CN110106896A - A kind of prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of slope reinforcement - Google Patents
A kind of prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of slope reinforcement Download PDFInfo
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- CN110106896A CN110106896A CN201910476407.4A CN201910476407A CN110106896A CN 110106896 A CN110106896 A CN 110106896A CN 201910476407 A CN201910476407 A CN 201910476407A CN 110106896 A CN110106896 A CN 110106896A
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- card slot
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- 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
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
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Abstract
The invention discloses the prefabricated card slot type anchor pier lattice girder constructions and assembling constructing method of a kind of slope reinforcement, including prefabricated card slot type anchor pier, precast beam and side slope surface, the prefabricated card slot type anchor pier is located at side slope surface, the precast beam is located at prefabricated card slot type anchor pier surrounding outer surface, and the side of the prefabricated card slot type anchor pier is provided with prefabricated lattice crossbeam.The prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of a kind of slope reinforcement of the present invention, by producing prefabricated card slot type armored concrete anchor pier and precast reinforced concrete beam in PC component factory, it then is that basic assembled rigid unit is fast and safely assembled at slope construction scene with the prefabricated components, not only it can apply to the Reinforcement of execavated rockmass but also can apply to the Reinforcement of embankment side slope, therefore the present invention is advantageously implemented lattice girder slope reinforcement and fast and safely assembles construction, brings better prospect of the application.
Description
Technical field
The present invention relates to slope reinforcement structure field, in particular to the prefabricated card slot type anchor pier lattice girder of a kind of slope reinforcement
Structure and assembling constructing method.
Background technique
Lattice reinforcement technique is to carry out side using mortar flag stone, cast-in-situ steel reinforced concrete or precast prestressed concrete lattice
Slope slope protection, and it is subject to a kind of fixed reinforcing side slope technique using anchor pole or anchor cable.It can be in sash using sash slope protection
Within plantation flowers and plants can achieve extremely beautiful effect, in this technology mountainous area highway high gradient slope reinforce in it is extensive
Using slope protection reaches not only beautiful but also safety good result.
The main function of lattice be the residual pushing force of slopes or rock and soil pressure are distributed to anchor pole at lattice node or
Then anchor cable passes to slope stability stratum by anchor cable, to make slopes in the work by anchor pole or the anchor force of anchor cable offer
It is in stable state with lower, therefore lattice is only a kind of force transferring structure, and the anchor that skid resistance is mainly arranged by lattice node
Bar provides.
China mainly uses mortar flag stone and cast-in-situ steel reinforced concrete lattice in slope project Reinforcement at present, much
The Japan and European and American developed countries of construction industry prosperity are lagged behind, mortar flag stone is general suitable since the sliding resistance that it is provided is smaller
Protection against erosion for the lesser short gentle side slope of scale is administered；Cast-in-situ steel reinforced concrete lattice is due to that can provide biggish antiskid
Resistance, globality is preferably and can be with the side slope of prestress anchorage cable cooperative bearing therefore various types different height at home well
It is widely applied in reinforcing, is especially applied in the cut slope based on excavating and the side slope of embankment Reinforcement based on filling
Extensively.
It has the disadvantage in that and 1. needs in view of current domestic common cemented rock lattice and cast-in-situ steel reinforced concrete lattice
The maintenance of long period is unfavorable for the stable early of side slope, fundamentally cannot be used insuring highway' slope engineering；2. slope construction scene needs
More template and construction personnel are wanted, is unfavorable for realizing the building industrialization of Fast Installation；3. slope construction is existing under normal circumstances
Field condition is severe, template is arranged on the slope, disturbing concrete is easy to appear template downslide, shift and concrete spillage influences branch
The deleterious situation of protection structure quality；4. the side slope disturbance of vibrating of field cast-in-place concrete is larger, or even can induce extensive cunning
The generation of the geological disasters such as slope, for this purpose, it is proposed that a kind of prefabricated card slot type anchor pier lattice girder construction of slope reinforcement and assembly
Construction method.
