CN104805851B - Side slope lattice beam expansion joint bending resistance square stiffening device - Google Patents
Side slope lattice beam expansion joint bending resistance square stiffening device Download PDFInfo
- Publication number
- CN104805851B CN104805851B CN201510232840.5A CN201510232840A CN104805851B CN 104805851 B CN104805851 B CN 104805851B CN 201510232840 A CN201510232840 A CN 201510232840A CN 104805851 B CN104805851 B CN 104805851B
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- CN
- China
- Prior art keywords
- expansion joint
- intensive aspect
- bending resistance
- anchor pole
- side slope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of side slope lattice beam expansion joint bending resistance square stiffening device, intensive aspect including rectangular shape and the anchor pole parallel across expansion joint, the two side at described expansion joint all forms the groove for clamping intensive aspect along longitudinal indent of lattice girder, and described intensive aspect is fixing with anchor pole to be connected；By anchor pole intensive aspect fixed and be provided with flexible gap, when making the deformation that lattice girder produces different directions under many factors (variations in temperature, time deformation, earthquake etc.) acts on, by on the anchor pole being transferred to external force be anchored of intensive aspect, and then act on the rock that portion in the body of slope more consolidates, ensure the function at expansion joint simultaneously, improve the stress performance of the different directions of lattice girder, the abilities such as the bending resistance square of raising lattice girder, ensure the intensity of structure in slope reinforcement, the intensity making lattice girder overall improves, it is to avoid the generation of unexpected major accident.
Description
Technical field
The present invention relates to slope reinforcement field, be specifically related to a kind of side slope lattice beam expansion joint bending resistance square stiffening device.
Background technology
Side slope generally refers to the rock mass with face of slope, owing to surface, slope tilts, at slope body self gravitation and
Under other External Force Acting, whole slope body has the trend slided from high to low, typically can be added by lattice
Solid mode side slope surface is reinforced；Lattice reinforcement technique is to utilize cemented rock, cast in place reinforced bar coagulation
Soil or precast prestressed concrete carry out side slope surface protection, and utilize the one that anchor pole or anchor cable fixed
Reinforcing side slope technique, the Main Function of lattice is by the residual pushing force of Slope body or soil pressure, rock pressure
Power distributes to the anchor pole at lattice node or anchor cable, then passes to good ground by anchor cable, so that limit
Slope, slope body is in steady statue under the effect of the anchor force provided by anchor pole or anchor cable, and in prior art,
The every each 10-25 rice width of lattice needs to arrange expansion joint, and (temperature becomes at many factors to be used for adapting to lattice girder
Change, time deformation, load action, uneven settlement of foundation and earthquake) it is deformed under effect, and stretching
Contracting seam clogs Colophonium hemp cut or Colophonium plank；And such structure makes lattice girder bending resistance at expansion joint
Square ability is bad and intensity is the highest, is unfavorable for that lattice improves the firm of slope surface as entirety.
Therefore, for solving problem above, need a kind of side slope lattice beam expansion joint bending resistance square stiffening device,
Ensure the function at expansion joint simultaneously, improve the stress performance of the different directions of lattice girder, improve the anti-of lattice girder
The abilities such as moment of flexure, it is ensured that the intensity of structure in slope reinforcement, the intensity making lattice girder overall improves, it is to avoid meaning
The generation of outer major accident.
Summary of the invention
In view of this, it is an object of the invention to overcome defect of the prior art, it is provided that a kind of side slope lattice beam
Expansion joint bending resistance square stiffening device, is ensureing the function at expansion joint simultaneously, is improving the different directions of lattice girder
Stress performance, improves the ability such as bending resistance square of lattice girder, it is ensured that the intensity of structure in slope reinforcement, makes lattice
The intensity raising that beam is overall, it is to avoid the generation of unexpected major accident.
The side slope lattice beam expansion joint bending resistance square stiffening device of the present invention, including rectangular shape intensive aspect and
Parallel across expansion joint anchor pole, the two side at described expansion joint all along lattice girder longitudinal indent formed use
In the groove of clamping intensive aspect, described intensive aspect is fixed with anchor pole and is connected and the groove of end and groove of intensive aspect
Flexible gap it is provided with and between anchor pole and two side, expansion joint at the end；Described intensive aspect is two pieces and edge
Expansion joint depth direction is set up in parallel, and also includes being arranged at intensive aspect surface for reducing lattice girder longitudinal resistance
Drag reduction mechanism and the connection machine for increasing bonding strength between intensive aspect that is arranged between two intensive aspects
Structure.
