CN209620049U - A kind of pin-connected panel anchor bolt frame girder construction - Google Patents
A kind of pin-connected panel anchor bolt frame girder construction Download PDFInfo
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- CN209620049U CN209620049U CN201821708216.3U CN201821708216U CN209620049U CN 209620049 U CN209620049 U CN 209620049U CN 201821708216 U CN201821708216 U CN 201821708216U CN 209620049 U CN209620049 U CN 209620049U
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Abstract
A kind of pin-connected panel anchor bolt frame girder construction improves the integer support effect of anchor bolt frame girder construction to effectively improve the construction efficiency and construction quality of Anchored frame beam.Including the rc-frame-beam under embedment side slope surface, and be set to the anchor pole at rc-frame-beam node, anchor rod body inner end and outer end respectively with rock-soil layer, rc-frame-beam anchor connection in slopes.There are two the Vierendeel girder prefabricated unit in right-angled intersection limbs and cast-in-place concrete section are assembled by having for the rc-frame-beam, corresponding limbs form docking by the cast-in-place concrete section between end face, or the cast-in-place concrete section disconnected by two forms expansion joint；The anchor pole is made of reinforced anchor bolt with the nut, washer and billet for being set in its exposure end, applies lower-prestressed to reinforced anchor bolt by screw on nut.
Description
Technical field
The utility model relates to be related to railway, highway, municipal administration, geotechnical engineering supporting and retaining system field of reinforcement, in particular to a kind of spelling
Dress formula anchor bolt frame girder construction.
Background technique
Anchored frame beam support system structure is light, rigidity is big, consolidation effect is good takes into account greening again, in railway, highway, city
It is used widely in the slope protection project in the fields such as political affairs, water conservancy and hydropower and airport.Anchored frame beam utilizes anchor pole build-in rock
The soil body, fixed frame constrain side slope Rock And Soil using Vierendeel girder, prevent its displacement, improve the shallow-layer stress condition of side slope, can have
Effect improves the overall stability of side slope.
For anchor pole frequently with screw-thread steel, Vierendeel girder mainly uses reinforced concrete cast-in-situ structure first to beat after side slope molding at present
Anchor pole, fluting, then live assembling reinforcement in side slope again, pour coagulation for termination point of anchor rod bending part and Vierendeel girder simultaneously
Soil.There are problems as described below for this structure type and construction method:
1, live assembling reinforcement, live formwork erection casting concrete, need a large amount of manual works, work efficiency is low, costly.
2, the position of poured in place concrete, reinforcing bar is not fixed easily, often occur Vierendeel girder top concrete amount containing muscle not enough,
Intensity is low easy to crack, and the protective layer thickness of bottom reinforcement bars is inadequate, durability is poor.
3, anchor pole reinforcing bar does not apply prestressing force, and the passive stress of anchor pole does not give full play to the intensity of Rock And Soil, anchor bolt frame
The protective action of girder construction cannot make full use of.
Therefore, the anchor bolt frame girder construction of a kind of pin-connected panel of R & D design, Vierendeel girder pass through Prefabrication, on-site consolidation,
Vierendeel girder armored concrete quality is improved, manpower is saved, improves effect, and by applying lower-prestressed to anchor pole, is improved entire
The supporting effect of system seems very necessary.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of pin-connected panel anchor bolt frame girder constructions, to effectively improve
The construction efficiency and construction quality of Anchored frame beam improve the integer support effect of anchor bolt frame girder construction.
It is as follows that the utility model solves technical solution used by its technical problem:
A kind of pin-connected panel anchor bolt frame girder construction of the utility model, including the steel reinforced concrete frame under embedment side slope surface
Set a roof beam in place, and be set to the anchor pole at rc-frame-beam node, anchor rod body inner end and outer end respectively with rock in slopes
Soil layer, rc-frame-beam anchor connection, it is characterized in that: the rc-frame-beam is by tool, there are two hand in cross
Vierendeel girder prefabricated unit and the cast-in-place concrete section for pitching limbs are assembled, and corresponding limbs pass through the cast-in-place coagulation between end face
Soil section forms docking, or the cast-in-place concrete section disconnected by two forms expansion joint；The anchor pole is by reinforced anchor bolt and suit
It is constituted in the nut, washer and billet of its exposure end, lower-prestressed is applied to reinforced anchor bolt by screw on nut.