Summary of the invention
The main purpose of the present invention is to provide a kind of prefabricated card slot type anchor pier lattice girder construction of slope reinforcement and assembly
Construction method can effectively solve the problems in background technique.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of slope reinforcement, including prefabricated card slot type anchor
Pier, precast beam and side slope surface, the prefabricated card slot type anchor pier are located at side slope surface, and the precast beam is located at prefabricated card slot type anchor
Pier surrounding outer surface, the side of the prefabricated card slot type anchor pier are provided with prefabricated lattice crossbeam, the prefabricated card slot type anchor pier
Upper end side is provided with prefabricated lattice stringer, is provided with prestressed anchor in the middle part of the prefabricated card slot type anchor pier, described pre- to answer
The top of power anchor pole is provided with sealing off and covering anchorage.
Preferably, comprising the following steps:
Step 1: excavation slope simultaneously modifies slope surface.According to design requirement excavation slope and by slope surface be trimmed to plane or
Multistage plane.
Step 2: surveying setting-out, according to construction drawing require by prefabricated card slot type anchor pier and prefabricated lattice crossbeam with it is prefabricated
The position of lattice stringer is labeled on side slope surface.
Step 3: slope surface fluting, the position of beam is opened perpendicular to slope surface according to the card slot type anchor pier marked in slope surface and in length and breadth
Slot in order to install prefabricated card slot type anchor pier and prefabricated lattice crossbeam and prefabricated lattice stringer in slope surface, answer slightly larger by fluting size
In the size of prefabricated card slot type anchor pier and precast beam, groove depth should be not less than 20mm.
Step 4: prestressed anchor construction, according to construction drawing, in precast lattice beam, vertically and horizontally intersection blocks by a predetermined angle
Slot type anchor pier reserves anchor hole position drilling machine dry drilling, after high pressure air pressure gun borehole cleaning prestressed anchor pole and slip casting wait for by force,
Pay attention to arbitrarily touching the outer anchor section of anchor pole during this.Prestressed anchor preferably uses screw side pole anchor pole, prestressed anchor herein
The body of rod preferably uses 40 deformed bar of Ф 25- Ф；Anchorage preferably uses thread anchorage, including screw side pole, nut anchor and
Steel plate washer three parts composition is used for stretching end, and screw side pole preferably uses butt welding to connect with deformed bar.
Step 5: prefabricated components installation, first with lifting appliance by precast beam be put into side slope surface slot in formation
Lattice crossbeam and lattice stringer and the provisional protection for carrying out prefabricated components avoid precast beam that sliding or overturning occurs；Then it adjusts and is loaded
Slot type anchor pier and the reserved anchor hole that anchor section outside anchor pole is passed through to card slot type anchor pier, while adjacent the two vertical two of position will be had been mounted to
The beam-ends of horizontal totally four precast lattice beams is caught in card slot, is fixed temporarily card after installation billet and with nut anchor fastening immediately
Slot type anchor pier.
Step 6: the tensioning fixation of anchor pole successively applies first to prestressed anchors all in slope surface with hydraulic jack
Then fastening nut anchorage immediately after grade load successively applies next stage load to all anchor poles and fastens each nut anchor at any time
Tool is until all anchor poles are stretched to lock value, and complete the last time fastening of all nut anchors.
Step 7: other less important works should carry out sealing off and covering anchorage after all anchor pole tensioning fixations to anchor section outside anchor pole, and to card slot
Interior injection cement mortar carries out the anti-corrosion of prefabricated components suspension hook and hanging ring to fill the space between card slot and prefabricated beam end
Processing.
Compared with prior art, the invention has the following beneficial effects: a kind of prefabricated card slot type anchor piers of slope reinforcement
Lattice girder construction and assembling constructing method, prefabricated card slot type anchor pier and precast beam compact appearance are given birth in batches succinctly, in PC factory
Produce, it is high-efficient, quality is guaranteed, simultaneously again can energy-saving and emission-reduction, reduce environmental pollution；Prefabricated components shape is simple, convenient for prefabricated
Mass production, stacking, carrying and the lifting of component, structural elements crack resistance are good；Construction site installation procedure is simply convenient for grasping
Make, prefabricated components it is stable early can be conducive to side slope immediately to prestressed anchor tensioning, locking after being installed in place；Dead load
Gentlier cooperate small-sized allocation and transportation equipment that can reduce labour, cross-operation is convenient, accelerates installation progress, constructs substantially not by weather
Influence；A large amount of construction formworks and labour, installation accuracy height are saved in scene, and construction quality is guaranteed；Lattice girder after installation
Stress is clear (vertically and horizontally beam body is in simply-supported state), safe and reliable in structure, cooperates Forced Bond Anchor Bolt, anchor tube or answers in advance
Power anchor pole, anchor cable can be suitably used for the Reinforcement of various types, the execavated rockmass of various scales and different height or embankment side slope,
Applicability is extensive, especially suitable for there is the rescue and relief work Reinforcement Works of Rock Slopes of urgent requirement to the time；Entire reinforcement system shows
Field installation hardly largely uses water in addition to anchor pole mortar needs to use a small amount of water, reduces dependence of the remote districts to water
Degree；Grass planting or plantation small shrub are conducive to mutually coordinate with surrounding enviroment in lattice girder sash after completion, are conducive to environment
Protection, the effect used are more preferable relative to traditional approach.
