CN109403170A - Abrupt slope road and its construction method - Google Patents

Abrupt slope road and its construction method Download PDF

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Publication number
CN109403170A
CN109403170A CN201811269820.5A CN201811269820A CN109403170A CN 109403170 A CN109403170 A CN 109403170A CN 201811269820 A CN201811269820 A CN 201811269820A CN 109403170 A CN109403170 A CN 109403170A
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CN
China
Prior art keywords
road
cantilever beams
abrupt slope
slope
soil
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.)
Pending
Application number
CN201811269820.5A
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Chinese (zh)
Inventor
康承磊
谢淼
裴利华
徐永浩
贺敏杰
张健
李晓娜
焦世杰
杨昆
王海蝶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Siyuan Survey and Design Group Co Ltd
Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
China Railway Siyuan Survey and Design Group Co Ltd
Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Siyuan Survey and Design Group Co Ltd, Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd filed Critical China Railway Siyuan Survey and Design Group Co Ltd
Priority to CN201811269820.5A priority Critical patent/CN109403170A/en
Publication of CN109403170A publication Critical patent/CN109403170A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00Foundations for pavings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E01C1/002Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00Special pavings; Pavings for special parts of roads or airfields
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/207Securing of slopes or inclines with means incorporating sheet piles or piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • E02D27/14Pile framings, i.e. piles assembled to form the substructure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The present invention relates to abrupt slope construction building technical field of structures, provide a kind of abrupt slope road and its construction method, the abrupt slope road includes: that one section of steep slope of several friction piles and friction pile exposing are provided on abrupt slope, the upper end of the friction pile is provided with the Cantilever Beams and balance plate being arranged at an equal altitude, and the Cantilever Beams and the balance plate are located at two opposite sides of the friction pile;It is provided with the breast boards arranged vertically between the adjacent friction pile, soil body back filled region is formed by the breast boards and the balance plate;Parallel not contour two-way framing road is constructed by the Cantilever Beams and the soil body back filled region.The abrupt slope road structure is light and handy, and steep slope topography is adaptable, for mountain area steep slope region create road or reorganization and expansion road or increase build ride parallel, pavement, the green road of landscape etc., with good popularization and application foreground and social economic value.

Description

Abrupt slope road and its construction method
Technical field
The present invention relates to abrupt slope construction building technical field of structures, more particularly to a kind of abrupt slope road and its construction party Method.
Background technique
Existing steep slope region, roadway travel are substantially divided to two kinds of the forms of road cross section: one is parallel contour two-way streets Road form of fracture, one is not contour two-way framing road section forms parallel.
The former, which will appear the situation that inside cut slope is high, amount of excavation is big and amount of fill big side slope of embankment in outside is high, occurs, High Cut Slope traditional at present often uses the structure types such as high gravity retaining wall, pile plate wall, but is constrained to its supporting and retaining system Ability, often retaining wall highest does not exceed 8m, and pile plate wall does not exceed 10m, the even feelings of Prestressing anchor cable generally yet Under condition, pile plate wall is not more than 15m, and lower block is generally not more than 10m using balance weight retaining wall, then it is high if need Staking base beam or cushion cap, or pile plate wall is used, or even need to change into type of bridge, nonetheless, it can also greatly increase sign The area and expense that ground is removed increase the degree of soil erosion and generate landslide and slip the geological disaster risk collapsed;
If land area can be effectively reduced using the latter, the risk of soil erosion and Landslide Hazards is reduced, still Need to increase the retaining between upper and lower framing road, though have significantly than parallel contour road section form on the whole Advantage, but construction investment scale may not be reduced or be reduced not enough obviously.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of abrupt slope road and its construction methods, it is intended at least the solution prior art or correlation One of technical problem present in technology.
(2) technical solution
In order to solve the above-mentioned technical problem, in a first aspect, it includes: to be arranged on abrupt slope that the present invention, which provides a kind of abrupt slope road, There is several friction piles and the friction pile to expose one section of steep slope, the upper end of the friction pile be provided be arranged at an equal altitude it is outstanding Outrigger and balance plate, the Cantilever Beams and the balance plate are located at two opposite sides of the friction pile;In adjacent institute The breast boards for being provided between friction pile and arranging vertically is stated, soil body back filled region is formed by the breast boards and the balance plate; Parallel not contour two-way framing road is constructed by the Cantilever Beams and the soil body back filled region.
