CN110130399A - Tilt trapezoidal piping lane system and its construction method of the supporting in conjunction with main structure - Google Patents
Tilt trapezoidal piping lane system and its construction method of the supporting in conjunction with main structure Download PDFInfo
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- CN110130399A CN110130399A CN201910407545.7A CN201910407545A CN110130399A CN 110130399 A CN110130399 A CN 110130399A CN 201910407545 A CN201910407545 A CN 201910407545A CN 110130399 A CN110130399 A CN 110130399A
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 239000002689 soil Substances 0.000 claims abstract description 10
- 239000011083 cement mortar Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 7
- 230000005641 tunneling Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011378 shotcrete Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention belongs to ground and basic engineering construction technical fields, disclose a kind of trapezoidal piping lane system and construction method that inclination supporting is combined with main structure, in the area using cut and cover tunneling, first squeeze into two rows of taper piles, two rows of taper piles are separately connected by crown beam of constructing again, soil layer between two rows of taper piles is excavated into open type foundation pit after carrying out taper pile supporting, tamps place；Then flute profile section of jurisdiction and/or folding shape section of jurisdiction are spliced to form trapezoidal piping lane main body, the gap between the oblique side wall of piping lane main body two and taper pile is filled with cement mortar, finally earthen backfill.The present invention combines the inclination supporting that slope uses with the oblique side wall of piping lane two of trapezoid cross section, inclination supporting can reduce piping lane side wall stress, help to mitigate piping lane long-term settlement, help to improve piping lane anti-seismic performance, the oblique side wall in trapezoid cross section two coincides with slope, backfill can be reduced, construction volume is reduced；And the contradiction between stress and space utilization rate has also been better balanced in the design of trapezoid cross section.
Description
Technical field
The invention belongs to ground and basic engineering construction technical fields, in particular to a kind of novel piping lane body
System and its construction method.
Background technique
With China's rapid economic development, urbanization rate is substantially improved, and existing urban infrastructure is sent out with city
The paces of exhibition are lacked of proper care, and pipe gallery construction in the case becomes most important.The structure design of pipe gallery engineering uses year
Limit should be determining according to the reasonable using period of permanent structure, and not preferably less than 100 years.But in actual use, long-term settlement
Piping lane joint can be made to be easy to happen leakage, infiltration can make piping lane accelerated sedimentation again, influence durability.In addition, piping lane is in earthquake
Also it is easy to happen destruction under effect, since piping lane is embedded in underground, will result in heavy economic losses once occurring to destroy.Therefore right
For piping lane construction, how to balance cost, stress, space utilization rate, durability is particularly important.
Pipe gallery cross-sectional form and property, capacity, geology, topographic features and construction according to receiving pipeline at present
Mode, piping lane system can be divided into round and two kinds of section forms of box.Conventional circular section has respective with conventional rectangular section
Advantage, but be all difficult to balance all aspects, it is mainly manifested in the following aspects:
First, in soft clay area, shallow embedding piping lane generally selects cut and cover tunneling.For conventional circular and rectangular section piping lane
All it is first to be excavated with Vertical Pile supporting, again, inner support is set when excavating, by bracing demolition after piping lane installation, most
Afterwards by earthen backfill.And inner support installation will expend huge human and material resources, but only play a role, using in the construction process
Effect is unobvious in journey.
Second, although the piping lane of circular cross-section is advantageous in terms of stress performance, space utilization rate is low, coverage
Greatly, speed of application is slow.
Third, the piping lane of rectangular section is compared to circular cross section, and space utilization rate is high, coverage is small, speed of application
Fastly；But stress performance is poor, the stress at four angles is concentrated particularly evident.
Summary of the invention
What the present invention puted forth effort to solve is the underutilization of conventional rectangular, circular cross-section piping lane in service stage to vertical supporting
And it is poor with shock resistance to cause long-term settlement larger, and the installation Yu dismounting of inner support will cause into cut and cover tunneling
The technical issues of this waste, provides a kind of trapezoidal piping lane system and its construction method for tilting supporting in conjunction with main structure,
The inclination supporting that slope uses is combined with the oblique side wall in piping lane bottom two of trapezoid cross section, inclination supporting can reduce piping lane side
Wall stress helps to mitigate piping lane long-term settlement, helps to improve piping lane anti-seismic performance, the oblique side wall in trapezoid cross section two and slope phase
It is overlapped, it is possible to reduce backfill reduces construction volume；And stress and space utilization rate has also been better balanced in the design of trapezoid cross section
Between contradiction.
