CN109881690A - A kind of high thickness slope concrete of wide-angle pours grid - Google Patents
A kind of high thickness slope concrete of wide-angle pours grid Download PDFInfo
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- CN109881690A CN109881690A CN201910242161.4A CN201910242161A CN109881690A CN 109881690 A CN109881690 A CN 109881690A CN 201910242161 A CN201910242161 A CN 201910242161A CN 109881690 A CN109881690 A CN 109881690A
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Abstract
The invention discloses a kind of high thickness slope concretes of wide-angle to pour grid, which is made of mesh sheet and support installation system；Installation system is supported to be laid with along slope surface, mesh sheet uses zinc-plated electric welding steel wire；Slope concrete structural thickness subtracts protective layer thickness up and down and upper and lower level bar diameter is grid width; the spacing that mesh sheet is placed is determined by the vertical range of zinc-coated wire mesh sheet theoretical maximum resistance ash quantity horizontal plane and slope surface crosspoint to mesh sheet; mesh sheet is set more preferably to hinder ash, control concrete slips by slope phenomenon.According to live slope structure, the limitation of the concreting slump limit, pouring sequence and dividing concrete two layers for concrete is poured, and every layer of vertical filter is arranged, left-right parts is divided to pour.When making concreting, no large area, high pressure pours phenomenon, makes slope stability.The problems such as reduction operating personnel's workload increases, speed of application is slow, low efficiency, claim for eot.
Description
Technical field
The present invention relates to water conservancy, municipal works field, specifically a kind of high thickness slope concrete of wide-angle pours lattice
Net.
Background technique
Wide-angle, the armored concrete slope surface of Gao Houdu are frequently encountered in water conservancy, the construction of municipal works slope surface, is being constructed
In the process since the gradient is steep, slope surface thickness is larger, and concrete is difficult to control along slope aspect flowing, and concrete is being constructed because of gravity
In a large amount of stream pendant, the problems such as, poor flatness exposed so as to cause reinforcing bar, bottom superelevation, waste of material.Secondly, the coagulation of stream pendant
Soil needs construction personnel's Secondary Transport, causes operating personnel's workload to increase, speed of application is slow, low efficiency, the extension duration.
Chinese patent 201520724556.5 discloses a kind of steel suitable for opencut wedge shape sliding notch repairing construction
Structural body, it is that the L shape oblique pull anchor pole arranged from top to bottom by several rows is combined with slope surface steel mesh and constituted；The slope surface
Steel mesh is fixed to ... by welding in the anchor bar section of L shape oblique pull anchor pole, and the casting concrete in wedge-shaped indentation makes
Rock mass, L shape oblique pull anchor pole, slope surface steel mesh pour as integrated overall structure in side slope.It is constructed using the structure, it can
Restore stope step road surface, effectively make up road disruption caused by stope rectangular sliding body and leveling slope surface, is side slope frame
Reinforcing of setting a roof beam in place provides necessary precondition.
Chinese patent 201410426471.9 is related to a kind of railway embankment antiscour safeguard structure and its construction method along the river.
Along the river along river valley advance railway, due to water flow to the scour of concave bank roadbed than more serious, threaten to traffic safety.From river
Bottom to road shoulder sets gradually anti-wash in a pan in river bed and loses facility, embankment gear shield facility and slope protection facility；Prevent that washing in a pan erosion facility includes in river bed
Crown beam, gabion, campshed and platform；Embankment gear shield facility includes the retaining wall of piece stone concrete, is covered upwards from the platform of slope foot
Slope surface；Slope protection facility includes building slabstone slope protection and skeleton slope protection, successively covers the slope surface above retaining wall.This method can
The railway operation safety that effective guarantee is advanced along river valley.
Synthesis about wide-angle, the armored concrete slope surface of Gao Houdu and is in the prior art to see effective technical treatment
Means, therefore, designing a kind of high thickness slope concrete of wide-angle, to pour grid very necessary.
Summary of the invention
In order to solve this construction Difficulties, the purpose of the present invention is taking the dispersion of layering, piecemeal to pour measure, reduce big
Height difference when the high thickness slope concrete of angle pours while a kind of grid of control slope concrete stream pendant being provided and its is applied
Work method.
