CN206127852U - Dark bridge of filling out bed course disconnect -type foundation structure is traded in adoption - Google Patents
Dark bridge of filling out bed course disconnect -type foundation structure is traded in adoption Download PDFInfo
- Publication number
- CN206127852U CN206127852U CN201620695631.4U CN201620695631U CN206127852U CN 206127852 U CN206127852 U CN 206127852U CN 201620695631 U CN201620695631 U CN 201620695631U CN 206127852 U CN206127852 U CN 206127852U
- Authority
- CN
- China
- Prior art keywords
- meters
- bridge
- plate
- meter
- floorings
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a dark bridge of filling out bed course disconnect -type foundation structure is traded in adoption, including decking, abutment and ground three, the decking is connected with the bridge pier cap on the abutment, establishes the connection bed course on the bridge pier cap, and the abutment below is the ground, decking adoption reinforced concrete hollow slab or real core plate's structure, the level reinforced concrete structure layer of mating formation on the decking, the basis of abutment is the disconnect -type structure, establishes a supporting beam between the abutment, the ground adopts to trade fills out the bed course structure, trades the range of filling out the bed course and arranges that below and area at whole decking are greater than the decking. The utility model discloses beneficial effect is obvious, becomes the vehicle loading who bears subgrade soil pressure and indirect distribution from directly bearing vehicle loading, effectively shorten the length of bridge when satisfying the function needs, save engineering cost in a large number, have good economic benefits, can be extensive apply to highway, one, class II highway and low grade highway.
Description
Technical field
This utility model belongs to field of traffic facilities, is related to a kind of employing and changes the dark bridge for filling out bed course separate type base structure.
Background technology
Last century late nineteen eighties rise, and China Higher level highway construction enters high-speed development period, by the end of the year 2010, entirely
State's highway is built and reaches 6.5 ten thousand kilometers in the total kilometrage built;The total kilometrage that is open to traffic of our province highway was by 2011 1
The moon also breaches 3000 kilometers, plans that the total kilometrage that is open to traffic will break through 4000 kilometers to our province highway in 2012.It is well known that
Bridges and culverts structure occupies very important status in the design of highway, the structure situation of the small culvert of our province highway, across
The selection in footpath is mainly divided to two kinds of Material bridge, culvert.The selection of small bridge at present is mainly:13rd, 16,20 meters of cored slab or little
Box beam;The mainly slab culvert of 2,3,4 meters of across footpaths or≤1.5 meters of pipe culvert that culvert is selected, due between bridge and culvert
Across footpath difference it is larger, occur in that the bridges and culverts between 5~10 meters without the alternative situation of suitable type of bridge, it is impossible to meet high
The current requirement that fast both sides of highway resident improves constantly.
But also due to the across footpath difference between bridge and culvert is larger, occur in that the bridges and culverts between 5~10 meters without suitable bridge
The alternative situation of beam situation, as the level of whole society's public transit facility is improved constantly, to facilitating both sides of highway resident
Current requirement is also being improved constantly.Due to the present situation that 5~10 meters of across footpaths are blank, often result in medium and small bridges and culverts across footpath and select appearance
Difficult situation.Specifically include:(1)Highway crosses over mountain valley, and 15~20 meters of height of embankment, such as full mountain valley section are respectively provided with
Overpass, cost are higher;Across footpath is not enough again using culvert for middle streams or road, select 2 across or 3 occur across hollow slab bridge again
The too high situation of abutment.(2)With going deep into for our province new countryside construction, rural highway is greatly developed, and many villages occurs
The logical cement road in village, has a lot of social connections 4 meters, and both sides are typically provided with 1 meter of small-sized irrigation ditch, only connects several villages, following to continue to expand
Wide probability is little;This kind of road is substantial amounts of to be intersected with highway, selects that culvert across footpath is too small, cannot meet present situation, group
Many suggestions are big;Across footpath is bigger than normal again to select bridge.(3)Mountain highway part special road section, such as tunnel portal are limited to orographic condition
Waste is difficult, needs using roadbed filling to eliminate the unnecessary earthwork, tunnel slag, and this deep valley landform often needs larger row again
Water structure.(4)Single span hollow slab bridge is set, it may appear that at the U platforms of bricklaying enormous amount.