In order to solve the above-mentioned technical problem, the present invention is achieved by technical solution below:
A kind of trapezoidal piping lane system that inclination supporting is combined with main structure, including piping lane main body and inclination supporting；
The section of the piping lane main body be top margin be greater than bottom edge isosceles trapezoid, the piping lane main body in the longitudinal direction by
Multiple segments are spliced, each segment be by two to four flute profile sections of jurisdiction and/or folding shape pipe sheet assembling at frame structure；
The inclination supporting includes the taper pile that piping lane main body two sides are arranged in, and two rows of taper piles are in piping lane main body two
Side is symmetrical arranged and is close proximity to the oblique side wall of the piping lane main body two；It is filled between the taper pile and the oblique side wall of the piping lane main body two
There is cement mortar；Crown beam is connected at the top of taper pile described in each row；
Before the piping lane main body construction, the soil layer between two rows of taper piles is dug out, and is excavated into open foundation pit；The piping lane master
After body construction, earthen backfill between the oblique side wall of the piping lane main body two and the taper pile.
Further, the flute profile section of jurisdiction of the two neighboring segment of the piping lane main body and/or the folding shape section of jurisdiction are wrong
Seam connection installation.
Further, the flute profile section of jurisdiction and/or the folding shape section of jurisdiction pass through track bolt lateral connection and longitudinally connected.
Further, the length of each segment of the piping lane main body is 2-3m.
Further, the trapezoidal top margin overall length in the section of the piping lane main body is 1.8-2.2 times of trapezoidal bottom edge overall length.
Further, water proof rubber pad is used between the two neighboring segment of the piping lane main body.
Further, the section of the piping lane main body is the isosceles trapezoid that upper and lower base angle is respectively 60 ° and 120 °, the pipe
Each segment of corridor main body is assembled by two different flute profile sections of jurisdiction.
Further, the stake diameter of the taper pile is 600-800mm；The width of the crown beam is not less than the stake of the taper pile
Diameter, the hat depth of beam are not less than 0.6 times of crown beam width.
A kind of construction method of trapezoidal piping lane system that the inclination supporting is combined with main structure, this method according to
Lower step carries out:
(1) position for determining two rows of taper piles is designed according to piping lane, further according to tube lane dimension, with designing buried depth, the hydrology
Matter condition estimates the buried depth and size of the taper pile, after carrying out setting-out, the two rows of taper piles of construction；
(2) assembling reinforcement, formwork are carried out according to design requirement on the basis of the reinforcing bar reserved at the top of the taper pile described in each row
Plate pours the crown beam；
(3) excavation of foundation pit is carried out between two rows of taper piles, digs good compacting place later；
(4) the flute profile section of jurisdiction and/or the folding shape section of jurisdiction to foundation pit bottom are lifted, by the flute profile section of jurisdiction and/or described
It rolls over shape section of jurisdiction and the piping lane main body is spliced by the track bolt；The piping lane main body is in the longitudinal direction by multiple segments
Be spliced, each segment by two to four flute profile sections of jurisdiction and/or folding shape pipe sheet assembling at frame structure, the frame structure
Section is the isosceles trapezoid that top margin is greater than bottom edge；
(5) cement bonded sand is injected in the gap between the oblique side wall of the piping lane main body two and the taper pile that assembly is completed
Slurry, makes the piping lane main body combine closely with the taper pile；
(6) backfill construction is carried out between the piping lane body top and the taper pile.
The beneficial effects of the present invention are:
(1) present invention can be achieved to reduce long-term settlement: since pattern foundation pit supporting structure uses taper pile, and below taper pile insertion piping lane,
In the long-term use, taper pile plays Unloading Effect, therefore can reduce the long-term settlement of piping lane, enhances the impervious of piping lane
Ability improves the durability of piping lane.
(2) present invention can be achieved to improve piping lane anti-seismic performance: since piping lane and taper pile are close together, and taper pile is inserted
Enter below piping lane, piping lane and taper pile can form an entirety, and the taper pile on both sides approximately forms a up-side down triangle, enhances
The stability of piping lane system；When earthquake, piping lane and taper pile mass motion reduce the opposite changing of the relative positions of piping lane, to reduce earthquake
Destruction.