Wherein, the first road is constructed in the upper surface of the soil body back filled region.
Wherein, the abrupt slope more than first pavement of road is provided with the long anchor pole for permanently reinforcing;It is located at The first pavement of road abrupt slope below is provided with the Short bolt for provisional reinforcing.
Wherein, prefabricated board is laid on two adjacent Cantilever Beams to construct the second road.
Wherein, the pier stud placed vertically is provided with below the Cantilever Beams, the pier stud is used to support the Cantilever Beams.
Wherein, raker beam is provided with below the Cantilever Beams, the raker beam is used to support the Cantilever Beams.
Second aspect, the present invention provide a kind of construction method of abrupt slope road as described above, comprising: open on abrupt slope Several stake holes are dug, the stake holes is goed deep into abrupt slope, and the steel bar column of size up to specification is placed in the stake holes, forms antiskid Stake skeleton, the steel bar column expose one section of steep slope, and overhanging beam steel peace weighing apparatus slab muscle is arranged in the steel bar column upper end, Breast boards reinforcing bar is set between the adjacent steel bar column;
The friction pile skeleton, the overhanging beam steel, the balance plate reinforcing bar and the earth-retaining integral to connection Slab muscle is poured concrete, and it is mixed to form reinforced concrete anti-slide pile, reinforced concrete Cantilever Beams, armored concrete balance plate and reinforcing bar Solidifying soil breast boards;
Soil body back filled region is formed by the armored concrete breast boards and the armored concrete balance plate, to the soil Body back filled region is banketed, and constructs parallel not contour two-way framing road by the armored concrete Cantilever Beams and the soil body back filled region Road.
Wherein, using the pumping mode friction pile skeleton integral to connection, the overhanging beam steel, the balance Slab muscle and the breast boards reinforcing bar are poured concrete.
Wherein, before excavating the stake holes, first cut slope to form the area Xiao Po, in the bottom end in the area Xiao Po to abrupt slope Excavate the stake holes.
Wherein, described not contour two-way point parallel by the armored concrete Cantilever Beams and soil body back filled region building Width road specifically: the first road is constructed in the upper surface of the soil body back filled region, in two adjacent armored concrete Prefabricated board is laid on Cantilever Beams to construct the second road.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of abrupt slope road provided by the invention and its construction method fill out excavation to reduce, using not contour framing parallel The forms of road cross section, between upper width road and lower width road be arranged share friction pile;To reduce the lower block of lower width road very To bridge structure form, the friction pile between framing road is made full use of, add balance plate and connects the Cantilever Beams of friction pile pile body, It is laid with prefabricated board on Cantilever Beams, applies road surface structare layer on prefabricated board, it is the plate load of Cantilever Beams and upper part, pedestrian's load, non- Motor vehicle load is balanced by balance plate and upper part filled load, and the equilibrium load area of balance plate is according to required offer The equilibrant force that generates of filled slope it is determining and reserve a certain amount of safety stock.The abrupt slope road and steep slope region are contour parallel Road structure form is compared, and is significantly reduced cut slope height, is reduced lower block scale and difficulty, reduction bridge accounting, in native stone Advantage is significant in terms of side, gear shield quantity of masonry, sign land scale;Compared with not contour double lower block road structure forms parallel, significantly Width highway cut slope height, amount of excavation and supporting and retaining system scale in reduction save lower width road supporting and retaining system measure, reduce bridge accounting, Advantage is significant in terms of the cubic metre of earth and stone, gear shield quantity of masonry, sign land scale;Compared with midway half-bridge road structure form, advantage is more Add obviously, directly reduction bridge accounting, significantly reduces investment cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of abrupt slope road of the embodiment of the present invention;
Fig. 2 is a kind of longitudinal top view of abrupt slope road of the embodiment of the present invention;
Fig. 3 is the structural schematic diagram of another kind of embodiment of the present invention abrupt slope road;
Fig. 4 is the structural schematic diagram of another abrupt slope road of the embodiment of the present invention;
In figure: the abrupt slope 1-;2- friction pile;3- Cantilever Beams;4- balance plate;5- armpit;6- long anchor pole;7- Short bolt;The 8- soil body Back filled region;The first road of 9-;10- breast boards;11- prefabricated board;12- pier stud;13- raker beam.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected or can communicate each other;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
From urban landscape angle, original and different rail traffic structure design can increase one of beautiful landscape to city Line, the image for becoming city represent.Currently, whole world model with city rail traffic route in, elevated line account for about half with On.Using overhead mode lay in low freight volume urban track traffic, three-dimensional, dynamic urban landscape can be become, and entirely Face transportation network and the combination of other urban landscapes are deposited together, and the innervation and aesthetic feeling in city can be increased.
