal stress reinforcing bar, can form that a kind of anti-slide performance is strong, engineering cost is economized, the rail steel reinforced concrete antislide pile of easy construction (being called for short the rail antislide pile), but there are following three problems in existing rail antislide pile in application:
(1) the rail surface is smooth, is similar to plain bar (plain bar generally is not used as steel bar stress as stirrup), and with the grip of concrete deficiency, rail and concrete may be thrown off behind the load-bearing, and " loosing core " phenomenon takes place.
(2) on railway, what splice bar mainly play a part is guiding, and two one steel rails clamp by splice bar and make it aim at connection, prevent the dislocation of rail end in case derailing.For adapt to rail because of variations in temperature cause flexible, at the rail web of the rail and splice bar eyelet greater than the diameter of bolt is arranged so that bolt has certain activity space in eyelet, also leave the gap at the rail joint place.Splice bar connects and is equivalent to " hinged ", and the rail in the rail antislide pile requires employing to be rigidly connected.
(3) the splice bar material is ductile iron or Q235(tensile strength 210MPa), intensity is low.In major landslip is administered, Thrust of Landslide is big, sliding surface is dark, the rail full-length is 12.5m or 25m, the length that is above standard rail palpus spreading, splice bar tensile strength, sectional area are all little than rail, and the rail junction is the weakness of mechanical strength, do not meet the strong requirements that connect such as rail in the antislide pile needs.
In sum, exist rail and grip of concrete deficiency, coupling stiffness not enough (being similar to hinged) and junction intensity low during the rail antislide pile is used at present, need a kind of simply firm, economic and practical construction technology of research, in order in landslide control, promote the rail antislide pile that anti-slide performance is strong, engineering cost is economized.
Summary of the invention
Rail and grip of concrete deficiency, rail coupling stiffness not enough (being similar to hinged) and junction intensity are low at existing in the present rail antislide pile application, and first purpose of the present invention provides a kind of simple and reliable, economic and practical rail system peace technology;
Another object of the present invention provides the rail antislide pile of rail system peace technology formation thus.
For achieving the above object, rail system peace technology provided by the present invention, it comprises the steps:
(1) preparation before the rail preparation: select, check relayable rail, get rid of and have crackle, crooked serious relayable rail that the relayable rail after the passed examination is removed surface contaminants, does processing of rust removing again;
(2) rail adds rough: with select relayable rail in the step (1) as the vertical rail in the rail antislide pile tension side, many rail of rail surperficial group weldering longitudinally add rough, and rail adds rough employing and has the high group flashing light weldering of energy saving, technology stability and joint quality reliability; Postwelding naturally cools to normal temperature under dry environment;
(3) the vertical rail that adds after rough connects: the vertical rail in the same straight line adopts bolt to connect, and bolton is carried out at twice, and for the first time fastening be just to twist, and for the second time fastening be whole stubborn; Vertically among the track bolt group all bolts first twist, twist eventually generally carry out laterally in the middle of the bolt group fastening;
(4) rail system peace: the flange of rail of rail should be met to collapsing slide rock body gliding direction, and is consistent with tread axis direction and the antislide pile long side direction vertical with flange of rail portion in the rail cross section; Rail hangs in after ground connects in the well, and horizontal rail is set in well, by the spacing of vertical rail and width cutting breach, rail is stuck in the breach of horizontal rail and fixes with the iron wire colligation.
In technique scheme, as preferred version, the welding rod in the described step (2) is the railway track welding rod special for special; Carry out bolton in the described step (3) at twice, described torque value of just twisting is 30%～50% of whole screwing torque value; Tighten the bolt standard axle power that is affixed to described end; The rail joint number (number of rail joint bond) that is configured in rail antislide pile " in the same horizontal section " tensile region is no more than 50% of rail sum; In the described step (4) in well every 5m～10m establish the horizontal rail of 15kg/m one.