The content of the invention
For the difficulty for solving to lay with above-mentioned bridges and culverts, this utility model offer one kind adopts to change fills out bed course separate type basis knot
The dark bridge of structure, reduces the position of slab bridge structure, is changed into what is born roadbed soil pressure and be distributed indirectly from carload is directly born
Carload;Various across footpath species, the large-scale top of the plate depth of fill can preferably solve Mid and minor spans spanning with high abutment
Between conflict, balance pass through under raising bridge, relation between flood carrying capacity and construction costs.Conjunction between 5~10 meters of across footpaths
Suitable bridge structure form, reaches cost economic rationally while and can meet current or flood carrying capacity under higher bridge.
The technical solution adopted in the utility model is:
A kind of employing changes the dark bridge for filling out bed course separate type base structure, including floorings, three parts of abutment and ground, bridge
Panel is connected with the bridge pier platform cap on abutment, sets connection bed course on bridge pier platform cap, is ground below abutment;Floorings adopt reinforcing bar
The structure of concrete core slab or/and solid slab, floorings upper end level are mated formation reinforced concrete structure layer;The basis of abutment is
Separate structure, sets support beam between abutment;Ground adopts to change fills out cushion layer structure, changes the arranged for filling out bed course in whole bridge floor
The lower section of plate and area are more than floorings.
Floorings are the precoated plate with hinge seam, use anchor bolts between the hinge seam of floorings and bridge pier platform cap.
Abutment is vertically connected with and is constituted by vertical type lighter pier and separate type basis, and support is set between vertical type lighter pier
Beam, Extended chemotherapy of the separate type basis for two separate.
The across footpath of dark bridge is 5 meters, and floorings plate is a width of 1.49 meters, and plate hight is divided into four kinds, is respectively:Bridge floor top of the plate is banketed height
When spending 0.5~3 meter, plate hight is adopted for 0.35 meter of solid slab;During 3~5 meters of the bridge floor top of the plate depth of fill, plate hight is adopted for 0.45 meter
Circular hole cored slab;During 5~7 meters of the bridge floor top of the plate depth of fill, plate hight is adopted for 0.60 meter of square-hole hollow plate;Bridge floor top of the plate is banketed height
When spending more than 7 meters, plate hight is adopted for 0.8 meter of square-hole hollow plate, in 1 meter of length range of floorings beam-ends, stirrup spacing is 10 lis
Rice, in the range of interlude, stirrup spacing is 15 centimetres.The bridge pier platform cap on both sides is used to support the supporting surface width of floorings to distinguish
For 0.48 meter;The height of vertical type lighter pier points 3 meters, 3.5 meters, 4.5 meters or 5 meters, the thickness 0.7 of vertical type lighter pier~
0.8 meter;Extended chemotherapy of the separate type basis for two separate, per 70 centimetres of layer height, 40 centimetres of flap hem width degree;Between support beam
Spacing be 1.5~2 meters, the sectional dimension of support beam is 30 × 40 centimetres.Change fill out cushion layer structure thickness be 0.5~3 meter.
The across footpath of dark bridge is 6 meters, and floorings plate is a width of 1.49 meters, and plate hight is divided into four kinds, is respectively:Bridge floor top of the plate is banketed height
When spending 0.5~3 meter, plate hight is adopted for 0.45 meter of circular hole cored slab;During 3~5 meters of the bridge floor top of the plate depth of fill, adopt plate hight for
0.60 meter of circular hole cored slab;During 5~6 meters of the bridge floor top of the plate depth of fill, plate hight is adopted for 0.75 meter of square-hole hollow plate;Bridge floor top of the plate
During more than 6 meters of the depth of fill, plate hight is adopted for 0.9 meter of square-hole hollow plate;Stirrup spacing in 1.2 meters of length ranges of floorings beam-ends
For 10 centimetres, in the range of interlude, stirrup spacing is 15 centimetres.The bridge pier platform cap on both sides is used for the supporting surface width for supporting floorings
Degree is respectively 0.48 meter;3 meters, 3.5 meters, 4.5 meters or 5 meters of the height of vertical type lighter pier point, the thickness of vertical type lighter pier
0.7~0.8 meter of degree;Extended chemotherapy of the separate type basis for two separate, per 75 centimetres of layer height, 45 centimetres of flap hem width degree;
Spacing between support beam is 1.5~2 meters, and the sectional dimension of support beam is 30 × 40 centimetres.Change fill out cushion layer structure thickness be 0.5
~3 meters.