Further, described drag reduction mechanism includes the drag reduction part being arranged at intensive aspect surface, and described drag reduction part is circle
Cylindricality and radially can the rolling bar of deformation, described rolling bar is that multiple and along intensive aspect longitudinal direction is set up in parallel.
Further, described intensive aspect surface is horizontally arranged with cross section is arc for installing the logical of rolling bar
Groove, the opening's edge width of described groove and the degree of depth are respectively less than the diameter rolling sliver transvers section.
Further, described intensive aspect at least includes the outer reinforcement arranged along expansion joint depth direction ecto-entad
With interior intensive aspect, described attachment structure include the external compression set being slidably connected with anchor pole, interior clamping sleeve and for
External compression set and interior clamping sleeve are pressed in outer reinforcement respectively and interior intensive aspect drives assembly, described external compression
Overlap parallel with outer reinforcement and interior intensive aspect surface respectively with the inner face of interior clamping sleeve.
Further, described driving assembly includes drive sleeve, outer driving nut, interior driving nut and locking screw
Female；Described drive sleeve is slidably connected with anchor pole and inwall is connected with the outer wall thread of interior driving nut, described
Interior driving nut is rotated by drive sleeve and drives and press on interior clamping sleeve, and described outer driving nut overcoat is in driving
Moving sleeve is also threadeded with drive sleeve, rotates and outer drives nut to make outer driving nut press on to be coated at and drive
The external compression set of moving sleeve, described locking nut is connected with spiral thread on anchor bolt and to drive sleeve axial locking.
Further, described drive sleeve outer end extends radially inwardly formation annular fixed seat, and described annular is solid
Reservation is slidably connected with anchor pole.
Further, also include sealing the sealing strip cutting off expansion joint, described sealing strip along expansion joint depth direction
Centre is provided with via and is coated at external compression set, and the part expansion joint outside described sealing strip pours Colophonium fiber crops
Muscle.
Further, arrange to be fixedly installed a pair at the opening's edge at described lattice girder outer wall expansion joint and fix seat, institute
Stating fixing seat and be respectively arranged at the both sides at expansion joint, described fixing seat is vertically arranged with through hole along lattice girder,
It is provided with in described through hole and fixes the bending resistance bar that seat is in axial sliding connection.
Further, described sealing strip is elastic rubber strip.
Further, described through hole and bending resistance bar are multiple and equal being laterally set up in parallel along lattice girder.
The invention has the beneficial effects as follows: the side slope lattice beam expansion joint bending resistance square stiffening device of the present invention, pass through
Intensive aspect is fixed and is provided with flexible gap by anchor pole so that lattice girder is in many factors (variations in temperature, slowly
Become deformation, earthquake etc.) deformation of effect lower generation different directions time, external force is transferred to by intensive aspect
On the anchor pole anchored, and then act on the rock that portion in the body of slope more consolidates, it is ensured that the function at expansion joint
Meanwhile, the abilities such as the stress performance of the different directions of lattice girder, the bending resistance square of raising lattice girder are improved, it is ensured that
The intensity of structure in slope reinforcement, the intensity making lattice girder overall improves, it is to avoid the generation of unexpected major accident.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of drag reduction mechanism；
Fig. 3 is the top view of Fig. 1.