Detailed description of the invention
After Fig. 1 reinforces for the prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of a kind of slope reinforcement of the present invention
Prestressed anchor card slot type anchor pier lattice girder system three-dimensional figure.
Fig. 2 is individually pre- for the prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of a kind of slope reinforcement of the present invention
Stress anchor pole card slot type anchor pier lattice girder unit three-dimensional figure.
Fig. 3 is the present invention a kind of prefabricated card slot type anchor pier lattice girder construction and the pre- fabrication of assembling constructing method of slope reinforcement
Slot type anchor pier 1 overlooks three-dimensional figure.
Fig. 4 is the present invention a kind of prefabricated card slot type anchor pier lattice girder construction and the pre- fabrication of assembling constructing method of slope reinforcement
Slot type anchor pier 1 looks up three-dimensional figure.
Fig. 5 be a kind of slope reinforcement of the present invention prefabricated card slot type anchor pier lattice girder construction and assembling constructing method it is prefabricated etc.
Section rectangular beam three-dimensional figure.
Fig. 6 is the present invention a kind of prefabricated card slot type anchor pier lattice girder construction and the prefabricated change of assembling constructing method of slope reinforcement
Section rectangular beam three-dimensional figure.
In figure: 1, prefabricated card slot type anchor pier；101, card slot is reserved；102, anchor hole is reserved；2, precast beam；201, prefabricated lattice
Crossbeam；202, prefabricated lattice stringer；3, side slope surface；4, prestressed anchor；5, sealing off and covering anchorage.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be appreciated that specific embodiment described herein is only used to explain this patent, it is not used to limit this patent.
Embodiment one:
Prefabricated card slot type anchor pier 1 is reinforced concrete structure, and shape can be cube, cuboid, cylindrical body on the whole
Or the forms such as cone table.
By taking a kind of prefabricated card slot type anchor pier of cuboid of the present embodiment as an example, outer dimension B × L × H be preferably 700mm ×
700mm × 500mm, 800mm × 800mm × 600mm, 900mm × 900mm × 700mm, 1000mm × 1000mm × 800mm or
Other sizes, B, L and H are width, length and the height of card slot type anchor pier respectively.
Prefabricated card slot type anchor pier 1 is normally located otherwise four card slots 101 for prefabricated below facets in the thickness direction thereof etc.
2 beam-ends of beam is caught in, and the one side of card slot type anchor pier setting card slot 101 is to meet native face；The size of card slot should be slightly larger than precast beam 2
Sectional dimension, the depth (i.e. the lap of splice) that 2 beam-ends of precast beam is caught in prefabricated anchor pier card slot 101 should be not less than 250mm.
Precast beam 2 is an armored concrete cross-section rectangular beam or variable cross-section rectangular beam, and the effective dimensions of beam section can be with
For b × h=250mm × 250mm, 300mm × 300mm, 350mm × 350mm, 400mm × 400mm or other sizes, precast beam
Length l should according on side slope surface anchor pier setting spacing and 2 beam-ends of precast beam be caught in the depth of prefabricated anchor pier card slot 101 (i.e.
The lap of splice) synthesis determination, length can be according to modular system as rulers such as l=1500mm, 2000mm, 2500mm, 3000mm
It is very little.B, h and l is respectively width, height and the length of precast beam.
Precast beam 2 can use common steel bar stress when PC engineering produces, its cracking resistance or use for raising
Deformed bar is directly applied to improve after the compatibility used precast prestressed square pile can also be truncated as precast beam.