Vierendeel girder arrangement of reinforcement is set in two limbs of the Vierendeel girder prefabricated unit, and Vierendeel girder arrangement of reinforcement includes main reinforcement and hoop
Muscle, the main reinforcement longitudinally extended is vertical in limbs section, is horizontally arranged at interval, stirrup be arranged along limbs longitudinal gap and with each master
Muscle is fixedly connected；Main ribs extend the end face of limbs butt end, and the fixed company of main reinforcement of limbs is corresponded in cast-in-place concrete section
It connects.
Anchor pole preformed hole is arranged in the Vierendeel girder prefabricated unit at node, and two limbs have protruding upward on the downside of it
Its edge that intercepts water pushed up, the stirrup extend upwardly in the vertical section of the side and form the balsh muscle that intercepts water in the edge that intercepts water.
The beneficial effects of the utility model are mainly reflected in following aspects:
1, rc-frame-beam is assembled using Vierendeel girder prefabricated unit and cast-in-place concrete section, is improving frame
While the quality and durability of beam, construction efficiency can be increased substantially, is conducive to save project cost；
2, anchor pole uses reinforced anchor bolt, and exposure end is anchored on rc-frame-beam, and by nut to reinforcing bar anchor
Bar applies lower-prestressed, makes anchor pole active force, gives full play to the intensity of Rock And Soil, can optimize the stress condition of structure, changes
Slopes stress state enhances slopes self-stable ability, effectively improves the integer support effect of anchor bolt frame girder construction；
3, it is easy to construct, it can be achieved that property is strong.
Detailed description of the invention
This specification includes following nine attached drawings:
Fig. 1 is a kind of plan view of pin-connected panel anchor bolt frame girder construction of the utility model；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is a kind of connecting method schematic diagram that pin-connected panel anchor bolt frame girder construction center is set a roof beam in place of the utility model；
Fig. 4 is that a kind of pin-connected panel anchor bolt frame girder construction center of the utility model is set a roof beam in place the plan view of prefabricated unit；
Fig. 5 is that a kind of pin-connected panel anchor bolt frame girder construction center of the utility model is set a roof beam in place the plan view of prefabricated unit；
Fig. 6 is the sectional view of the line C-C along Fig. 3；
Fig. 7 is the enlarged drawing of the part B in Fig. 3；
Fig. 8 is that a kind of pin-connected panel anchor bolt frame girder construction center of the utility model is set a roof beam in place the cross-section diagram of prefabricated unit；
Fig. 9 is the structure chart of anchor pole in a kind of pin-connected panel anchor bolt frame girder construction of the utility model.
Component and corresponding label: Vierendeel girder prefabricated unit 10, cast-in-place concrete section 11, the edge 12 that intercepts water, master are shown in figure
Muscle 13, stirrup 14, the balsh muscle 15 that intercepts water, anchor pole preformed hole 16, backfill clay 17, anchor pole end socket concrete 20, reinforced anchor bolt 21,
Nut 22, washer 23, billet 24, concrete fringing 30, origin and destination concrete fringing 31, fringing intercept water edge 32, concrete bone
Frame basis 40, lateral sulcus platform 50, lateral sulcus 60, expansion joint 70, side slope surface L.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of pin-connected panel anchor bolt frame girder construction of the utility model, including embedment Slope
Rc-frame-beam under the L of face, and be set to the anchor pole at rc-frame-beam node, anchor rod body inner end and
Outer end respectively with rock-soil layer, rc-frame-beam anchor connection in slopes.The rc-frame-beam is by having two
A assembled in the Vierendeel girder prefabricated unit 10 and cast-in-place concrete section 11 of right-angled intersection limbs, corresponding limbs pass through end face
Between cast-in-place concrete section 11 formed docking, or pass through two disconnect cast-in-place concrete section 11 formed expansion joints 70.It is described
Anchor pole is made of reinforced anchor bolt 21 with the nut 22, washer 23 and billet 24 for being set in its exposure end, passes through screw on nut 22
Lower-prestressed is applied to reinforced anchor bolt 21.Rc-frame-beam uses Vierendeel girder prefabricated unit 10 and cast-in-place concrete section 11
It is assembled, high construction efficiency rate can be significantly proposed, is conducive to save project cost.Vierendeel girder prefabricated unit 10 is pre- using batch production
System production, can effectively improve the quality and durability of Vierendeel girder.And lower-prestressed is applied to reinforced anchor bolt by nut 22, make anchor
Bar active force gives full play to the intensity of Rock And Soil, can optimize the stress condition of structure, changes slopes stress state, increases whole
Slopes self-stable ability effectively improves the integer support effect of anchor bolt frame girder construction.