Detailed description of the invention
Fig. 1 is the structural representation of the present invention, and Fig. 2 is the structural representation of drag reduction mechanism, and Fig. 3 is Fig. 1
Top view, as it can be seen, the side slope lattice beam expansion joint bending resistance square stiffening device in the present embodiment includes long
The intensive aspect of cube shape and the anchor pole 2 parallel across expansion joint 9, owing to anchor pole 2 need to be anchored in the body of slope
Self-sustaining rock so that anchor pole 2 is in domatic not necessarily vertical, so expansion joint 9 parallel can be sandwiched in anchor pole 2 outward；
The two side at described expansion joint 9 all forms the groove 3 for clamping intensive aspect along longitudinal indent of lattice girder,
The length direction of described intensive aspect is parallel longitudinal with lattice girder, and described intensive aspect is fixing with anchor pole 2 is connected (anchor
Bar 2 is fixed through intensive aspect available locking nut 54) and the bottom land of the end of intensive aspect and groove 3
And it is provided with flexible gap between anchor pole 2 and two side, expansion joint 9；Being formed as of described groove 3 is being executed
The work initial stage coordinates conformal the pouring of intensive aspect to form；Described intensive aspect is two pieces and along expansion joint 9 depth direction also
Row arrange (expansion joint 9 depth direction represents vertical lattice depth of beam or thickness direction), also include being arranged at
Intensive aspect surface is for the drag reduction mechanism reducing lattice girder longitudinal resistance and the use being arranged between two intensive aspects
In increasing the bindiny mechanism of bonding strength between intensive aspect；By anchor pole 2 intensive aspect fixed and be provided with and stretch
Contracting gap, is ensureing the function at expansion joint 9 simultaneously, is improving the stress performance of the different directions of lattice girder, carry
The abilities such as the bending resistance square of high lattice girder, it is ensured that the intensity of structure in slope reinforcement, make the intensity that lattice girder is overall
Improve, it is to avoid the generation of unexpected major accident.
2., in the present embodiment, described drag reduction mechanism includes the drag reduction part being arranged at intensive aspect surface, described drag reduction
Part be cylindrical and radially can the rolling bar 31 of deformation, described rolling bar 31 be multiple and longitudinal direction along intensive aspect the most also
Row are arranged.；The surface of described intensive aspect refers to the contact surface of intensive aspect and the interior outside of groove 3, inwardly represents
Point to portion in the body of slope, by arranging drag reduction part in the interior outside of intensive aspect for reducing the expansion joint 9 of lattice girder
Longitudinal stretching or resistance to compression pression, it is ensured that at the expansion joint 9 of lattice girder be no matter inflection the most bowed out,
All there is less resistance to ensure the smoothness of the changes of slit length at expansion joint 9, it is ensured that the surface of contact surface is complete
Whole, and roll bar 31 and use high rigidity and smooth surface rubber strip, the radial direction deformation of rolling bar 31 can increase and connects
Contacting surface is amassed, and effectively reduces the footprint pressure of groove 3 inwall, it is ensured that the inwall pattern of groove 3 is complete and intensity.
In 3 the present embodiment, it is arc for installing rolling that described intensive aspect surface is horizontally arranged with cross section
The groove 32 of bar 31, the opening's edge width of described groove 32 and the degree of depth are respectively less than the diameter rolling bar 31 cross section,
Use groove 32 spacing rolling bar 31, it is to avoid rolling bar 31 slides and causes bite, and can be by by groove 32
Rolling bar 31 is arranged and intensive aspect surface uniformly, it is ensured that intensive aspect uniform force, groove 32 simple in construction,
Handling ease, installs rolling bar 31 fast and easy.
In 4 the present embodiment, described intensive aspect at least includes along the setting of expansion joint 9 depth direction ecto-entad
Outer reinforcement 1a and interior intensive aspect 1b, described attachment structure includes the external compression set being slidably connected with anchor pole 2
41, interior clamping sleeve 42 and for by external compression set 41 and interior clamping sleeve 42 be pressed in outer reinforcement 1a respectively
Driving assembly with interior intensive aspect 1b, the inner face of described external compression set 41 and interior clamping sleeve 42 is respectively with additional
Strong body 1a is parallel with interior intensive aspect 1b surface；By driving assembly to act on external compression set 41 and interior clamping sleeve
42 so that anchor pole 2 and outer reinforcement 1a and interior intensive aspect 1b as a mass action in lattice girder；Keep away
Exempt from the defect being welded and fixed, it is ensured that connect steady firm between intensive aspect, strengthen the structural strength at expansion joint 9,
Ensure that lattice is hardly damaged.