Precast beam 2 preferably uses two o'clock to lift by crane method, hangs on prefabricated top surface of the beam away from being symmetrically arranged two at beam-ends 0.207l
In order to the lifting and transport of precast beam, l is beam length for hook or hanging ring.
Prefabricated card slot type anchor pier 1 and precast beam 2 preferably use strength grade to be not less than C30 concrete, in conditional situation
High-strength concrete should preferentially be used.
The steel bar stress of prefabricated card slot type anchor pier 1 and precast beam 2 should use HRB400, HRB500, HRBF400, HRBF500
Reinforcing bar, stirrup preferably use HPB300 plain bar, and the diameter of plain bar should be not less than φ 8.
Embodiment two: a kind of prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of slope reinforcement, pre- fabrication
Slot type anchor pier and precast beam should cooperate overall length binding type anchor pole, anchor according to the degree of stability of grade of side slope, slope height, slope ground body
Pipe or prestressed anchor, anchor cable use.The present embodiment is used with execavated rockmass cooperation prestressed anchor and its assembly is discussed in detail
Construction process.
The following steps are included:
Step 1: excavation slope simultaneously modifies slope surface.According to design requirement excavation slope and by slope surface be trimmed to plane or
Multistage plane.
Step 2: surveying setting-out, according to construction drawing require by prefabricated card slot type anchor pier 1 and prefabricated lattice crossbeam 201 with
The position of prefabricated lattice stringer 202 is labeled on side slope surface 3.
Step 3: slope surface fluting, the position of beam is opened perpendicular to slope surface according to the card slot type anchor pier marked in slope surface and in length and breadth
Slot in slope surface in order to install prefabricated card slot type anchor pier 1 and prefabricated lattice crossbeam 201 and prefabricated lattice stringer 202, ruler of slotting
The very little size that should be slightly larger than prefabricated card slot type anchor pier 1 and precast beam 2, groove depth should be not less than 200mm.
Step 4: prestressed anchor 4 is constructed, and according to construction drawing, in precast lattice beam, vertically and horizontally intersection blocks by a predetermined angle
Slot type anchor pier reserves 102 position of anchor hole drilling machine dry drilling, and simultaneously slip casting waits for by force prestressed anchor pole after high pressure air pressure gun borehole cleaning,
Pay attention to arbitrarily touching the outer anchor section of anchor pole during this period.Prestressed anchor 4 preferably uses screw side pole anchor pole, prestressed anchor herein
4 body of rod of bar preferably uses 40 deformed bar of Ф 25- Ф；Anchorage preferably uses thread anchorage, including screw side pole, nut anchor
It is used for stretching end with steel plate washer three parts composition, screw side pole preferably to use butt welding to connect with deformed bar.
Step 5: prefabricated components installation, first with lifting appliance by precast beam 2 be put into side slope surface 3 slot it is interior with shape
At lattice crossbeam and lattice stringer and carry out prefabricated components provisional protection avoid precast beam 2 occur sliding or overturning；Then it adjusts
Be loaded slot type anchor pier and the reserved anchor hole 102 by anchor section outside anchor pole across card slot type anchor pier, while the phase that will have been mounted to position
The beam-ends of adjacent four main national highways in China totally four precast lattice beams is caught in card slot, is installed after billet and is faced immediately with nut anchor fastening
When fixing card slot type anchor pier.
Step 6: the tensioning fixation of anchor pole successively applies first to prestressed anchors all in slope surface with hydraulic jack
Then fastening nut anchorage immediately after grade load successively applies next stage load to all anchor poles and fastens each nut anchor at any time
Tool is until all anchor poles are stretched to lock value, and complete the last time fastening of all nut anchors.
Step 7: other less important works should carry out sealing off and covering anchorage after all anchor pole tensioning fixations to anchor section outside anchor pole, and to card slot
Interior injection cement mortar carries out the anti-corrosion of prefabricated components suspension hook and hanging ring to fill the space between card slot and prefabricated beam end
Processing.