The technical solution adopted by the present invention to solve the technical problems is: a kind of high thickness slope concrete of wide-angle pours
Grid, the grid are made of mesh sheet and support installation system；Installation system is supported to be laid with along slope surface, mesh sheet uses zinc-plated electricity
Welding steel silk screen 1；The top for supporting installation system is cross-brace reinforcing bar 2, and the lower part of support installation system is support base 4, horizontal
It is connected to bearing rod 3 is passed through between spacer bar 2 and support base 4, the support base 4 of support installation system uses right angle trigonometry
Supporting form, on the right-angle side of support base 4, each zinc-plated electric welding steel wire 1 is installed on slope for zinc-plated electric welding steel wire 1 binding
Between the structure upper and lower level reinforcing bar of face.The angle for being directed to construction slope surface determines each zinc-plated 1 placement location of electric welding steel wire, each
The placement spacing spacing of zinc-plated electric welding steel wire 1 is equal to slope surface thickness/slope ratio.Lower-layer concrete 6 is laid in construction slope surface, on
Layer concrete 5 is laid in lower-layer concrete 6.Upper layer concrete 5, lower-layer concrete 6 pour mesh sheet and support installation system
In in construction slope surface.
According to the size of aggregate partial size, the specification of zinc-plated electric welding steel wire is string diameter 0.7mm, aperture 12mm, root
It is not less than the reinforcing bar of 22mm using diameter according to the reinforcing bar of " concrete for hydraulic structure reinforcement construction specification " support installation system.
Zinc-plated 1 width of electric welding steel wire is equal to slope concrete structural thickness and subtracts layer concrete 5, lower-layer concrete 6
With the bar diameter of support installation system.
It is the maximum blocking amount plane of zinc-plated electric welding steel wire 1 and slope surface intersection point to plating that spacing, which is arranged, in zinc-plated electric welding steel wire 1
Zinc is welded the vertical range of steel wire 1, and is not less than 0.5m.
Position controls weak part for flatness among slope surface, recess situation easily occurs, to the zinc-plated of slope surface centre position
Electric welding steel wire 1 is encrypted, and left and right is staggered, centre overlapping tooth form arrangement.The arrangement form of zinc-plated electric welding steel wire 1 is slope
1m interlaced arrangement is overlapped among face.
If slope structure is thicker in engineering, primary concreting molding difficulty is larger, by concreting in lifts, upper layer coagulation
Soil pours thickness not less than 20cm, and lower-layer concrete pours thickness no more than 30cm.
The invention has the advantages that a kind of high thickness slope concrete of wide-angle of the present invention pours the pre-buried mesh sheet of grid
Component, which is used, to be installed zinc-coated wire mesh sheet zinc steel fabric sheet in traditional slope surface and can be effectively prevented and slip by slope, effectively control coagulation
Soil thickness and dosage.Take layering simultaneously, the dispersion of piecemeal pours measure, reduce height difference of slope concrete when pouring, effectively
Control the mobility of concrete, thus solve slip by slope caused by reinforcing bar is exposed, poor flatness, bottom superelevation, material wave
The problems such as taking.Pre-buried mesh sheet optimization casting craft improves the stability of slope concrete quality, reduces what concrete slipped by slope
Problem is conducive to construction speed.By the change of technique, reduce construction personnel and manually repair slope, reduces constructing operation difficulty,
To reduce time and the working strength of construction personnel's operation, construction efficiency greatly improved.To reduce difficulty of construction and
Workload saves labour cost.The present invention reduces the waste of concrete, engineering is secondary does over again, and saves operating expenses.
Detailed description of the invention
Fig. 1 is that grid processing dimension calculates schematic diagram.
Fig. 2 is that pattern schematic diagram is processed in support installation system (bearing rod).
Fig. 3 is that mesh sheet binds the schematic diagram on bearing rod.
Fig. 4 is that mesh sheet overlaps schematic diagram.
Fig. 5 is grid spacing installation warrants schematic diagram.
Fig. 6 is grid plan view.
Fig. 7 is that grid pedestal binds schematic diagram.
Fig. 8 is that slope concrete pours schematic diagram.
Fig. 9 is that slope surface pours tiled configuration schematic diagram.
Figure 10 is the structural schematic diagram of this grid.
In figure: 1, zinc-plated electric welding steel wire, 2, cross-brace reinforcing bar, 3, bearing rod, 4, support base, 5, upper layer coagulation
Soil, 6, lower-layer concrete.
Specific embodiment
The specific implementation of grid of the present invention is further described with reference to the accompanying drawings of the specification.
The processing dimension L=H-2*d1-2*d2-2*d3, d: mesh sheet processing dimension of grid are determined according to drawing first, h:
Slope surface thickness, d1: protective layer thickness, d2: vertical muscle thickness, d3: transverse bar thickness), as shown in Figure 1.