This utility model effectively shortens the length of bridge while function needs are met, and saves construction costs in a large number, has
Good economic benefit, can widely apply to highway, I and II highway and low-grade highway;Mountain area can be reduced
The side of abandoning of highway, is conducive to environmental protection, effectively solves the problems, such as bumping at bridge-head this long-standing problem engineering circles;Increase
The across footpath of passage, substantially increases the satisfaction of the periphery masses, while good economic benefits are obtained also obtains good
Social benefit.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is partial structural diagram of the present utility model.
Reference:Floorings 1, abutment 2, vertical type lighter pier 21, separate type basis 22, ground 3, support beam 4.
Specific embodiment
This utility model is described further with specific embodiment below in conjunction with the accompanying drawings, however, of the present utility model
Scope is not limited to following embodiments.
Embodiment 1:
Adopt the dark bridge for changing that the across footpath for filling out bed course separate type base structure is for 5 meters
(1)Floorings:
The form that floorings 1 are combined from both armored concrete solid slab and cored slab.
Using the dark bridge of sand-gravel pile separate type base structure, across footpath is 5 meters, and floorings 1 are the precoated plate that band hinge is stitched, bridge floor
The width of plate 1 is 1.49 meters, the thickness of floorings(In order to adapt to custom address, the thickness of floorings is referred to as into bridge floor below
The height or plate hight of plate)For 0.35 meter, 0.45 meter, 0.60 meter, 0.8 meter, totally 4 kinds of plate hights.
Wherein h=0.35 rice, 0.5~3 meter of the solid slab correspondence bridge floor top of the plate depth of fill;
H=0.45 rice, 3~5 meters of the circular hole cored slab correspondence bridge floor top of the plate depth of fill, top board is thick 8 centimetres, and base plate is thick 12 lis
Rice, 25 centimetres of Circularhole diameter;
H=0.6 rice, 5~7 meters of the square-hole hollow plate correspondence bridge floor top of the plate depth of fill, top board is thick 13 centimetres, and base plate is thick 12 lis
Rice, erects 15 centimetres of wall thickness, 103x35 centimetre of square hole;
H=0.8 rice, 7~11.5 meters of the square-hole hollow plate correspondence bridge floor top of the plate depth of fill, top board is thick 13 centimetres, and base plate is thick
12 centimetres, erect 15 centimetres of wall thickness, 103x55 centimetre of square hole.
Mating formation in the upper end level of floorings 1 has the reinforced concrete structure of 10 cm thicks, can improve the durability of structure,
Ensure the common stress between each block of plate, its concrete label is identical with stressed plate, and strength grade of concrete is C40.
When across footpath is 5 meters, in 1 meter of length range of floorings beam-ends, stirrup spacing is 10 centimetres, stirrup in the range of interlude
Spacing is 15 centimetres.
(2)Abutment:
Abutment 2 adopts separate type bridge abutment structure, and separate type bridge abutment structure is by vertical type lighter pier 21 and separate type basis
22 are vertically connected with composition, Extended chemotherapy of the separate type basis 22 for two separate.
Vertical type lighter pier can preferably bear subgrade soils weight, the automobile that floorings are transmitted in Vertical Load direction
Load, is that one end is supported on floorings, the other end and is supported in basis and support beam in lateral earth pressure force direction its stress model
Single span simply supported beam.Vertical type lighter pier can not bear the horizontal force of floorings transmission, and physical dimension is less, economic indicator compared with
It is good.
As the floorings 1 of the present embodiment use plank frame, 1 horizontal-less thrust of floorings, vertical type light bridge
Pier has preferable economic indicator while force request is met.
The foundation main of vertical type lighter pier will have two kinds of monoblock type, separate type.The foundation bearing that integral type foundation is required
Power is smaller, and bricklaying quantity is larger, cost is higher;The foundation bearing capacity of separate type fundamental importance is higher, but bricklaying quantity compared with
Little, low cost.