Fig. 1 be a kind of structural schematic diagram of abrupt slope road of the embodiment of the present invention, as shown in Figure 1, the abrupt slope road include: Several friction piles 2 are provided on abrupt slope 1, and friction pile 2 exposes one section of steep slope, the upper end of friction pile 2 is provided with contour The Cantilever Beams 3 and balance plate 4 of arrangement, Cantilever Beams 3 and balance plate 4 are located at two opposite sides of friction pile 2;Adjacent anti- It is provided with the breast boards 10 arranged vertically between sliding pile 2, soil body back filled region 8 is formed by breast boards 10 and balance plate 4;By outstanding Outrigger 3 and soil body back filled region 8 construct parallel not contour two-way framing road.
In the present embodiment, hillside slope angle is steeper where the job location of general abrupt slope road, and general heavy equipment is difficult to It constructs, sets up artificial construction's chain-wales using place is manually entered, first carry out the construction of friction pile 2, mentioned using friction pile 2 It for vertical bearing capacity, and can provide resistance horizontal bearing capacity, and antiskid and monolithic stability ability be provided.
In the present embodiment, before the stake holes for excavating friction pile 2, first cut slope to abrupt slope to form the area Xiao Po, cutting Excavate stake holes in the bottom end in slope area.Stake holes is vertically goed deep into abrupt slope, and the spacing of adjacent stake holes is the diameter of 2-5 times of stake holes.In stake holes The middle steel bar column for placing size up to specification forms friction pile skeleton, and steel bar column exposes one section of steep slope, in steel bar column upper end Setting overhanging beam steel peace weighing apparatus slab muscle, overhanging beam steel, balance plate reinforcing bar and steel bar column are wholely set, in adjacent reinforcing bar Breast boards reinforcing bar is set between column;
It is poured concrete to integral friction pile skeleton, overhanging beam steel, balance plate reinforcing bar and breast boards reinforcing bar is connected, Form reinforced concrete anti-slide pile, reinforced concrete Cantilever Beams, armored concrete balance plate and armored concrete breast boards;
Soil body back filled region is formed by armored concrete breast boards and armored concrete balance plate, soil body back filled region is filled out Soil constructs parallel not contour two-way framing road by armored concrete Cantilever Beams and soil body back filled region.
In the present embodiment, excavation is filled out to reduce, using the forms of road cross section of not contour framing parallel, upper width road It is arranged between lower width road and shares friction pile;For the lower block even bridge structure form for reducing lower width road, make full use of point Friction pile between width road adds balance plate and connects the Cantilever Beams of friction pile pile body, is laid with prefabricated board, prefabricated board on Cantilever Beams On apply road surface structare layer, the plate load of Cantilever Beams and upper part, pedestrian's load, non-motor vehicle load are by balance plate and upper part Filled load balances, and the equilibrium load area of balance plate is determined according to the equilibrant force that required filled slope to be offered generates And reserve a certain amount of safety stock.The abrupt slope road significantly reduces compared with steep slope region parallel contour road structure form Cut slope height reduces lower block scale and difficulty, reduces bridge accounting, in the cubic metre of earth and stone, gear shield quantity of masonry, sign land scale side Face advantage is significant;Compared with not contour double lower block road structure forms parallel, width highway cut slope height, digging in significant decrease Side's amount and supporting and retaining system scale, save lower width road supporting and retaining system measure, reduce bridge accounting, in the cubic metre of earth and stone, gear shield quantity of masonry, advise to requisition Advantage is significant in terms of mould;Compared with midway half-bridge road structure form, advantage is more obvious, directly reduction bridge accounting, significantly Reduce investment cost.
In addition, according to an embodiment of the invention, the upper surface in soil body back filled region 8 constructs the first road 9.