It is cut according to above-mentioned slide ruler little progress row mesh sheet and support system, that is, bearing rod processing, bearing rod processes pattern, on
Portion is transverse steel, and lower part is that right angle trigonometry supports, gusseted spacing d=0.2m, specifically in detail as shown in Figure 2.
Then by the steel wire cut binding on bearing rod gusseted right-angle side, binding spacing is supported with bearing rod
Bar spacing, up and down one of each binding.As shown in Figure 3.
When steel wire length is inadequate, overlap joint processing, the lap of splice >=0.2m need to be carried out, and multiple spot binding is secured.Such as Fig. 4
It is shown.
Grid carries out structure reinforcing bars binding after processing is completed, while installing grid, and grid setting spacing sets for it
Set foundation, W=H/tgA, as shown in Figure 5.
Position is that flatness controls weak part among slope surface, recess situation easily occurs, to position filter among slope surface into
Encryption is gone, left and right is staggered, centre overlapping tooth form arrangement.Filter encrypts the flowing that can preferably block concrete, prevents slope
There is concrete loss in face, generates slope surface recess situation.Mesh sheet, which is staggered, is overlapped the distribution of 1m tooth form, as shown in Figure 6.
For the stability for guaranteeing bearing rod, bearing rod trivet bottom muscle is bound on structure bottom reinforcing bar, using double
Stock ties up silk binding twice, keeps its binding secured.As shown in Figure 7.
Because slope structure is thicker in engineering, it is larger that primary concreting forms difficulty, therefore by concreting in lifts, surface layer
Thickness is poured not less than 20cm, lower layer pours thickness no more than 30cm.As shown in Figure 8.
Every layer of vertical filter, which is arranged, divides left-right parts to pour.Concreting is vibrated on the left of bottom, concrete on the right side of bottom
It pours and vibrates, concreting is vibrated on the left of surface layer, and right side concreting is vibrated, the leveling of left side concrete, right side concrete
Face is received in leveling, left side, and face, maintenance are received in right side.It should be specifically noted that upper layer concrete casting need to the casting before bottom concrete initial set
It completes.When making concreting, no large area, high pressure pours phenomenon, makes slope stability.As shown in Figure 9.
The construction method of grid mounting arrangements, this method include mesh sheet and its support installation system processing and fabricating form,
The spacing and horizontal layout form of arrangement.
The first step, the cut size and bearing rod processing dimension that mesh sheet is determined according to design drawing, carry out mesh sheet cut and
Bearing rod processing；
Second step binds mesh sheet on bearing rod, in case using when structure reinforcing bars binding；
Third step, the spacing that grid installation is calculated according to the gradient of slope surface；
4th step determines grid horizontal layout form according to engineering characteristic；
5th step, binding structure lower layer reinforcing bar, then bind grid, finally bind top bars.
Figure 10 is structural schematic diagram of the invention.
Claims (10)
1. a kind of high thickness slope concrete of wide-angle pours grid, it is characterised in that: the grid is pacified by mesh sheet and support
Dress system composition；Installation system is supported to be laid with along slope surface, mesh sheet uses zinc-plated electric welding steel wire (1)；Support the upper of installation system
Portion is cross-brace reinforcing bar (2), and the lower part of support installation system is support base (4), cross-brace reinforcing bar (2) and support base
(4) it is connected between by bearing rod (3), the support base (4) of support installation system uses right angle trigonometry supporting form, zinc-plated electricity
Welding steel silk screen (1) is bound on the right-angle side of support base (4), and each zinc-plated electric welding steel wire (1) is installed on slope structure
Between lower layer's reinforcing bar；The angle for being directed to construction slope surface determines each zinc-plated electric welding steel wire (1) placement location, each zinc-plated electricity
The placement spacing spacing of welding steel silk screen (1) is equal to slope surface thickness/slope ratio；Lower-layer concrete (6) is laid in construction slope surface, upper layer
Concrete (5) is laid on lower-layer concrete (6)；Upper layer concrete (5), lower-layer concrete (6) by mesh sheet and support fixing body
System pours in construction slope surface.
2. the high thickness slope concrete of a kind of wide-angle according to claim 1 pours grid, it is characterised in that: according to
The specification of the size of aggregate partial size, zinc-plated electric welding steel wire is string diameter 0.7mm, aperture 12mm, supports installation system
Reinforcing bar is not less than the reinforcing bar of 22mm using diameter.