It should be noted that the present invention is the prefabricated card slot type anchor pier lattice girder construction and assembly construction of a kind of slope reinforcement
Method, by prefabricated card slot type anchor pier 1, reserved card slot 101, reserved anchor hole 102, precast beam 2, prefabricated lattice crossbeam 201, prefabricated lattice
Structure stringer 202, side slope surface 3, prestressed anchor 4, sealing off and covering anchorage 5, excavation slope simultaneously modify slope surface.According to design requirement excavation slope
And slope surface is trimmed to plane or multistage plane, surveying setting-out, according to construction drawing requirement by prefabricated card slot type anchor pier 1 and in advance
The position of lattice crossbeam 201 processed and prefabricated lattice stringer 202 is labeled on side slope surface 3, and slope surface fluting is marked according in slope surface
Card slot type anchor pier and the position of beam is slotted perpendicular to slope surface in order to install prefabricated card slot type anchor pier 1 and pre- in slope surface in length and breadth
Lattice crossbeam 201 processed and prefabricated lattice stringer 202, fluting size should be slightly larger than the ruler of prefabricated card slot type anchor pier 1 and precast beam 2
It is very little, groove depth should be not less than 200mm, prestressed anchor 4 construct, according to construction drawing by a predetermined angle precast lattice beam in length and breadth
102 position of anchor hole drilling machine dry drilling, prestressed anchor pole after high pressure air pressure gun borehole cleaning are reserved to intersection's card slot type anchor pier
And slip casting waits for by force, pays attention to arbitrarily touching the outer anchor section of anchor pole during this period.Prestressed anchor 4 preferably uses screw side pole anchor herein
Bar, 4 body of rod of prestressed anchor preferably use 40 deformed bar of Ф 25- Ф；Anchorage preferably uses thread anchorage, including screw end
Bar, nut anchor and steel plate washer three parts composition are used for stretching end, and screw side pole preferably uses butt welding to connect with deformed bar, in advance
Precast beam 2 is put into side slope surface 3 with lifting appliance first and slot and interior indulged with forming lattice crossbeam and lattice by component processed installation
Beam and the provisional protection for carrying out prefabricated components avoid precast beam 2 that sliding or overturning occurs；Then the slot type anchor pier and by anchor of being loaded is adjusted
The outer anchor section of bar passes through the reserved anchor hole 102 of card slot type anchor pier, at the same will have been mounted to the adjacent four main national highways in China of position totally four it is pre-
The beam-ends of lattice girder processed is caught in card slot, is fixed temporarily card slot type anchor pier after installation billet and with nut anchor fastening immediately,
The tensioning fixation of anchor pole fastens immediately after successively applying first order load to prestressed anchors all in slope surface with hydraulic jack
Then nut anchor successively applies next stage load to all anchor poles and fastens each nut anchor at any time until all anchor poles
It is pulled to lock value, and completes the last time fastening of all nut anchors, other less important works are answered after all anchor pole tensioning fixations
To outside anchor pole anchor section carry out sealing off and covering anchorage, and into card slot inject cement mortar to fill the space between card slot and prefabricated beam end,
And the preservative treatment of prefabricated components suspension hook and hanging ring is carried out, prefabricated card slot type anchor pier and precast beam compact appearance be succinct, in PC work
Produced in batches in factory, it is high-efficient, quality is guaranteed, simultaneously again can energy-saving and emission-reduction, reduce environmental pollution；Prefabricated components shape letter
Single, convenient for the mass production of prefabricated components, stacking, carrying and lifting, structural elements crack resistance is good；Construction site installation procedure
Simple to be convenient for operating, prefabricated components it is steady early can be conducive to side slope immediately to prestressed anchor tensioning, locking after being installed in place
It is fixed；Dead load gentlier cooperates small-sized allocation and transportation equipment that can reduce labour, and cross-operation is convenient, accelerates installation progress, construction
Substantially it is not affected by the weather；A large amount of construction formworks and labour, installation accuracy height are saved in scene, and construction quality is guaranteed；Peace