In the present embodiment, the first road 9 from bottom to top includes: base layer, metalling, the first concrete layer, the first glass Fibre web layer of cloth, the second concrete layer, the second glass scrim layer and asphalt surface course, are arranged between asphalt surface course and the first concrete layer There is vertical reinforcing rib, the thickness of asphalt surface course is 2.4 times of the second concrete layer thickness;
Spacing between each reinforcing rib is equal, and the surface density of the first glass scrim layer and the second glass scrim layer is equal, First glass scrim layer be it is axial compound for 0 ° and 90 ° of fiberglass layer, the second glass scrim layer is axial to answer for 45 ° with -45 ° It closes;The thickness of first concrete layer and the second concrete layer is equal, and the thickness of base layer is 4 times of asphalt surface course thickness, matrix Layer is made of special cement material, and the intensity after solidification is 3 times of ordinary cement;The bottom of base layer also can be set into sharp Rough shape, be conducive to base layer and the upper surface for the soil body back filled region 8 for being located at lower layer combined closely.
For guarantee pile body construction safety and upper width highway cut side slope permanent safety, be located at 9 road surface of the first road with On abrupt slope be provided with the long anchor pole 6 for permanently reinforcing;It is provided with positioned at 9 road surface of the first road abrupt slope below for facing The Short bolt 7 that when property is reinforced.
In addition, according to an embodiment of the invention, as shown in Fig. 2, on two adjacent Cantilever Beams 3 be laid with prefabricated board 11 with Construct the second road.
In the present embodiment, the road surface unit that second routes multiple arrangements is laid with, and each road surface unit includes 4 pieces Prefabricated board, four prefabricated boards form a road surface unit using steel hinge line, and the two sides of prefabricated board are provided with to be twisted for placing steel The duct of line passes through steel strand wires between adjacent prefabricated board and connects.In order to preferably increase intensity, four sides of prefabricated board are respectively provided with With the duct for placing steel strand wires, connected between adjacent prefabricated board by steel strand wires, result in formation of each piece of prefabricated boards all There are 3 to 4 steel strand wires connections, enhances road surface unit overall stability;
Prefabricated board is prefabricated in processing factory, and it is assembled to be transported to construction site positioning.Prefabricated board geometric dimension, according to design requirement Number of track-lines and design grade determine.To the higher concrete road surface of design grade, before laying should in conjunction with local engineering geology with Water wave related data is checked and is tested to whether its roadbed meets design document requirement according to related test stone, specification It receives.
Prefabricated board is made of armored concrete, and template can be used set shaped steel formwork, and when production should be noted reserving hole channel, anti- It cuts pre-buried key and inspection shaft openings position and size is accurate.Prefabricated board is divided into multiple models, so as to scale standardized production.Foundation Prefabricated board short side and the lenth ratio of long side are divided into multiple types, and each type is divided into multiple according to prefabricated board bond length Model;According to highway layout width, the auxiliary products of different model are selected to carry out assembled.
Prefabricated board between adjacent is also equipped with connection bond structure, connection bond structure include mutually matched shearing resistance convex key and Shearing resistance concave key.Connection bond structure has several, and uniform arrangement is mounted between two adjacent prefabricated boards;Two of prefabricated board Inner end is mounted on shearing resistance convex key, and the side for corresponding prefabricated board is equipped with shearing resistance concave key.Shearing resistance convex key and shearing resistance are recessed Key is embedded into prefabricated board side respectively, and is welded with anchor rib, secured and easy for installation.
One block of rubber slab is set between steel connecting plate band and prefabricated board contact surface.When prevention applies stress to steel hinge line, Road deck outer surface is caused to generate local damage.Rubber block is installed, rubber block is reserved in the gap between adjacent prefabricated board There is hole for install the hole for connecting bond structure and steel strand wires, so that it is integrally formed one and is flexible coupling, anti-extrusion effect is good, Play the role of expansion joint simultaneously.
In addition, according to an embodiment of the invention, Cantilever Beams 3, balance plate 4 and friction pile 2 are integral type connection structure.
It in the present embodiment, must be by Cantilever Beams and balance plate to guarantee the stressed effect between Cantilever Beams and balance plate Principal rod penetrates through friction pile skeleton;For the stressed effect for improving Cantilever Beams, armpit is added at the upper dog-ear of friction pile and Cantilever Beams 5。
In addition, according to an embodiment of the invention, being provided with railing in the upper surface of friction pile 2.