The present invention also provides a kind of rail antislide pile that is formed by above-mentioned rail system peace technology, be included in the well the rail cage and by the stake core of concreting, the rectangle hoop that described rail cage is arranged by distribution bar and the horizontal direction of the vertical rail that is arranged in the antislide pile tension side, antislide pile compression-side and two sides is formed; Described vertical rail and distribution bar are arranged along borehole wall depth direction vertical spacing, described rectangle hoop arranges two limbs and the layout of overlapping, described rectangle hoop is connected to form an integral body with vertical rail and distribution bar respectively, and its special character is: add intrinsic many on described vertical rail surface and add rough reinforcing bar; Describedly add rough reinforcing bar and comprise that first adds rough reinforcing bar, second and add rough reinforcing bar and the 3rd and add rough reinforcing bar, described first adds rough reinforcing bar arranges along rail tread width, second adds rough reinforcing bar arranges that along the rail short transverse the 3rd adds rough reinforcing bar arranges along rail flange of rail width.
In technique scheme, as preferred version, describedly add rough reinforcing bar and fix in the vertical rail surface every 50cm of rail length direction～200cm place welding longitudinally; Described to add rough reinforcing bar length be 5cm～30cm, and adding rough bar diameter is 18mm～28mm.
Further, in the stake well, be provided with the horizontal rail that horizontal direction is arranged along the per 5～8m of its depth direction, be provided with by the spacing of vertical rail and width on the described horizontal rail vertical rail is stuck in breach in the horizontal rail.
Further, describedly add rough reinforcing bar and fixedly connected the welding of employing group flashing light with vertical rail; The described welding rod that adds rough welding is the railway track welding rod special for special.
Further, be provided with rail joint bond between the vertical rail that in the stake well borehole wall, connects from beginning to end along same straight line, described rail joint bond comprises two block length bar shaped joint fastenings, is provided with a plurality of eyelets along described joint fastening major axis, also includes connecting bolt and clamp nut; Described joint fastening comprises connection curved surface and plane, and the depression curved surface of described connection curved surface and the rail web of the rail fits tightly; Described plane flushes with rail tread outside tangent plane.
Further, also be provided with pad between described plane and the clamp nut.
Further, described joint fastening thickness is 2cm～10cm, and length is 50cm～120cm.
Further, described rail joint bond is high-strength steel.
The invention has the advantages that:
(1) rail of this rail antislide pile adds rough technology, simple, economic and practical, can effectively solve the problem of rail and grip of concrete deficiency, prevent that rail and concrete are thrown off behind the load-bearing, " loosing core " phenomenon takes place, and has solved the potential safety hazard that exists during rail antislide pile engineering is used.
(2) rail joint bond construction simple and fast, firm and reliable connection, and coupling stiffness is big, meets the rigidly connected requirement of rail in the rail antislide pile.
(3) rail joint bond is selected high-strength material for use, the joint mechanical strength be not less than rail itself, meet the strong requirements that connect such as rail antislide pile, solved the plane of weakness problem that the rail splice connection exists in the rail antislide pile, be conducive to applying of rail antislide pile.
(4) analogy reinforced steel bar strength ratio relation, the design tensile strength of U71Mn and U75V rail is desirable 586MPa and 653MPa respectively, pertinent literature and the tension test of field experiment chamber also show, even relayable rail, its tensile strength is also more than 500MPa, higher than reinforced steel bar strength, and price is cheap than reinforcing bar, good economy performance.
(5) railway transformation at present produces a large amount of relayable rails, it can be applied in the rail antislide pile, is conducive to the resource recycling, reduces resource consumption, and the protection environment is significant to " building resource-conserving, friendly environment society ".
Outstanding advantages such as (6) the rail antislide pile has that anti-slide performance is strong, construction technology is simple, engineering cost province and difficulty of construction are suitable with common antislide pile have broad application prospects in major landslip improvement.
Description of drawings
Fig. 1 is for rail joint bond of the present invention and add rough reinforcing bar lateral view.
Fig. 2 is that the A-A of Fig. 1 is to structural representation.
Fig. 3 is that the B-B of Fig. 1 is to structural representation.
Fig. 4 is rail antislide pile profile of the present invention.
Fig. 5 is rail antislide pile elevation of the present invention.