In 5 the present embodiment, described driving assembly includes drive sleeve 51, outer driving nut 52, interior driving spiral shell
Mother 53 and locking nut 54；Described drive sleeve 51 and anchor pole 2 are slidably connected and inwall and interior driving nut
The outer wall thread of 53 connects, and described interior driving nut 53 is rotated driving by drive sleeve 51 and presses on intrinsic pressure
Tight set 42, described outer driving nut 52 is coated at drive sleeve 51 and threadeds with drive sleeve 51,
Rotating outer driving nut 52 makes outer driving nut 52 press on the external compression set 41 being coated at drive sleeve 51,
Described locking nut 54 is threadeded with anchor pole 2 and to drive sleeve 51 axial locking, by driving assembly
Assembling be locked, easy for installation, it is to avoid complicated welding procedure and welding stress defect, it is ensured that anchor pole
The structural strength of 2 and inside and outside intensive aspect 1a so that the bonding strength between intensive aspect improves, and then ensure
The structural strength at expansion joint 9.
In 6 the present embodiment, described drive sleeve 51 outer end extends radially inwardly formation annular fixed seat, described
Annular fixed seat is slidably connected with anchor pole 2, by annular fixed seat, sleeve is driven more smooth and easy, steady,
The thrust of compact heap in ensureing.
In 7 the present embodiment, also include sealing the sealing strip 6 cutting off expansion joint 9, institute along expansion joint 9 depth direction
Stating and be provided with via in the middle of sealing strip 6 and be coated at external compression set 41, the part outside described sealing strip 6 is stretched
Seam 9 pours Colophonium hemp cut；The outward flange of described sealing strip 6 is in sealing contact with expansion joint 9, and outside via is coated at
Clamping sleeve 41 also seals, and described sealing strip 6 is for cutting off contacting of Colophonium hemp cut and external reinforcing plate for car, it is ensured that groove
Clean in 3, it is to avoid Colophonium hemp cut etc. are to described bindiny mechanism and the interference of drag reduction mechanism；And Colophonium hemp cut
Self have certain elastic to coordinate the wide change in expansion joint 9 and to reinforce external compression set 41 and anchor pole 2.
In 8 the present embodiment, at the opening's edge at described lattice girder outer wall expansion joint 9 arrange be fixedly installed a pair fix
Seat 7, described fixing seat 7 is respectively arranged at the both sides at expansion joint 9, and described fixing seat 7 sets along the longitudinal direction of lattice girder
It is equipped with through hole, is provided with in described through hole and fixes the bending resistance bar 8 that seat 7 is in axial sliding connection；Fixing seat 7 is fixed
Arrange with on lattice girder, can be by one-body molded with lattice girder or arrange groove 3 on lattice girder and pour shape
Become, made by the cooperation of fixing seat 7 and bending resistance bar 8 the bending resistance square ability of lattice girder significantly improve, and make
Making technique simple, easy to operate, with low cost, effect is obvious.
In 9 the present embodiment, described sealing strip 6 is elastic rubber strip；Rubber strip is used to have waterproof, impermeable
Gas and the advantage of life-span length, and the via diameter offered of elastic rubber strip is less than pressing outward the diameter of set, mistake
Hole is pressed set outside being coated at and is realized strict seal.
In 10 the present embodiment, described through hole and bending resistance bar 8 are multiple and equal being laterally set up in parallel along lattice girder；
Bending strength can be increased, it is ensured that the structural strength that lattice girder is overall, it is to avoid slope body by arranging multiple bending resistance bar 8
Reinforce and lost efficacy, it is ensured that the structural strength of slope surface.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although
With reference to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that,
Technical scheme can be modified or equivalent, without deviating from technical solution of the present invention
Objective and scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (9)
1. a side slope lattice beam expansion joint bending resistance square stiffening device, it is characterised in that: include rectangular shape
Intensive aspect and parallel across the anchor pole at expansion joint, the two side at described expansion joint all along lattice girder longitudinally in
Spill becomes for the groove of clamping intensive aspect, described intensive aspect fix with anchor pole be connected and the end of intensive aspect and
Flexible gap it is provided with between the bottom land of groove and between anchor pole and two side, expansion joint；Described intensive aspect is
Two pieces and be set up in parallel along expansion joint depth direction, also include being arranged at intensive aspect surface for reducing lattice girder
The drag reduction mechanism of longitudinal resistance and be arranged between two intensive aspects for increasing bonding strength between intensive aspect
Bindiny mechanism；Described intensive aspect at least includes the outer reinforcement arranged along expansion joint depth direction ecto-entad