In the present embodiment, it in order to improve the safety of the first road 9 and the second road, is set in the upper surface of friction pile 2 Railing is equipped with to prevent personnel or vehicle from dropping to the second road from the first road 9.
Fig. 3 is the structural schematic diagram of another kind of embodiment of the present invention abrupt slope road, as shown in figure 3, the abrupt slope road includes: It is provided with several friction piles 2 on abrupt slope 1 and friction pile 2 exposes one section of steep slope, the upper end of friction pile 2 is provided with contour The Cantilever Beams 3 and balance plate 4 of arrangement, Cantilever Beams 3 and balance plate 4 are located at two opposite sides of friction pile 2, Cantilever Beams 3 Lower section be provided with the pier stud 12 placed vertically, pier stud 12 is used to support Cantilever Beams 3;It is vertical to be provided between adjacent friction pile The breast boards 10 of arrangement forms soil body back filled region 8 by breast boards 10 and balance plate 4;Pass through Cantilever Beams 3 and soil body back filled region 8 Construct parallel not contour two-way framing road.
In the present embodiment, excavation is filled out to reduce, using the forms of road cross section of not contour framing parallel, upper width road It is arranged between lower width road and shares friction pile;For the lower block even bridge structure form for reducing lower width road, make full use of point Friction pile between width road adds balance plate and connects the Cantilever Beams of friction pile pile body, is laid with prefabricated board, prefabricated board on Cantilever Beams On apply road surface structare layer, the plate load of Cantilever Beams and upper part, pedestrian's load, non-motor vehicle load by pier stud, balance plate and Balance plate top filled load balances, what the equilibrium load area of balance plate was generated according to required filled slope to be offered Equilibrant force is determining and reserves a certain amount of safety stock.The abrupt slope road and steep slope region contour road structure form phase parallel Than, significantly reduce cut slope height, reduce lower block scale and difficulty, reduce bridge accounting, the cubic metre of earth and stone, gear shield quantity of masonry, Advantage is significant in terms of levying land scale;Compared with not contour double lower block road structure forms parallel, width Road in significant decrease Moat slope height, amount of excavation and supporting and retaining system scale save lower width road supporting and retaining system measure, reduce bridge accounting, in the cubic metre of earth and stone, gear shield trowel used for plastering Advantage is significant in terms of work amount, sign land scale;Compared with midway half-bridge road structure form, advantage is more obvious, directly reduces Bridge accounting significantly reduces investment cost.
Fig. 4 is the structural schematic diagram of another abrupt slope road of the embodiment of the present invention, as shown in figure 4, the abrupt slope road includes: It is provided with several friction piles 2 on abrupt slope 1 and friction pile 2 exposes one section of steep slope, the upper end of friction pile 2 is provided with contour The Cantilever Beams 3 and balance plate 4 of arrangement, Cantilever Beams 3 and balance plate 4 are located at two opposite sides of friction pile 2, Cantilever Beams 3 Lower section be provided with raker beam 13, raker beam 13 is used to support Cantilever Beams 3;It is provided between adjacent friction pile and to arrange vertically Breast boards 10 forms soil body back filled region 8 by breast boards 10 and balance plate 4;Simultaneously by Cantilever Beams 3 and the building of soil body back filled region 8 Capable not contour two-way framing road.
In the present embodiment, excavation is filled out to reduce, using the forms of road cross section of not contour framing parallel, upper width road It is arranged between lower width road and shares friction pile;For the lower block even bridge structure form for reducing lower width road, make full use of point Friction pile between width road adds balance plate and connects the Cantilever Beams of friction pile pile body, is laid with prefabricated board, prefabricated board on Cantilever Beams On apply road surface structare layer, the plate load of Cantilever Beams and upper part, pedestrian's load, non-motor vehicle load are by raker beam, balance plate And balance plate top filled load balances, the equilibrium load area of balance plate is generated according to required filled slope to be offered Equilibrant force it is determining and reserve a certain amount of safety stock.The abrupt slope road and steep slope region contour road structure form phase parallel Than, significantly reduce cut slope height, reduce lower block scale and difficulty, reduce bridge accounting, the cubic metre of earth and stone, gear shield quantity of masonry, Advantage is significant in terms of levying land scale;Compared with not contour double lower block road structure forms parallel, width Road in significant decrease Moat slope height, amount of excavation and supporting and retaining system scale save lower width road supporting and retaining system measure, reduce bridge accounting, in the cubic metre of earth and stone, gear shield trowel used for plastering Advantage is significant in terms of work amount, sign land scale;Compared with midway half-bridge road structure form, advantage is more obvious, directly reduces Bridge accounting significantly reduces investment cost.