Among the figure: vertical rail 1, the rail flange of rail 11, rail tread 12, tread outside tangent plane 120, the rail web of the rail 13, depression curved surface 130, joint fastening 2 connects curved surface 21, plane 22, eyelet 3, connecting bolt 4, clamp nut 5, pad 6 adds rough reinforcing bar 7, the first and adds rough reinforcing bar 71, the second and add rough reinforcing bar 72, the 3rd adds rough reinforcing bar 73, distribution bar 8, rectangle hoop 9, horizontal rail 10, rail joint bond 11, " 3cm～5cm solid cement mortar " 12; The direction of arrow is " glide direction " among Fig. 4.
The specific embodiment
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but they do not constitute limitation of the invention, only do for example.Simultaneously by illustrating that advantage of the present invention will become clear more and understanding easily.
As Fig. 1～rail antislide pile shown in Figure 5, be included in the well the rail cage and by the stake core of concreting, the rectangle hoop 9 that the distribution bar 8 that the rail cage is vertically arranged by the vertical rail 1 that is arranged in the antislide pile tension side, antislide pile compression-side and two sides and along continuous straight runs are arranged is formed; Vertically rail 1 and distribution bar 8 are arranged many along borehole wall depth direction vertical spacing, rectangle hoop 9 arranges two limbs and the layout of overlapping, rectangle hoop 9 is connected to form an integral body with vertical rail 1 and distribution bar 8 respectively, vertically adds intrinsic many on rail 1 surface and adds rough reinforcing bar 7; Add rough reinforcing bar 7 and comprise that first adds rough reinforcing bar 71, second and add rough reinforcing bar 72 and the 3rd and add rough reinforcing bar 73, first adds rough reinforcing bar 71 arranges along rail tread 12 widths, second adds rough reinforcing bar 72 arranges that along rail 13 short transverses the 3rd adds rough reinforcing bar 73 arranges along the rail flange of rail 11 widths.
Adding rough reinforcing bar 7 fixes in the vertical rail 1 surface every 50cm of rail 1 length direction～200cm place welding longitudinally; Adding rough reinforcing bar 7 length is 5cm～30cm, and adding rough reinforcing bar 7 diameters is 18mm～28mm; In the stake well, be provided with the horizontal rail 10 that horizontal direction is arranged along the per 5～8m of its depth direction, laterally be provided with by the spacing of vertical rail 1 and width on the rail 10 vertical rail 1 is stuck in breach in the horizontal rail 10; Add rough reinforcing bar 7 and fixedly connected the welding of employing group flashing light with vertical rail 1; The welding rod that adds rough welding is the railway track welding rod special for special.
Be provided with rail joint bond 11 between the vertical rail 1 that in the stake well borehole wall, connects from beginning to end along same straight line, rail joint bond 11 comprises two block length bar shaped joint fastenings 2, be provided with a plurality of eyelets 3 along joint fastening 2 major axis, also include connecting bolt 4 and clamp nut 5; Joint fastening 2 comprises connection curved surface 21 and plane 22, and the depression curved surface 130 that connects curved surface 21 and the rail web of the rail 13 fits tightly; Plane 22 flushes with rail tread 12 outside tangent planes 120; Also be provided with pad 6 between plane 22 and the clamp nut 5; Joint fastening 2 thickness are 2cm～10cm, and length is 50cm～120cm; Rail joint bond 11 is high-strength steel.
Rail system peace technology in the rail antislide pile of the present invention comprises the steps:
(1) at first relayable rail is observed, existed crackle, crooked serious relayable rail to use, use rail flaw detector inspection in case of necessity, the relayable rail after the passed examination is removed surface contaminants, again through artificial wire brush and electric emery wheel processing of rust removing.
(2) rail adds rough
Along the reinforcing bar of the every 50cm in rail surface～weldering one segment length 5cm～30cm of 200cm group, bar diameter 18mm～28mm(sees Fig. 1 and Fig. 3).Add rough employing and have the high group flashing light weldering of energy saving, technology stability and joint quality reliability; Repeatedly compare railway track welding rod special for special welding quality the best through on-the-spot soldering test.Postwelding naturally cools to normal temperature under dry environment.Add and roughly must not cause damage to rail itself, add rail surface, rough back do not have crackle, obvious impression, cut, Touch trace, polishing hurt such as burn.