(3) since foundation pit uses taper pile supporting, inner support, and taper pile conduct the achievable save the cost of the present invention: are eliminated
Permanent supporting can share load for piping lane, reduce the stress of piping lane main structure side wall, to reduce workload, save
Cost.
(4) contradiction between stress and space utilization rate, piping lane has been better balanced using trapezoid cross section piping lane in the present invention
Main body uses trapezoid cross section, and more flat under same area, so buried depth is small, cost is substantially reduced.
Detailed description of the invention
Fig. 1 is the front view of trapezoidal piping lane system provided by a kind of optional embodiment of the invention；
Fig. 2 is the top view of trapezoidal piping lane system provided by a kind of optional embodiment of the invention；
Fig. 3 is the bolt of two kinds of flute profile sections of jurisdiction in trapezoidal piping lane system provided by a kind of optional embodiment of the invention
Hole arrangement schematic diagram；(a) it is the flute profile section of jurisdiction 3 of one of them, is (b) two flute profile section of jurisdiction 3 wherein；
Fig. 4 is the connection schematic diagram of trapezoidal piping lane system center tap bolt provided by the present invention.
In above-mentioned figure: 1- taper pile, 2- crown beam, 3- flute profile section of jurisdiction, 4- cement mortar, 5- track bolt.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail, and following embodiment can make this profession
The present invention, but do not limit the invention in any way is more completely understood in technical staff.
As depicted in figs. 1 and 2, a kind of trapezoidal piping lane system for tilting supporting in conjunction with main structure is present embodiments provided
And its construction method first squeezes into two rows of taper piles 1, then crown beam 2 of constructing divides two rows of taper piles 1 in the area using cut and cover tunneling
It does not connect, is dug out the soil layer between two rows of taper piles 1 with excavator after carrying out 1 supporting of taper pile, excavate the foundation pit at open type, so
Rear screed real field.Then it carries out flute profile section of jurisdiction 3 and/or rolls over the lifting and installation of shape section of jurisdiction, be spliced to form trapezoidal piping lane main body；
Gap between the oblique side wall of piping lane main body two and taper pile 1 is filled with cement mortar 4, finally again earthen backfill.Flute profile section of jurisdiction as a result,
3 and/or folding shape section of jurisdiction constitute trapezoidal piping lane main body, taper pile 1 plays unloading effect to piping lane main body.
A kind of trapezoidal piping lane system of inclination supporting of the invention in conjunction with main structure includes piping lane main body and inclination branch
Shield.The section of piping lane main body is the isosceles trapezoid that top margin is greater than bottom edge, and in general, the trapezoidal top margin in the section of piping lane main body is total
1.8-2.2 times of a length of trapezoidal bottom edge overall length.Piping lane main body is spliced by multiple segments in the longitudinal direction, each segment
Length is 2-3m.Each segment of piping lane main body be by two to four flute profile sections of jurisdiction 3 and/or folding shape pipe sheet assembling at trapezoidal section
Face frame structure.Fissure of displacement connection installation is answered in the two neighboring segment of piping lane main body, flute profile section of jurisdiction 3 and/or folding shape section of jurisdiction.
Flute profile section of jurisdiction 3 and folding shape section of jurisdiction are prefabricated component, are specifically designed according to the structure of trapezoidal piping lane main body, can be used two
3 assembly of flute profile section of jurisdiction or four folding shape pipe sheet assemblings or a flute profile section of jurisdiction 3 plus two folding shape pipe sheet assemblings；Flute profile section of jurisdiction 3
Long side, short side and side by constituting continuous broken line are constituted, and folding shape section of jurisdiction is made of the long side and short side for constituting broken line.Channel pipe
Piece 3 and folding shape section of jurisdiction should be preset with hand hole in section of jurisdiction interior sidewall surface when prefabricated, are reserved in each hand hole and are connected to channel pipe
3 section of piece or the bolt hole for rolling over shape section of jurisdiction section, for laterally being connected flute profile section of jurisdiction 3 and/or folding shape section of jurisdiction by track bolt 5
Connect with it is longitudinally connected, the setting direction of track bolt 5 is parallel with flute profile section of jurisdiction 3 or folding shape section of jurisdiction surface.
Between the two neighboring segment of piping lane main body should use water proof rubber pad, and the precompression of water proof rubber pad do not answer it is small
In 3MPa.Also, subsiding crack is arranged between two neighboring segment every 40-60 meters in piping lane main body.