The Extended chemotherapy of dark bridge two separate is mainly used in the preferable foundation condition of bearing capacity.
The clear span of dark bridge is 5 meters, and the bridge pier platform cap on both sides is used to support the supporting surface width of floorings 1 to be respectively 0.48
Rice, uses anchor bolts between the hinge seam of floorings 1 and bridge pier platform cap, the asphalt felt of 1 cm thick is set on bridge pier platform cap.Floorings 1
5.5 meters of calculating across footpath.The Extended chemotherapy of the dark bridge two separate of 5 meters of across footpaths is 70 centimetres of every layer height, 40 centimetres of flap hem width degree.
Abutment 2 sets support beam 4 between vertical type lighter pier 21, and spacing is 1.5~2 meters.When across footpath is 5 meters,
The sectional dimension of support beam 4 is 30 × 40 centimetres.
3 meters, 3.5 meters, 4.5 meters, 5 meters of the height of vertical type lighter pier point, is adapted to the requirement of the various headroom that are open to traffic.Uprightly
0.7~0.8 meter of the thickness of formula lighter pier, using C30 armored concrete, main stress bar diameterφ16。
The Extended chemotherapy of two separate adopts C25 concrete, designs by rigid foundation, is unworthy of reinforcing bar.
(3)Ground:
The laying of dark bridge is often positioned in hypsography low-lying, and in the mountain depression of easy hydrops, foundation bearing capacity will not be too high, for dark bridge
Base form, in accordance with《Highway bridge and culvert ground and foundation design code》(JTG D63-2007)、《Building foundation treatment technology is advised
Model》(JGJ 79-2002), ground selects to change and fill out cushion layer structure.
Change the process for filling out cushion layer structure for shallow-layer soft foundation and unevened foundaton, be suitable for mud, silt clay,
All kinds of shallow-layer soft foundations such as plain fill, miscellaneous fill.When in the range of building, upper strata weak soil is relatively thin, then can be using all displacements
Process.For deeper soft layer, when only with bed course local displacement upper strata weak soil, lower sleeping soft earth bedding (for example becomes silted up
Mud, Muddy Bottoms great soil group) TERM DEFORMATION under load may be still very big, therefore except supporting course bearing capacity must meet requirement
Outward, whether the title drop amount also checked by ground meets requirement.
Change and fill out the minimum thickness of cushion layer structure bed course and be difficult less than 0.5 meter.Deeper foundation ditch is filled out for changing, is utilized after excavation
Pressure is rammed in back-filling in layers, can also process deeper soft layer;But change that to fill out excavation of foundation pit too deep, often because level of ground water is high, need to adopt
Use dewatering measure;Crater wall slope floor space is big or side slope needs supporting;And therefore easily cause near floor level, pipe network, road with
The sedimentation and deformation destruction of building;Moreover the factors such as earth volume is big, spoir is more of constructing, often make that process engineering cost increases, the duration drags
Long, compacting difficulty is greatly, to environment impact increase etc..Therefore, change and fill out the depth of cushion layer structure and be normally controlled within 3m more
Economical rationality.
The material of bed course can select sandstone, (nominal mix proportion is preferably 2 to dirt:8 or 3:7), the material such as flyash, slag,
Consider that dark bridge construction is higher to ground requirement for bearing capacity, and the custom of the ready availability and highway construction of material, the present embodiment choosing
Sandstone is selected as course.Sandstone preferably selects rubble, cobble, dust, circle gravel, gravelly sand, coarse sand, middle sand(Particle diameter is less than 2mm's
Part is not to be exceeded the 45% of gross weight).Level is answered with good, without impurity such as plant residue, rubbish;And sticky content is not more than
5%, the maximum particle diameter of sandstone is not preferably greater than 50mm.To collapsible loess foundation, must not be from seepy materials such as sandstones.Work as use
Extra-fine sand or stone powder(Particle diameter is less than the 9% of gross weight less than the part of 0.075mm)When, the rubble no less than gross weight 30% should be mixed
Or cobble.