(3) rail connects
During erection bolt, bolt is answered freely and is penetrated, and disapproves by force and squeezes into, and it is suitable consistent to penetrate direction.The fastening of bolt carried out at twice, is for the first time just to twist, and just the torque value of twisting is 30%～50% of whole screwing torque value; For the second time fastening is to twist eventually, is fastened to bolt standard axle power (namely designing pretension).For making among the bolt group all bolts evenly stressed, just twist, twist eventually and all should carry out in certain sequence, generally should carry out in the middle of the bolt group fastening laterally.Just twisting spanner should control torque, twists eventually and should adopt special-purpose electric wrench, and whole screwing torque must be undertaken by designing requirement.Just twist the bolt that finishes, should carry out mark for affirmation.For anti-leak-stopping is twisted, the bolt that installed the same day should be twisted eventually finished the same day.Answer the torque value of periodic calibrating spanner, its deviation is not more than 5%.It should be noted that during construction that the rail joint number (number of rail joint bond) that is configured in rail antislide pile " in the same horizontal section " tensile region is no more than 50% of rail sum.
(4) rail system peace
The flange of rail of rail should be met to collapsing slide rock body gliding direction, in the rail cross section with tread axis direction and the antislide pile long side direction consistent (see figure 4) vertical with flange of rail portion.Rail utilizes the lifting tackle on the derrick to be equipped with long-armed crane after ground connects rail is hung in the well, because rail is long and heavy, location and fixing difficulty, during operation in well every 5m～10m establish the horizontal rail of 15kg/m one, by the width cutting breach of the spacing of vertical rail and the rail flange of rail, rail is stuck in the breach of horizontal rail and with the fixing (see figure 5) of iron wire colligation.
The rail antislide pile is except rail system peace, and other construction technology (comprising a well excavation, reinforcing bar system peace, concreting etc.) is with common antislide pile.
Other is prior art without the part that describes in detail.
Claims (10)
1. the rail system peace technology in the rail antislide pile, it comprises the steps:
(1) preparation before the rail preparation: select, check relayable rail, get rid of and have crackle, crooked serious relayable rail that the relayable rail after the passed examination is removed surface contaminants, does processing of rust removing again;
(2) rail adds rough: with select relayable rail in the step (1) as the vertical rail in the rail antislide pile tension side, many rail of rail surperficial group weldering longitudinally add rough, and rail adds rough employing and has the high group flashing light weldering of energy saving, technology stability and joint quality reliability; Postwelding naturally cools to normal temperature under dry environment;
(3) add between vertical rail after rough and connect: the vertical rail in the same straight line adopts bolt to connect, and bolton is carried out at twice, and for the first time fastening be just to twist, and for the second time fastening be whole stubborn; Vertically among the track bolt group all bolts first twist, twist eventually generally carry out laterally in the middle of the bolt group fastening;
(4) rail system peace: the flange of rail of rail should be met to collapsing slide rock body gliding direction, and is consistent with tread axis direction and the antislide pile long side direction vertical with flange of rail portion in the rail cross section; Rail hangs in after ground connects in the well, and horizontal rail is set in well, by the spacing of vertical rail and width cutting breach, rail is stuck in the breach of horizontal rail and fixes with the iron wire colligation.
2. the rail system peace technology in the rail antislide pile according to claim 1, it is characterized in that: the welding rod in the described step (2) is the railway track welding rod special for special; Carry out bolton in the described step (3) at twice, described torque value of just twisting is 30%～50% of whole screwing torque value; Twist described end, is fastened to bolt standard axle power; The number that is configured in the rail joint bond of rail antislide pile " in the same horizontal section " tensile region is no more than 50% of rail sum; In the described step (4) in well every 5m～10m establish the horizontal rail of 15kg/m one.