Lattice beam stress after dress is clear (vertically and horizontally beam body is in simply-supported state), safe and reliable in structure, cooperates bonding-type full-length anchor
Bar, anchor tube or prestressed anchor, anchor cable can be suitably used for various types, the execavated rockmass of various scales and different height or embankment side
The Reinforcement on slope, applicability is extensive, especially suitable for there is the rescue and relief work Reinforcement Works of Rock Slopes of urgent requirement to the time；Entirely
The in-site installation of reinforcement system is hardly largely used water, is reduced remotely in addition to anchor pole mortar needs to use a small amount of water
Degree of dependence of the area to water；Grass planting or plantation small shrub are conducive to mutually assist with surrounding enviroment in lattice girder sash after completion
It adjusts, is conducive to environmental protection, it is more practical.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. the prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of a kind of slope reinforcement, including prefabricated card slot type anchor pier
(1), precast beam (2) and side slope surface (3), it is characterised in that: the prefabricated card slot type anchor pier (1) is located at side slope surface (3), institute
It states precast beam (2) and is located at prefabricated card slot type anchor pier (1) surrounding outer surface, the side of the prefabricated card slot type anchor pier (1) is provided with
Prefabricated lattice crossbeam (201), the upper end side of the prefabricated card slot type anchor pier (1) is provided with prefabricated lattice stringer (202), described
It is provided with prestressed anchor (4) in the middle part of prefabricated card slot type anchor pier (1), the top of the prestressed anchor (4) is provided with sealing off and covering anchorage
(5)。
2. the prefabricated card slot type anchor pier lattice girder construction and assembly construction party of a kind of slope reinforcement according to claim 1
Method, comprising the following steps:
Step 1: excavation slope simultaneously modifies slope surface.Plane or multistage are trimmed to according to design requirement excavation slope and by slope surface
Plane；
Step 2: surveying setting-out, according to construction drawing require by prefabricated card slot type anchor pier (1) and prefabricated lattice crossbeam (201) with
The position of prefabricated lattice stringer (202) is labeled on side slope surface (3)；
Step 3: slope surface fluting, according to the card slot type anchor pier marked in slope surface and in length and breadth the position of beam perpendicular to slope surface slot with
Convenient for installing prefabricated card slot type anchor pier (1) and prefabricated lattice crossbeam (201) and prefabricated lattice stringer (202) in slope surface, slot
Size should be slightly larger than the size of prefabricated card slot type anchor pier (1) and precast beam (2), and groove depth should be not less than 200mm；
Step 4: prestressed anchor (4) construction, according to construction drawing by a predetermined angle in precast lattice beam vertically and horizontally intersection's card slot
Formula anchor pier reserves anchor hole (102) position drilling machine dry drilling, and simultaneously slip casting waits for by force prestressed anchor pole after high pressure air pressure gun borehole cleaning,
Pay attention to arbitrarily touching the outer anchor section of anchor pole during this period.Prestressed anchor (4) preferably uses screw side pole anchor pole, prestressing force herein
Anchor pole (4) body of rod preferably uses 40 deformed bar of Ф 25- Ф；Anchorage preferably uses thread anchorage, including screw side pole, nut
Anchorage and steel plate washer three parts composition are used for stretching end, and screw side pole preferably uses butt welding to connect with deformed bar；
Step 5: prefabricated components installation, first with lifting appliance by precast beam (2) be put into side slope surface (3) slot it is interior with shape
At lattice crossbeam and lattice stringer and carry out prefabricated components provisional protection avoid precast beam (2) occur sliding or overturning；Then
Be loaded slot type anchor pier and the reserved anchor hole (102) by anchor section outside anchor pole across card slot type anchor pier are adjusted, while position will be had been mounted to
The beam-ends of adjacent four main national highways in China totally four precast lattice beams be caught in card slot, install immediately after billet and tight with nut anchor
Admittedly being fixed temporarily card slot type anchor pier；