With interior intensive aspect, described attachment structure include the external compression set being slidably connected with anchor pole, interior clamping sleeve and for
External compression set and interior clamping sleeve are pressed in respectively the driving assembly of outer reinforcement and interior intensive aspect, described external pressure
Tight set is parallel with outer reinforcement and interior intensive aspect surface respectively with the inner face of interior clamping sleeve.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 1, it is characterised in that:
Described drag reduction mechanism includes the drag reduction part being arranged at intensive aspect surface, and described drag reduction part is cylindrical and radially can
The rolling bar of deformation, described rolling bar is that multiple and along intensive aspect longitudinal direction is set up in parallel.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 2, it is characterised in that:
Described intensive aspect surface be horizontally arranged with cross section be arc and for install rolling bar groove, described groove
Opening's edge width and the degree of depth be respectively less than roll sliver transvers section diameter.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 1, it is characterised in that:
Described driving assembly includes drive sleeve, outer driving nut, interior driving nut and locking nut；Described driving
Sleeve is slidably connected with anchor pole and inwall is connected with the outer wall thread of interior driving nut, described interior driving nut by
Drive sleeve rotates to drive and also presses on interior clamping sleeve, described outer driving nut overcoat in drive sleeve and with drive
Moving sleeve is threaded, rotates outer driving nut and makes outer driving nut press on the external pressure being coated at drive sleeve
Tight set, described locking nut is connected with spiral thread on anchor bolt and to drive sleeve axial locking.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 1, it is characterised in that:
Described drive sleeve outer end extends radially inwardly formation annular fixed seat, and described annular fixed seat is sliding with anchor pole
It is dynamically connected.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 5, it is characterised in that:
Described side slope lattice beam expansion joint bending resistance square stiffening device also includes sealing to cut off along expansion joint depth direction stretching
The sealing strip of seam, is provided with via and is coated at external compression set, outside described sealing strip in the middle of described sealing strip
Part expansion joint pour Colophonium hemp cut.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 6, it is characterised in that:
Being fixedly installed a pair at the opening's edge at described lattice girder outer wall expansion joint and fix seat, described fixing seat is respectively provided with
In the both sides at expansion joint, described fixing seat, along the through hole that is vertically arranged with of lattice girder, is provided with in described through hole
The bending resistance bar being in axial sliding connection with fixing seat.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 7, it is characterised in that:
Described sealing strip is elastic rubber strip.
Side slope lattice beam expansion joint bending resistance square stiffening device the most according to claim 8, it is characterised in that:
Described through hole and bending resistance bar are multiple and equal being laterally set up in parallel along lattice girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232840.5A CN104805851B (en) | 2015-05-07 | 2015-05-07 | Side slope lattice beam expansion joint bending resistance square stiffening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232840.5A CN104805851B (en) | 2015-05-07 | 2015-05-07 | Side slope lattice beam expansion joint bending resistance square stiffening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104805851A CN104805851A (en) | 2015-07-29 |
| CN104805851B true CN104805851B (en) | 2016-08-24 |
Family
ID=53691020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510232840.5A Expired - Fee Related CN104805851B (en) | 2015-05-07 | 2015-05-07 | Side slope lattice beam expansion joint bending resistance square stiffening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104805851B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2818925B2 (en) * | 1994-10-08 | 1998-10-30 | 日本植生株式会社 | Slope greening method |
| KR20030066514A (en) * | 2003-07-08 | 2003-08-09 | 이재경 | Retaining wall constructed erectly |
| CN2811383Y (en) * | 2005-06-02 | 2006-08-30 | 杨宪奎 | Invisible bridge expansion device |
| KR101025260B1 (en) * | 2010-11-08 | 2011-03-30 | 이규철 | Slope stabilization method which uses prefabricated shore protection block and coir mat |
| CN103205976B (en) * | 2013-04-26 | 2015-12-23 | 西南交通大学 | The multistage Vierendeel girder protective slope structure of slope body pressure self-adjusting formula |
| CN203639816U (en) * | 2014-01-02 | 2014-06-11 | 黑龙江工程学院 | Novel bridge expansion joint structure |
| CN203768802U (en) * | 2014-04-01 | 2014-08-13 | 苏玉明 | Highway bridge expansion joint device |
-
2015
- 2015-05-07 CN CN201510232840.5A patent/CN104805851B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104805851A (en) | 2015-07-29 |
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