The embodiment of the present invention also provides a kind of construction method of abrupt slope road as described above, comprising: opens on abrupt slope Several stake holes are dug, stake holes is goed deep into abrupt slope, and the steel bar column of size up to specification is placed in stake holes, friction pile skeleton is formed, Steel bar column expose one section of steep slope, steel bar column upper end be arranged overhanging beam steel peace weigh slab muscle, adjacent steel bar column it Between be arranged breast boards reinforcing bar;
It is poured concrete to integral friction pile skeleton, overhanging beam steel, balance plate reinforcing bar and breast boards reinforcing bar is connected, Form reinforced concrete anti-slide pile, reinforced concrete Cantilever Beams, armored concrete balance plate and armored concrete breast boards;
Soil body back filled region is formed by armored concrete breast boards and armored concrete balance plate, soil body back filled region is filled out Soil constructs parallel not contour two-way framing road by armored concrete Cantilever Beams and soil body back filled region.
In the present embodiment, before the stake holes for excavating friction pile, first cut slope to abrupt slope to form the area Xiao Po, cutting slope Excavate stake holes in the bottom end in area.Stake holes is vertically goed deep into abrupt slope, and the spacing of adjacent stake holes is the diameter of 2-5 times of stake holes.Reinforced concrete The height of native breast boards can be configured according to actual needs.
In the present embodiment, hillside slope angle is steeper where the job location of general abrupt slope road, and general heavy equipment is difficult to It constructs, sets up artificial construction's chain-wales using place is manually entered, first carry out the construction of friction pile 2, mentioned using friction pile 2 It for vertical bearing capacity, and can provide resistance horizontal bearing capacity, and antiskid and monolithic stability ability be provided.Excavation is filled out to reduce, is adopted With the forms of road cross section of not contour framing parallel, it is arranged between upper width road and lower width road and shares friction pile;To reduce The lower block of lower width road even bridge structure form, makes full use of the friction pile between framing road, adds balance plate and connection is anti- The Cantilever Beams of sliding pile pile body are laid with prefabricated board on Cantilever Beams, road surface structare layer, the plate of Cantilever Beams and upper part are applied on prefabricated board Load, pedestrian's load, non-motor vehicle load are balanced by balance plate and upper part filled load, the equilibrium load face of balance plate Product is determining according to the equilibrant force that required filled slope to be offered generates and reserves a certain amount of safety stock.The abrupt slope road with Steep slope region parallel compare by contour road structure form, significantly reduces cut slope height, reduces lower block scale and difficulty, reduction Bridge accounting, advantage is significant in terms of the cubic metre of earth and stone, gear shield quantity of masonry, sign land scale;With not contour double lower block road knots parallel Configuration formula is compared, and width highway cut slope height, amount of excavation and supporting and retaining system scale in significant decrease are saved lower width road supporting and retaining system and arranged It applies, reduces bridge accounting, advantage is significant in terms of the cubic metre of earth and stone, gear shield quantity of masonry, sign land scale;With midway half-bridge road structure Form is compared, and advantage is more obvious, directly reduction bridge accounting, significantly reduces investment cost.
In addition, according to an embodiment of the invention, resisting to improve construction efficiency using pumping mode is integral to connection Sliding pile skeleton, overhanging beam steel, balance plate reinforcing bar and breast boards reinforcing bar are poured concrete.
In addition, according to an embodiment of the invention, being differed parallel by armored concrete Cantilever Beams and the building of soil body back filled region High two-way framing road specifically: the first road is constructed in the upper surface of soil body back filled region, in two adjacent armored concrete Prefabricated board is laid on Cantilever Beams to construct the second road.