The inclination supporting of unloading is played by being respectively arranged at two rows of taper piles 1 of piping lane main body two sides and every to piping lane main body
The crown beam 2 connected at the top of one row's taper pile 1 is constituted.
Piping lane main body two sides are respectively arranged with row's taper pile 1, and two rows of taper piles 1 are symmetrical set in piping lane main body two sides.
Taper pile 1 is close proximity to two oblique side walls of piping lane main body as far as possible, and essentially identical with two oblique sidewall slope angles of piping lane main body.It is two rows of
Soil layer between taper pile 1 is dug out, and is excavated into open foundation pit.Ordinary circumstance is not required to carry out combined bolting and shotcrete to foundation pit, such as strong drop
Situations such as rainy day gas or underground water are gushed out carries out combined bolting and shotcrete to foundation pit.The stake diameter of taper pile 1 is typically no less than 600mm, preferably
For within the scope of 600-800mm, and the spacing of taper pile 1 should meet code requirement.For taper pile 1 in construction, reserved steel bar side is answered at top
Just it is connect with crown beam 2.Gap between piping lane main body and taper pile 1 is filled with cement mortar 4, and strength of cement mortar should be greater than
10MPa。
The top of two rows of taper piles 1 is attached by crown beam 2 respectively, and the width (horizontal direction) of crown beam 2 is not preferably less than taper pile 1
Stake diameter, the height (vertical direction) of crown beam 2 is not preferably less than 0.6 times of 2 width of crown beam.The strength grade of concrete of crown beam 2 is suitable
Greater than C25, and crown beam 2 should disconnect setting subsiding crack at a certain distance.
As depicted in figs. 1 and 2, in a kind of optional embodiment of the invention, the section of piping lane main body is upper bottom
Angle is respectively the isosceles trapezoid of 60 ° and 120 °, and each segment of piping lane main body is assembled by two different flute profile sections of jurisdiction 3.
Prefabricated 3 shape of flute profile section of jurisdiction is different, the flute profile section of jurisdiction 3 of one of them, and top margin length is the 1/3 of trapezoidal total top margin, bottom edge
Length is the 2/3 of trapezoidal total bottom edge, and side is identical with trapezoidal total bottom edge length, and the angle of top margin and side is 60 °, side and bottom
The angle on side is 120 °.The flute profile section of jurisdiction 3 of two wherein, top margin length are the 2/3 of trapezoidal total top margin, and bottom edge length is trapezoidal total
The 1/3 of bottom edge, side is identical with trapezoidal total bottom edge length, and the angle of top margin and side is 60 °, the angle on side and bottom edge is
120°。
In this optional embodiment, the lateral connection of flute profile section of jurisdiction 3 is two flute profile sections of jurisdiction 3 in same segment
It is assemblied into trapezoid cross section frame structure, the longitudinally connected of flute profile section of jurisdiction 3 is two neighboring above-mentioned trapezoid cross section frame structure
Fissure of displacement connection.As shown in figure 3, the bolt hole for 3 lateral connection of flute profile section of jurisdiction is usually preset in 3 longitudinal direction of flute profile section of jurisdiction
At intermediate and two back gauge edge 200-300mm, and the center for the bolt hole being correspondingly connected on two neighboring flute profile section of jurisdiction 3 away from
For 300-400mm.The section for being usually reserved in flute profile section of jurisdiction 3 for rolling over the longitudinally connected bolt hole in shape section of jurisdiction 3, length are shorter
Bottom edge or reserved one (centrally located) of top surface, the longer bottom edge of length or reserved two of top surface (are located at away from folding
Position at angle 1/4 and at 3/4), side is two reserved (being located at two trisection point positions).Flute profile section of jurisdiction 3 spell it is good after according to
Reserved bolt hole is attached, as shown in Figure 4 by track bolt 5.
The construction method of trapezoidal piping lane system of the above-mentioned inclination supporting in conjunction with main structure, specifically in accordance with the following steps into
Row:
One, taper pile 1 positions
The position for determining taper pile 1 is designed according to piping lane, is come further according to tube lane dimension, design buried depth, hydrogeologic condition pre-
The buried depth and size for estimating two rows of taper piles 1, finally carry out setting-out.