Referring to Fig. 4 and Fig. 5, Vierendeel girder arrangement of reinforcement is set in two limbs of the Vierendeel girder prefabricated unit 10, Vierendeel girder is matched
Muscle includes main reinforcement 13 and stirrup 14, and the main reinforcement 13 longitudinally extended is vertical in limbs section, is horizontally arranged at interval, and stirrup 14 is along limb
Body longitudinal gap is arranged and is fixedly connected with each main reinforcement 13.Structure type that there are mainly two types of Vierendeel girder prefabricated units 10, one is
Each limbs dock (as shown in Figure 4), and main ribs 13 extend the end face of limbs butt end, correspond in cast-in-place concrete section 11
The main reinforcement 13 of limbs is fixedly connected；Another kind is setting expansion joint 70 (as shown in Figure 5) between the limbs of side.
Referring to Fig. 4, Fig. 5 and Fig. 8, anchor pole preformed hole 16, two limbs are arranged in the Vierendeel girder prefabricated unit 10 at node
Intercept water edge 12 of the body with its top protruding upward on the downside of it, vertical section of the stirrup 14 in the side, which extends upwardly to, to intercept water
The balsh muscle 15 that intercepts water is formed in edge 12.Slope surface water is imported in lateral sulcus by intercepting water edge 12.To be more conducive to drain, the reinforcing bar
The grid of concrete frame beam assumes diamond in shape.
Referring to Fig. 9, the exposure end of the reinforced anchor bolt 21 is embedded to anchor pole end socket concrete 20, and anchor pole end socket concrete 20 pours
It builds on Vierendeel girder prefabricated unit 10.
Referring to Fig.1, the setting of the bottom the side slope surface L forms the concrete skeleton base of support to rc-frame-beam
Plinth 40, top are arranged concrete fringing 30, origin and destination concrete fringing 31, concrete fringing 30 are arranged at transverse ends origin and destination
The fringing that downside, 31 two sides of origin and destination concrete fringing are respectively provided with its top surface protruding upward intercepts water edge 32, for the row's of cutting slope surface rain
Water.
Referring to Fig.1, Fig. 2, Fig. 6, Fig. 7 and Fig. 9, anchor pole is by such as in a kind of pin-connected panel anchor bolt frame girder construction of the utility model
Lower step is constructed:
After 1. side slope surface L is excavated in place by design ratio of slope, section construction concrete skeleton basis 40.
2. in excavating the construction slot for being embedded to rc-frame-beam on side slope surface L.
For the installation convenient for Vierendeel girder prefabricated unit 10, groove width of constructing should be slightly bigger than 10 width of Vierendeel girder prefabricated unit,
Junction is local widening, construction groove depth and the insertion side slope depth one of Vierendeel girder prefabricated unit 10 convenient for reinforcement welding operation
It causes.Construction trench bottom answer it is smooth, when necessary use cement mortar screeding.
3. in order in the beam prefabricated unit 10 of lifting frame to construction slot.
The assembled arrangement of each Vierendeel girder prefabricated unit 10 neat, smoothly, with slope surface should be connected closely connected, firm.
4. being welded to connect the main reinforcement 13 for corresponding to limbs at each butt end, shuttering casting concrete forms cast-in-place concrete section
11, the two cast-in-place concrete sections 11 docked with Ipsilateral limb are formed in 70 two sides casting concrete of expansion joint, assembly forms reinforcing bar
Concrete frame beam.
5. rock-soil layer drills into slopes by the anchor pole preformed hole 16 at each 10 node of Vierendeel girder prefabricated unit, it is put into steel
Using cement mortar is injected in hole-bottom slurry-injection normal direction hole after muscle anchor pole 21, after cement mortar solidification meets intensity requirement, install
Nut 22, washer 23 and billet 24 tighten nut 22 and apply prestressing force to design value.
According to design hole depth, borehole, after emptying simultaneously by reinforced anchor bolt 21 and Grouting Pipe that screw side pole is welded
It is put into drilling, using hole-bottom slurry-injection method slip casting, until slip casting can be stopped after aperture outflow fresh slurry, it is ensured that slip casting is full
It is closely knit.
6. pouring anchor pole end socket concrete 20, the exposure end of reinforced anchor bolt 21 is closed.
7. cast-in-place construction concrete fringing 30, origin and destination concrete fringing 31, the fringing edge 32 that intercepts water is synchronized and is poured.
8. Bituminous hemp fiber is clogged into expansion joint 70, to prevent seeping water at expansion joint；
9. the gap for filling out rc-frame-beam side wall between groove groove wall of constructing with the closely knit rammer of backfill clay 17, avoids
Infiltration；
10. applying lateral sulcus platform 50, lateral sulcus 60, side slope slope surface L is afforested.
The above is a kind of some principles of pin-connected panel anchor bolt frame girder construction of the utility model that explain through diagrams, and
It is non-be the utility model is confined to shown in and the specific structure and the scope of application in, therefore all may be utilized
It is corresponding modification and equivalent, belong to the applied the scope of the patents of the utility model.
Claims (6)
1. a kind of pin-connected panel anchor bolt frame girder construction, including the rc-frame-beam under embedment side slope surface (L), Yi Jishe
The anchor pole being placed at rc-frame-beam node, anchor rod body inner end and outer end are mixed with rock-soil layer, reinforcing bar in slopes respectively
Solidifying soil Vierendeel girder anchor connection, it is characterized in that: the rc-frame-beam is by having, there are two the frames for being in right-angled intersection limbs
Set a roof beam in place prefabricated unit (10) and cast-in-place concrete section (11) it is assembled, corresponding limbs pass through the cast-in-place concrete between end face
Section (11) forms docking, or the cast-in-place concrete section (11) disconnected by two forms expansion joint (70)；The anchor pole is by reinforcing bar
Anchor pole (21) and the nut (22), washer (23) and billet (24) for being set in its exposure end are constituted, and are passed through screw on nut (22)
Lower-prestressed is applied to reinforced anchor bolt (21).
2. a kind of pin-connected panel anchor bolt frame girder construction as described in claim 1, it is characterized in that: the Vierendeel girder prefabricated unit
(10) Vierendeel girder arrangement of reinforcement is set in two limbs, and Vierendeel girder arrangement of reinforcement includes main reinforcement (13) and stirrup (14), the master longitudinally extended
Muscle (13) is vertical in limbs section, is horizontally arranged at interval, stirrup (14) be arranged along limbs longitudinal gap and with each main reinforcement (13)
It is fixedly connected；Main ribs (13) extend the end face of limbs butt end, and the main reinforcement of limbs is corresponded in cast-in-place concrete section (11)
(13) it is fixedly connected.
3. a kind of pin-connected panel anchor bolt frame girder construction as claimed in claim 2, it is characterized in that: the Vierendeel girder prefabricated unit
(10) anchor pole preformed hole (16) are set at node, intercept water edge (12) of two limbs with its top protruding upward on the downside of it,
Vertical section of the stirrup (14) in the side, which extends upwardly to be formed in the edge that intercepts water (12), intercepts water balsh muscle (15).
4. a kind of pin-connected panel anchor bolt frame girder construction as claimed in claim 3, it is characterized in that: the rc-frame-beam
Grid assume diamond in shape.
5. a kind of pin-connected panel anchor bolt frame girder construction as described in claim 1, it is characterized in that: the reinforced anchor bolt (21) goes out
Reveal end embedment anchor pole end socket concrete (20), anchor pole end socket concrete (20) is poured on Vierendeel girder prefabricated unit (10).
6. a kind of pin-connected panel anchor bolt frame girder construction as described in claim 1, it is characterized in that: the bottom the side slope surface (L)
It is basic (40) that the concrete skeleton for forming support to rc-frame-beam is set, top setting concrete fringing (30) is horizontal
Origin and destination concrete fringing (31) are set to both ends origin and destination, concrete fringing (30) downside, origin and destination concrete fringing
(31) fringing that two sides are respectively provided with its top surface protruding upward intercepts water edge (32), for the row's of cutting slope surface rainwater.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821708216.3U CN209620049U (en) | 2018-10-22 | 2018-10-22 | A kind of pin-connected panel anchor bolt frame girder construction |
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| CN201821708216.3U CN209620049U (en) | 2018-10-22 | 2018-10-22 | A kind of pin-connected panel anchor bolt frame girder construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356173A (en) * | 2018-10-22 | 2019-02-19 | 中铁二院工程集团有限责任公司 | A kind of pin-connected panel anchor bolt frame girder construction and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356173A (en) * | 2018-10-22 | 2019-02-19 | 中铁二院工程集团有限责任公司 | A kind of pin-connected panel anchor bolt frame girder construction and its construction method |
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