For the permanent safety for guaranteeing pile body construction safety and upper width highway cut side slope, it is located at the first pavement of road or more Abrupt slope be provided with the long anchor pole for permanently reinforcing;It is provided with positioned at the first pavement of road abrupt slope below for provisional The Short bolt of reinforcing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of abrupt slope road characterized by comprising be provided with several friction piles on abrupt slope and the friction pile exposes One section of steep slope, the upper end of the friction pile is provided with the Cantilever Beams and balance plate being arranged at an equal altitude, Cantilever Beams and described Balance plate is located at two opposite sides of the friction pile;The gear arranged vertically is provided between the adjacent friction pile Native plate forms soil body back filled region by the breast boards and the balance plate;Pass through the Cantilever Beams and the soil body back filled region Construct parallel not contour two-way framing road.
2. abrupt slope road as described in claim 1, which is characterized in that constructed first in the upper surface of the soil body back filled region Road.
3. abrupt slope road as claimed in claim 2, which is characterized in that the abrupt slope setting more than first pavement of road There is the long anchor pole for permanently reinforcing;It is provided with positioned at the first pavement of road abrupt slope below for provisional reinforcing Short bolt.
4. abrupt slope road as described in claim 1, which is characterized in that be laid with prefabricated board on two adjacent Cantilever Beams To construct the second road.
5. abrupt slope road as described in claim 1, which is characterized in that be provided with the pier placed vertically below the Cantilever Beams Column, the pier stud are used to support the Cantilever Beams.
6. abrupt slope road as described in claim 1, which is characterized in that raker beam is provided with below the Cantilever Beams, it is described Raker beam is used to support the Cantilever Beams.
7. a kind of construction method of such as abrupt slope road as claimed in any one of claims 1 to 6 characterized by comprising
Several stake holes are excavated on abrupt slope, the stake holes is goed deep into abrupt slope, and size up to specification is placed in the stake holes Steel bar column forms friction pile skeleton, and the steel bar column exposes one section of steep slope, and overhanging joist steel is arranged in the steel bar column upper end Muscle and balance slab muscle, are arranged breast boards reinforcing bar between the adjacent steel bar column;
The friction pile skeleton, the overhanging beam steel, the balance plate reinforcing bar and the earth-retaining slab integral to connection Muscle is poured concrete, forms reinforced concrete anti-slide pile, reinforced concrete Cantilever Beams, armored concrete balance plate and armored concrete Breast boards;
Soil body back filled region is formed by the armored concrete breast boards and the armored concrete balance plate, the soil body is returned It fills out area to banket, parallel not contour two-way framing road is constructed by the armored concrete Cantilever Beams and the soil body back filled region.
8. construction method as claimed in claim 7, which is characterized in that using the pumping mode antiskid integral to connection Stake skeleton, the overhanging beam steel, the balance plate reinforcing bar and the breast boards reinforcing bar are poured concrete.
9. construction method as claimed in claim 7, which is characterized in that before excavating the stake holes, first carry out cutting slope to abrupt slope To form the area Xiao Po, the stake holes is excavated in the bottom end in the area Xiao Po.
10. construction method as claimed in claim 7, which is characterized in that described to pass through the armored concrete Cantilever Beams and institute It states soil body back filled region and constructs parallel not contour two-way framing road specifically: construct first in the upper surface of the soil body back filled region Road is laid with prefabricated board on two adjacent armored concrete Cantilever Beams to construct the second road.
CN201811269820.5A 2018-10-29 2018-10-29 Abrupt slope road and its construction method Pending CN109403170A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409241A (en) * 2019-08-13 2019-11-05 中电建十一局工程有限公司 A kind of reinforcing bar lattice column is in roadbed rapid construction application method
CN112095377A (en) * 2020-08-28 2020-12-18 中国建筑第八工程局有限公司 Off-pit construction road structure next to subway deep foundation pit and construction method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409241A (en) * 2019-08-13 2019-11-05 中电建十一局工程有限公司 A kind of reinforcing bar lattice column is in roadbed rapid construction application method
CN110409241B (en) * 2019-08-13 2021-08-24 中电建十一局工程有限公司 Method for applying steel bar lattice column to roadbed rapid construction
CN112095377A (en) * 2020-08-28 2020-12-18 中国建筑第八工程局有限公司 Off-pit construction road structure next to subway deep foundation pit and construction method thereof

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