Embodiment 2:
Adopt the dark bridge for changing that the across footpath for filling out bed course separate type base structure is for 6 meters
(1)Floorings:
Consider dark bridge construction be often located at that transportation condition is not convenient, construction team's technical capability be not it is very strong under conditions of it is real
Apply, floorings 1 select reinforced concrete hollow slab form, while the durability in order to improve structure, it is ensured that between each block of plate
Common stress, mating formation in the upper end level of floorings 1 has the reinforced concrete structure of 10 cm thicks, its concrete label and stressed plate phase
Together.
The across footpath of dark bridge is 6 meters, and floorings 1 are the precoated plate with hinge seam, and the width of floorings is 1.49 meters, floorings
Highly it is 0.45 meter, 0.60 meter, 0.75 meter, 0.9 meter, totally 4 kinds of plate hights.
Wherein h=0.45 rice circular hole cored slab corresponds to 0.5~3 meter of the bridge floor top of the plate depth of fill, and top board is thick 8 centimetres, base plate
It is thick 12 centimetres, 25 centimetres of Circularhole diameter;
3~5 meters of the h=0.6 rice square-hole hollows plate correspondence bridge floor top of the plate depth of fill, top board is thick 13 centimetres, and base plate is thick 12 lis
Rice, erects 15 centimetres of wall thickness, 103x35 centimetre of square hole;
5~6 meters of the h=0.75 rice square-hole hollows plate correspondence bridge floor top of the plate depth of fill, top board is thick 13 centimetres, and base plate is thick 12 lis
Rice, erects 15 centimetres of wall thickness, 103x50 centimetre of square hole;
6~10 meters of the h=0.9 rice square-hole hollows plate correspondence bridge floor top of the plate depth of fill, top board is thick 13 centimetres, and base plate is thick 12 lis
Rice, erects 15 centimetres of wall thickness, 103x55 centimetre of square hole.
The reinforced concrete pavement layer of 10 cm thicks is set on plate, strength grade of concrete is C40.The longitudinal stress of computing board
When reinforcing bar and stirrup, it is contemplated that 5 centimetres of concrete pavements participate in stress;And shear connector is buried on cored slab, it is ensured that bridge floor spreads
Dress and the common stress of cored slab.
When across footpath is 6 meters, in 1.2 meters of length ranges of floorings beam-ends, stirrup spacing is 10 centimetres, is bound round in the range of interlude
Muscle spacing is 15 centimetres.
(2)Abutment:
Abutment 2 adopts separate type bridge abutment structure, and separate type bridge abutment structure is by vertical type lighter pier 21 and separate type basis
22 are vertically connected with composition, Extended chemotherapy of the separate type basis 22 for two separate.
Vertical type lighter pier 21 preferably can bear in Vertical Load direction the subgrade soils weight that floorings 1 transmit,
Carload, is that one end is supported on upper board, the other end and is supported on basis and support in lateral earth pressure force direction its stress model
Single span simply supported beam on beam;The horizontal force of the transmission of floorings 1 can not be born, physical dimension is less, and economic indicator is preferable.
As the deck structrue of the present embodiment uses plank frame, 1 horizontal-less thrust of floorings, therefore dark bridge is adopted
Vertical type lighter pier 21, while force request is met, has preferable economic indicator.The Extended chemotherapy of two separate is main
For the preferable foundation condition of bearing capacity.
The clear span of dark bridge is 6 meters, and the bridge pier platform cap on both sides is used to support the supporting surface width of floorings 1 to be respectively 0.48
Rice, uses anchor bolts between the hinge seam of floorings 1 and bridge pier platform cap, the asphalt felt of 1 cm thick is set on bridge pier platform cap.Floorings 1
6.5 meters of calculating across footpath.The detached Extended chemotherapy of the dark bridge of 6 meters of across footpaths is 75 centimetres of every layer height, 45 centimetres of flap hem width degree.
Support beam 4 is set between vertical type lighter pier 21, spacing is 1.5~2 meters.When across footpath is 6 meters, support beam 4
Sectional dimension is 30 × 40 centimetres.
3 meters, 3.5 meters, 4.5 meters, 5 meters of the height of vertical type lighter pier point, is adapted to the requirement of the various headroom that are open to traffic.Uprightly
0.7~0.8 meter of the thickness of formula lighter pier, using C30 armored concrete, main stress bar diameterφ16。
The Extended chemotherapy of two separate adopts C25 concrete, designs by rigid foundation, is unworthy of reinforcing bar.