Two, taper pile 1 is constructed
First rigging up is overlapped drilling rod center, and gradient is adjusted by the design requirement of trapezoidal piping lane main body.Boring procedure
Using normal circulation slewing drilling machine into construction technology, soil is suitably thrown less in clay layer, by creeping into voluntarily pulping, is then increased in sandy soils
Concentration of hydraulic mixture Gu Bi.Borehole cleaning is carried out after drilling, is removed sediment all, is engaged concrete with basement rock intact,
To improve stake bottom bearing capacity.The steel reinforcement cage integral hoisting that will be made again, casting concrete, steel reinforcement cage enter Kong Houzhi and pour coagulation
The time that soil finishes is no more than 4 hours.
Three, crown beam 2 is constructed
Unwrapping wire is measured according to design requirement, then excavates groove, then digs 1 pile crown of taper pile, 1 pile crown of taper pile is cleared up and is done
Only.Assembling reinforcement, formwork supporting plate are carried out according to design requirement on the basis of the reinforcing bar that taper pile 1 is reserved, then pours crown beam 2.
Four, excavation of foundation pit
Before excavation of foundation pit, pipe well points precipitation is set.According to design requirement, excavation of foundation pit is carried out between two rows of taper piles 1,
It is excavated within top layer 6m with high-front shovel, 6m earthwork employment force-fitting excavator dress below；Dig good compacting place later.
Situations such as ordinary circumstance is not required to carry out combined bolting and shotcrete to foundation pit, and such as heavy rainfall weather or underground water are gushed out, to foundation pit progress
Combined bolting and shotcrete.
Five, flute profile section of jurisdiction 3 and/or the lifting of folding shape section of jurisdiction, assembly
The flute profile section of jurisdiction 3 being placed in beside foundation pit and/or folding shape section of jurisdiction are lifted to foundation pit bottom using crane, lifting is completed
Flute profile section of jurisdiction 3 and/or folding shape section of jurisdiction are stitched together with track bolt 5 at reserved bolt hole afterwards.Each segment by two to
Four flute profile sections of jurisdiction 3 and/or the splicing of folding shape section of jurisdiction, the piping lane principal length of each segment are 2-3m.Piping lane main body is longitudinal by more
A segment is spliced, and water proof rubber pad should be arranged in the junction between segment, and the precompression of water proof rubber pad is no less than
3MPa.Subsiding crack is arranged between two neighboring segment every 40-60 meters in piping lane main body.
Six, gap slip casting
Cement mortar 4 is injected with conduit in gap between the oblique side wall of piping lane main body two and taper pile 1 that assembly is completed, is made
Piping lane main body is combined closely with taper pile 1；The maximum pressure of slip casting is generally higher than 4MPa.
Seven, backfill
Backfill construction is carried out between piping lane body top and taper pile 1, the compactness to be met of banketing, moisture content etc. are wanted
It asks, with earth scraper, scraper etc. to the method spread out and put on using layering of banketing, the thickness of every layer of paving soil should be according to soil property, compactness
It is required that being determined with machine performance.When rolling, wheel (rammer) mark is mutually lapped, and anti-leak-stopping pressure, leakage are rammed.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of specific transformation, within these are all belonged to the scope of protection of the present invention.
Claims (9)
1. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure, which is characterized in that including piping lane main body and incline
Oblique supporting；
The section of the piping lane main body is the isosceles trapezoid that top margin is greater than bottom edge, and the piping lane main body is in the longitudinal direction by multiple
Segment is spliced, each segment be by two to four flute profile sections of jurisdiction and/or folding shape pipe sheet assembling at frame structure；
The inclination supporting includes the taper pile that piping lane main body two sides are arranged in, and two rows of taper piles are in piping lane main body two sides pair
Claim setting and is close proximity to the oblique side wall of the piping lane main body two；Water is filled between the taper pile and the oblique side wall of the piping lane main body two
Cement mortar；Crown beam is connected at the top of taper pile described in each row；
Before the piping lane main body construction, the soil layer between two rows of taper piles is dug out, and is excavated into open foundation pit；The piping lane main body is applied
After work, earthen backfill between the oblique side wall of the piping lane main body two and the taper pile.
2. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure according to claim 1, feature exist
In the flute profile section of jurisdiction of the two neighboring segment of the piping lane main body and/or folding shape section of jurisdiction fissure of displacement connection installation.
3. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure according to claim 1, feature exist
Pass through track bolt lateral connection and longitudinally connected in, the flute profile section of jurisdiction and/or the folding shape section of jurisdiction.
4. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure according to claim 1, feature exist
In the length of each segment of the piping lane main body is 2-3m.
5. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure according to claim 1, feature exist
In the trapezoidal top margin overall length in the section of the piping lane main body is 1.8-2.2 times of trapezoidal bottom edge overall length.
6. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure according to claim 1, feature exist
In using water proof rubber pad between the two neighboring segment of the piping lane main body.
7. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure according to claim 1, feature exist
In the section of the piping lane main body is the isosceles trapezoid that upper and lower base angle is respectively 60 ° and 120 °, each section of the piping lane main body
Section is assembled by two different flute profile sections of jurisdiction.
8. a kind of trapezoidal piping lane system that inclination supporting is combined with main structure according to claim 1, feature exist
In the stake diameter of the taper pile is 600-800mm；The width of the crown beam is not less than the stake diameter of the taper pile, the height of the crown beam
Degree is not less than 0.6 times of crown beam width.
9. a kind of trapezoidal piping lane system that the inclination supporting as described in any one of claim 1-8 is combined with main structure is applied
Work method, which is characterized in that this method follows the steps below:
(1) position for determining two rows of taper piles is designed according to piping lane, further according to tube lane dimension, design buried depth, hydrogeological item
Part estimates the buried depth and size of the taper pile, after carrying out setting-out, the two rows of taper piles of construction；
(2) assembling reinforcement, formwork supporting plate are carried out according to design requirement on the basis of the reinforcing bar reserved at the top of the taper pile described in each row, is poured
Build the crown beam；
(3) excavation of foundation pit is carried out between two rows of taper piles, digs good compacting place later；
(4) the flute profile section of jurisdiction and/or the folding shape section of jurisdiction to foundation pit bottom are lifted, by the flute profile section of jurisdiction and/or the folding shape
Section of jurisdiction is spliced into the piping lane main body by the track bolt；The piping lane main body is spliced by multiple segments in the longitudinal direction
It forms, each segment is by two to four flute profile sections of jurisdiction and/or folding shape pipe sheet assembling at frame structure, the section of the frame structure
It is greater than the isosceles trapezoid on bottom edge for top margin；
(5) cement mortar is injected in the gap between the oblique side wall of the piping lane main body two and the taper pile that assembly is completed, made
The piping lane main body is combined closely with the taper pile；
(6) backfill construction is carried out between the piping lane body top and the taper pile.
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| CN201910407545.7A CN110130399A (en) | 2019-05-15 | 2019-05-15 | Tilt trapezoidal piping lane system and its construction method of the supporting in conjunction with main structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910407545.7A CN110130399A (en) | 2019-05-15 | 2019-05-15 | Tilt trapezoidal piping lane system and its construction method of the supporting in conjunction with main structure |
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| CN110130399A true CN110130399A (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910407545.7A Pending CN110130399A (en) | 2019-05-15 | 2019-05-15 | Tilt trapezoidal piping lane system and its construction method of the supporting in conjunction with main structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700649A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of buried transformer substation |
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| CN103485351A (en) * | 2013-09-30 | 2014-01-01 | 中国建筑股份有限公司 | Inclined pile vertical anchor rod supporting structure for foundation pit supporting and construction method thereof |
| CN103882869A (en) * | 2014-03-21 | 2014-06-25 | 郭永 | Inclined supporting pile structure for foundation pit support and construction method thereof |
| WO2018076499A1 (en) * | 2016-10-31 | 2018-05-03 | 浙江鑫宙竹基复合材料科技有限公司 | Pipe segment connecting component suitable for comprehensive bamboo composite pipe gallery |
| CN208857818U (en) * | 2018-08-14 | 2019-05-14 | 四川农业大学 | A kind of trapezoidal channel hole steel sheep pile support structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485351A (en) * | 2013-09-30 | 2014-01-01 | 中国建筑股份有限公司 | Inclined pile vertical anchor rod supporting structure for foundation pit supporting and construction method thereof |
| CN103882869A (en) * | 2014-03-21 | 2014-06-25 | 郭永 | Inclined supporting pile structure for foundation pit support and construction method thereof |
| WO2018076499A1 (en) * | 2016-10-31 | 2018-05-03 | 浙江鑫宙竹基复合材料科技有限公司 | Pipe segment connecting component suitable for comprehensive bamboo composite pipe gallery |
| CN208857818U (en) * | 2018-08-14 | 2019-05-14 | 四川农业大学 | A kind of trapezoidal channel hole steel sheep pile support structure |
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| CN110700649A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of buried transformer substation |
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