3. rail antislide pile as claimed in claim 1, be included in the well the rail cage and by the stake core of concreting, the distribution bar (8) that described rail cage is vertically arranged by many that are arranged in the antislide pile tension side vertical rail (1), antislide pile compression-side and two sides and the rectangle hoop (9) of along continuous straight runs layout are formed; Described vertical rail (1) and distribution bar (8) are arranged many at interval along stake well depth direction, described rectangle hoop (9) arranges two limbs and the layout of overlapping, described rectangle hoop (9) is connected to form an integral body with vertical rail (1) and distribution bar (8) respectively, it is characterized in that: add intrinsic many on described vertical rail (1) surface and add rough reinforcing bar (7); The described rough reinforcing bar (7) that adds comprises that first adds rough reinforcing bar (71), second and add rough reinforcing bar (72) and the 3rd and add rough reinforcing bar (73), described first adds rough reinforcing bar (71) arranges along rail tread (12) width, second adds rough reinforcing bar (72) arranges that along rail (13) short transverse the 3rd adds rough reinforcing bar (73) arranges along the rail flange of rail (11) width.
4. rail antislide pile according to claim 3 is characterized in that: the described rough reinforcing bar (7) that adds is fixed in vertical rail (1) the surface every 50cm of rail (1) length direction～200cm place welding longitudinally; Described to add rough reinforcing bar (7) length be 5cm～30cm, and adding rough reinforcing bar 7 diameters is 18mm～28mm.
5. according to claim 3 or 4 described rail antislide piles, it is characterized in that: be provided with the horizontal rail (10) that horizontal direction is arranged along the per 5～8m of its depth direction in the stake well, described horizontal rail (10) is gone up to be provided with by the spacing of vertical rail (1) and width a vertical rail (1) is stuck in the interior breach of horizontal rail (10).
6. according to claim 3 or 4 described rail antislide piles, it is characterized in that: the described rough reinforcing bar (7) that adds is fixedlyed connected the welding of employing group flashing light with vertical rail (1); The described welding rod that adds rough welding is the railway track welding rod special for special.
7. according to claim 3 or 4 described rail antislide piles, it is characterized in that: be provided with rail joint bond (11) between the vertical rail (1) that in the stake well borehole wall, connects from beginning to end along same straight line, described rail joint bond (11) comprises two block length bar shaped joint fastenings (2), be provided with a plurality of eyelets (3) along described joint fastening (2) major axis, also include connecting bolt (4) and clamp nut (5); Described joint fastening (2) comprises connection curved surface (21) and plane (22), and described connection curved surface (21) fits tightly with the depression curved surface (130) of the rail web of the rail (13); Described plane (22) flushes with rail tread (12) outside tangent plane (120).
8. rail antislide pile according to claim 7 is characterized in that: also be provided with pad (6) between described plane (22) and the clamp nut (5).
9. rail antislide pile according to claim 8, it is characterized in that: described joint fastening (2) thickness is 2cm～10cm, and length is 50cm～120cm.
10. rail antislide pile according to claim 9, it is characterized in that: described rail joint bond (11) is high-strength steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310283866.3A CN103334424B (en) | 2013-07-08 | 2013-07-08 | Rail fabrication and installation technology and rail antislide pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310283866.3A CN103334424B (en) | 2013-07-08 | 2013-07-08 | Rail fabrication and installation technology and rail antislide pile |
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| CN103334424A true CN103334424A (en) | 2013-10-02 |
| CN103334424B CN103334424B (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638598A (en) * | 2016-11-15 | 2017-05-10 | 湖北九重钢构有限公司 | Spiral detachable column pile |
| CN110688787A (en) * | 2019-08-28 | 2020-01-14 | 浙江工业大学 | Method for Determining the Force of Bolt Groups in the Long-Strip Foundation Subject to Local Transverse Moment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638598A (en) * | 2016-11-15 | 2017-05-10 | 湖北九重钢构有限公司 | Spiral detachable column pile |
| CN106638598B (en) * | 2016-11-15 | 2019-03-22 | 湖北九重钢构有限公司 | A kind of removable stanchion of spiral |
| CN110688787A (en) * | 2019-08-28 | 2020-01-14 | 浙江工业大学 | Method for Determining the Force of Bolt Groups in the Long-Strip Foundation Subject to Local Transverse Moment |
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