(3)Ground:
With embodiment 1, ground adopts to change fills out cushion layer structure.
Claims (8)
1. a kind of employing changes the dark bridge for filling out bed course separate type base structure,
Including floorings(1), abutment(2)And ground(3)Three parts, floorings(1)With abutment(2)On bridge pier platform cap connect
Connect, on bridge pier platform cap, set connection bed course, abutment(2)Lower section is ground(3), it is characterised in that
Floorings(1)Using reinforced concrete hollow slab or/and the structure of solid slab, floorings(1)Upper end level is mated formation reinforcing bar
Concrete;
Abutment(2)Basis be separate structure, support beam is set between abutment(4);
Ground(3)Cushion layer structure is filled out using changing, and the arranged for filling out bed course is changed in whole floorings(1)Lower section and area be more than
Floorings(1).
2. a kind of employing according to claim 1 changes the dark bridge for filling out bed course separate type base structure, it is characterised in that abutment
(2)By vertical type lighter pier(21)With separate type basis(22)It is vertically connected with composition, vertical type lighter pier(21)Between set
Support beam(4), separate type basis(22)For the Extended chemotherapy of two separate.
3. a kind of employing according to claim 2 changes the dark bridge for filling out bed course separate type base structure, it is characterised in that
The across footpath of dark bridge is 5 meters, floorings(1)Plate is a width of 1.49 meters, and plate hight is divided into four kinds, is respectively:Bridge floor top of the plate is banketed height
When spending 0.5~3 meter, plate hight is adopted for 0.35 meter of solid slab;During 3~5 meters of the bridge floor top of the plate depth of fill, plate hight is adopted for 0.45 meter
Circular hole cored slab;During 5~7 meters of the bridge floor top of the plate depth of fill, plate hight is adopted for 0.60 meter of square-hole hollow plate;Bridge floor top of the plate is banketed height
When spending more than 7 meters, plate hight is adopted for 0.8 meter of square-hole hollow plate, in 1 meter of length range of floorings beam-ends, stirrup spacing is 10 lis
Rice, in the range of interlude, stirrup spacing is 15 centimetres.
4. a kind of employing according to claim 3 changes the dark bridge for filling out bed course separate type base structure, it is characterised in that
The bridge pier platform cap on both sides is used to support floorings(1)Supporting surface width be respectively 0.48 meter;Vertical type lighter pier
Highly divide 3 meters, 3.5 meters, 4.5 meters or 5 meters, 0.7~0.8 meter of the thickness of vertical type lighter pier;Separate type basis(22)For two
The detached Extended chemotherapy of layer, per 70 centimetres of layer height, 40 centimetres of flap hem width degree;Spacing between support beam is 1.5~2 meters,
The sectional dimension of support beam is 30 × 40 centimetres.
5. a kind of employing according to claim 3 changes the dark bridge for filling out bed course separate type base structure, it is characterised in that
Change fill out cushion layer structure thickness be 0.5~3 meter.
6. a kind of employing according to claim 2 changes the dark bridge for filling out bed course separate type base structure, it is characterised in that
The across footpath of dark bridge is 6 meters, floorings(1)Plate is a width of 1.49 meters, and plate hight is divided into four kinds, is respectively:Bridge floor top of the plate is banketed height
When spending 0.5~3 meter, plate hight is adopted for 0.45 meter of circular hole cored slab;During 3~5 meters of the bridge floor top of the plate depth of fill, adopt plate hight for
0.60 meter of circular hole cored slab;During 5~6 meters of the bridge floor top of the plate depth of fill, plate hight is adopted for 0.75 meter of square-hole hollow plate;Bridge floor top of the plate
During more than 6 meters of the depth of fill, plate hight is adopted for 0.9 meter of square-hole hollow plate;Stirrup spacing in 1.2 meters of length ranges of floorings beam-ends
For 10 centimetres, in the range of interlude, stirrup spacing is 15 centimetres.