3. the high thickness slope concrete of a kind of wide-angle according to claim 1 pours grid, it is characterised in that: zinc-plated
Electric welding steel wire (1) width is equal to slope concrete structural thickness and subtracts layer concrete (5), lower-layer concrete (6) and support
The bar diameter of installation system.
4. the high thickness slope concrete of a kind of wide-angle according to claim 1 pours grid, it is characterised in that: zinc-plated
Being welded steel wire (1) setting spacing is the maximum blocking amount plane of zinc-plated electric welding steel wire (1) and slope surface intersection point to zinc-plated electric welding steel
The vertical range of silk screen (1), and it is not less than 0.5m.
5. the high thickness slope concrete of a kind of wide-angle according to claim 1 pours grid, it is characterised in that: to slope
The zinc-plated electric welding steel wire (1) at position is encrypted among face, and left and right is staggered, centre overlapping tooth form arrangement；Zinc-plated electric welding steel
The arrangement form of silk screen (1) is that 1m interlaced arrangement is overlapped among slope surface.
6. the high thickness slope concrete of a kind of wide-angle according to claim 1 pours grid, it is characterised in that: if slope
Face structure primary concreting molding difficulty is big, and by concreting in lifts, concreting thickness in upper layer is not less than 20cm, lower layer
Concreting thickness is not more than 30cm.
7. the mounting arrangements construction method that a kind of high thickness slope concrete of wide-angle pours grid, it is characterised in that: including
Mesh sheet and its support installation system processing and fabricating form, the spacing of arrangement and horizontal layout form；
The first step, the cut size and bearing rod processing dimension that mesh sheet is determined according to design drawing carry out mesh sheet cutting and erection
Muscle processing；
Second step binds mesh sheet on bearing rod, in case using when structure reinforcing bars binding；
Third step, the spacing that grid installation is calculated according to the gradient of slope surface；
4th step determines grid horizontal layout form according to engineering characteristic；
5th step, binding structure lower layer reinforcing bar, then bind grid, finally bind top bars；
Every layer of vertical filter, which is arranged, divides left-right parts to pour.Concreting is vibrated on the left of bottom, concreting on the right side of bottom
It vibrates, concreting is vibrated on the left of surface layer, and right side concreting is vibrated, the leveling of left side concrete, the leveling of right side concrete,
Face is received in left side, and face, maintenance are received in right side.It should be specifically noted that upper layer concrete casting need to before bottom concrete initial set casting complete.
When making concreting, no large area, high pressure pours phenomenon, makes slope stability.
8. the mounting arrangements construction party that the high thickness slope concrete of a kind of wide-angle according to claim 7 pours grid
Method, it is characterised in that: the processing pattern of first step bearing rod, upper part are transverse steel, and lower support pedestal is right angle trigonometry
Shape.
9. the mounting arrangements construction party that the high thickness slope concrete of a kind of wide-angle according to claim 7 pours grid
Method, it is characterised in that: install mesh sheet on second step bearing rod right-angle side, upper, support fixing body ties up to down mesh sheet, binds up and down
Mesh sheet keeps its smooth securely.
10. the mounting arrangements construction that the high thickness slope concrete of a kind of wide-angle according to claim 7 pours grid
Method, it is characterised in that: spacing is arranged in third step grid, arrives according to for grid maximum blocking amount plane with slope surface intersection point
The distance of grid is arranged grid with the half of this distance, and spacing is arranged is not less than 0.5m；
4th step horizontal layout；Grid is staggeredly arranged using intermediate overlapping.
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| CN201910242161.4A CN109881690A (en) | 2019-03-28 | 2019-03-28 | A kind of high thickness slope concrete of wide-angle pours grid |
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| CN201910242161.4A CN109881690A (en) | 2019-03-28 | 2019-03-28 | A kind of high thickness slope concrete of wide-angle pours grid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114045872A (en) * | 2021-11-25 | 2022-02-15 | 武汉一冶建筑安装工程有限责任公司 | Cable trench U-shaped bottom plate one-time pouring system and construction method thereof |
| CN114482054A (en) * | 2022-01-07 | 2022-05-13 | 北京城建五建设集团有限公司 | Inclined surface mattress layer pouring mold system and construction method |
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| CN209816876U (en) * | 2019-03-28 | 2019-12-20 | 北京天恒建设集团有限公司 | Wide-angle high-thickness slope concrete pouring grid net |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114045872A (en) * | 2021-11-25 | 2022-02-15 | 武汉一冶建筑安装工程有限责任公司 | Cable trench U-shaped bottom plate one-time pouring system and construction method thereof |
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