Step 6: the tensioning fixation of anchor pole successively applies first order lotus to prestressed anchors all in slope surface with hydraulic jack
Then all anchor poles are successively applied next stage load by fastening nut anchorage immediately after load and to fasten each nut anchor at any time straight
It is stretched to lock value to all anchor poles, and completes the last time fastening of all nut anchors；
Step 7: other less important works should carry out sealing off and covering anchorage to anchor section outside anchor pole after all anchor pole tensioning fixations, and infuse into card slot
Enter cement mortar to fill the space between card slot and prefabricated beam end, and carries out at the anti-corrosion of prefabricated components suspension hook and hanging ring
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476407.4A CN110106896A (en) | 2019-06-03 | 2019-06-03 | A kind of prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of slope reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476407.4A CN110106896A (en) | 2019-06-03 | 2019-06-03 | A kind of prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of slope reinforcement |
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| Publication Number | Publication Date |
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| CN110106896A true CN110106896A (en) | 2019-08-09 |
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| CN201910476407.4A Pending CN110106896A (en) | 2019-06-03 | 2019-06-03 | A kind of prefabricated card slot type anchor pier lattice girder construction and assembling constructing method of slope reinforcement |
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| CN111519630A (en) * | 2020-04-14 | 2020-08-11 | 建研地基基础工程有限责任公司 | Flexible surface layer assembly type soil nailing wall structure of foundation pit slope and construction method thereof |
| CN111676980A (en) * | 2020-06-01 | 2020-09-18 | 重庆弘粟建筑科技有限公司 | Foundation pit supporting construction method |
| CN111705795A (en) * | 2020-06-22 | 2020-09-25 | 南华大学 | Prefabricated anchor pier for slope reinforcement and post-cast lattice beam assembly integral construction method |
| CN111733824A (en) * | 2020-06-04 | 2020-10-02 | 中国化学工程第六建设有限公司 | Deep foundation pit supporting structure |
| CN111794247A (en) * | 2020-07-28 | 2020-10-20 | 广东万信建设工程科技有限公司 | Foundation pit supporting structure and construction method thereof |
| CN111910662A (en) * | 2020-09-07 | 2020-11-10 | 辽宁工程技术大学 | Prefabricated alternate tooth whisker lattice and anchor rod structure and construction method thereof |
| CN111926777A (en) * | 2020-08-26 | 2020-11-13 | 河南省中宇农业农村规划设计院有限公司 | Ecological slope protection building block, building block connecting piece, building block embedded part and ecological slope protection |
| CN111962556A (en) * | 2020-09-16 | 2020-11-20 | 四川省交通勘察设计研究院有限公司 | Permanent temporary combined retaining wall structure rapidly assembled on site and construction method |
| CN112095633A (en) * | 2020-08-26 | 2020-12-18 | 浙江佳途勘测设计有限公司 | Construction process of die-free concrete beam |
| CN113463664A (en) * | 2021-07-07 | 2021-10-01 | 大连理工大学 | Cellular assembled lattice beam slope protection structure of dry joint |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519630A (en) * | 2020-04-14 | 2020-08-11 | 建研地基基础工程有限责任公司 | Flexible surface layer assembly type soil nailing wall structure of foundation pit slope and construction method thereof |
| CN111676980A (en) * | 2020-06-01 | 2020-09-18 | 重庆弘粟建筑科技有限公司 | Foundation pit supporting construction method |
| CN111733824A (en) * | 2020-06-04 | 2020-10-02 | 中国化学工程第六建设有限公司 | Deep foundation pit supporting structure |
| CN111705795A (en) * | 2020-06-22 | 2020-09-25 | 南华大学 | Prefabricated anchor pier for slope reinforcement and post-cast lattice beam assembly integral construction method |
| CN111794247A (en) * | 2020-07-28 | 2020-10-20 | 广东万信建设工程科技有限公司 | Foundation pit supporting structure and construction method thereof |
| CN111926777A (en) * | 2020-08-26 | 2020-11-13 | 河南省中宇农业农村规划设计院有限公司 | Ecological slope protection building block, building block connecting piece, building block embedded part and ecological slope protection |
| CN112095633A (en) * | 2020-08-26 | 2020-12-18 | 浙江佳途勘测设计有限公司 | Construction process of die-free concrete beam |
| CN111926777B (en) * | 2020-08-26 | 2022-04-08 | 河南省中宇农业农村规划设计院有限公司 | Ecological slope protection |
| CN111910662A (en) * | 2020-09-07 | 2020-11-10 | 辽宁工程技术大学 | Prefabricated alternate tooth whisker lattice and anchor rod structure and construction method thereof |
| CN111962556A (en) * | 2020-09-16 | 2020-11-20 | 四川省交通勘察设计研究院有限公司 | Permanent temporary combined retaining wall structure rapidly assembled on site and construction method |
| CN113463664A (en) * | 2021-07-07 | 2021-10-01 | 大连理工大学 | Cellular assembled lattice beam slope protection structure of dry joint |
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