7. a kind of employing according to claim 6 changes the dark bridge for filling out bed course separate type base structure, it is characterised in that
The bridge pier platform cap on both sides is used to support floorings(1)Supporting surface width be respectively 0.48 meter;Vertical type lighter pier
Highly divide 3 meters, 3.5 meters, 4.5 meters or 5 meters, 0.7~0.8 meter of the thickness of vertical type lighter pier;Separate type basis(22)For two
The detached Extended chemotherapy of layer, per 75 centimetres of layer height, 45 centimetres of flap hem width degree;Spacing between support beam is 1.5~2 meters,
The sectional dimension of support beam is 30 × 40 centimetres.
8. a kind of employing according to claim 6 changes the dark bridge for filling out bed course separate type base structure, it is characterised in that
Change fill out cushion layer structure thickness be 0.5~3 meter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620695631.4U CN206127852U (en) | 2016-07-05 | 2016-07-05 | Dark bridge of filling out bed course disconnect -type foundation structure is traded in adoption |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620695631.4U CN206127852U (en) | 2016-07-05 | 2016-07-05 | Dark bridge of filling out bed course disconnect -type foundation structure is traded in adoption |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206127852U true CN206127852U (en) | 2017-04-26 |
Family
ID=58561080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620695631.4U Active CN206127852U (en) | 2016-07-05 | 2016-07-05 | Dark bridge of filling out bed course disconnect -type foundation structure is traded in adoption |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206127852U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113235637A (en) * | 2021-03-29 | 2021-08-10 | 中铁武汉勘察设计院有限公司 | Construction method of newly-built pipeline crossing existing pipeline |
-
2016
- 2016-07-05 CN CN201620695631.4U patent/CN206127852U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113235637A (en) * | 2021-03-29 | 2021-08-10 | 中铁武汉勘察设计院有限公司 | Construction method of newly-built pipeline crossing existing pipeline |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107419630A (en) | A kind of the soft soil foundation high-filled embankment and construction method of effectively control settlement after construction | |
CN109914173B (en) | Foam light soil pouring table back structure in expressway reconstruction and extension project and construction method thereof | |
CN206902488U (en) | A kind of soft soil foundation high-filled embankment of effectively control settlement after construction | |
CN109750571B (en) | Road collapse emergency and permanent retaining integrated structure and construction method | |
CN110080051B (en) | Geotextile bag bridge type embankment structure and construction method thereof | |
CN107700299B (en) | Overpass lower-layer ground road structure and construction method thereof | |
CN206127852U (en) | Dark bridge of filling out bed course disconnect -type foundation structure is traded in adoption | |
CN109537389B (en) | EPS (expandable polystyrene) lower embankment structure and construction method thereof | |
Phares et al. | Identification and evaluation of pavement-bridge interface ride quality improvement and corrective strategies. | |
CN111705576A (en) | Steep slope high-filling roadbed structure adopting high-density EPS filler | |
CN206127853U (en) | Adopt integral foundation structure's of grit stake dark bridge | |
CN110205982A (en) | Improve the channel design and its construction method of existing river levee flood control standard | |
CN115652717A (en) | High-fill roadbed construction method | |
CN206127850U (en) | Dark bridge of filling out integral foundation structure of bed course is traded in adoption | |
Węgliński et al. | Ground improvement and rebuild of a district roadin complex geotechnical-engineering conditions–case study | |
CN212128696U (en) | Road bridge links up mixed light dirt road bed structure of section bubble | |
Schary | Case studies on geocell-based reinforced roads, railways and ports | |
CN206127849U (en) | Adopt cement flour coal ash rubble stake disconnect -type foundation structure's dark bridge | |
CN206127862U (en) | Adopt grit stake disconnect -type foundation structure's dark bridge | |
CN206127851U (en) | Adopt integral foundation structure's of cement flour coal ash rubble stake dark bridge | |
CN112195701A (en) | Soft soil foundation structure and construction method thereof | |
CN207812204U (en) | Deep & thick silt matter Reinforcement of Soft Soil Subgrade structure | |
CN217651543U (en) | Highway subgrade settlement-preventing structure | |
CN220888179U (en) | Bench back embankment and bridge head overlap joint structure for preventing bridge head from jumping | |
CN220888176U (en) | A trade and fill structure for shallow layer department of mountain area valley weak soil |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |