CN207974122U - The construction system of coral reef piping lane foundation pit - Google Patents
The construction system of coral reef piping lane foundation pit Download PDFInfo
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- CN207974122U CN207974122U CN201820167574.1U CN201820167574U CN207974122U CN 207974122 U CN207974122 U CN 207974122U CN 201820167574 U CN201820167574 U CN 201820167574U CN 207974122 U CN207974122 U CN 207974122U
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- support pile
- foundation pit
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- pile
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Abstract
The utility model is related to a kind of construction systems of coral reef piping lane foundation pit, due to being respectively equipped with first row support pile and second row support pile in foundation pit both sides, the top of first row support pile is equipped with the first supporting track, the top of second row support pile is equipped with the second supporting track, first supporting track and the second supporting track are mutually parallel, first supporting track and the second supporting track are used to support the traveling wheel of gantry crane, and gantry crane is used for the lifting construction materials into foundation pit；In this way, the solid foundation at the top of first row support pile and second row support pile as support gantry crane, just no longer needs to be separately that gantry crane builds supporting base.So as to save material, construction cost is reduced.
Description
Technical field
The utility model is related to a kind of construction systems of coral reef piping lane foundation pit.
Background technology
Reef-building coral, coralline algae main component are calcareous sand (soil) in off-lying sea marine site.Calcareous sand typically refers to marine organisms
The Special Rock medium rich in calcium carbonate or other indissoluble carbonate substances of (coral, seaweed, shell etc.) origin cause of formation.Its master
It is calcium carbonate to want mineralogical composition, is for a long time in the calcium carbonate soln of saturation, through physics, biochemistry and chemical action process
(including broken and bonding process and certain pressure, temperature and solubility the change procedure of organic matter clast), and
A kind of and terrestrial sediment formed has the carbonate sediment of very big difference.Since its deposition process is removed without long-distance mostly
Fortune, remains the reasons such as the tiny hole in protist skeleton, and the soil particle concrete dynamic modulus (containing inner pore) of formation, shape are not
Regular, broken, particle is easily cementing etc. so that its engineering mechanics property has more apparent compared with general terrestrial facies, marine sediments
Difference.
There is off-lying sea islands and reefs high temperature, high humidity, with high salt, high radiation, high intensity, water shortage to lack material, and bad environments, resource are deficient
The characteristics of weary, far from continent.It is special that coral reef engineering construction is related to the engineering geology of reefs, hydrodynamic environment, reefs sand body
The contents such as sign, the stability of the mechanical characteristic of sandy soils, reefs, for the large-scale islands and reefs engineering as airfield runway etc., also
It needs demonstration to fill the stability of man-made island and building lot, and needs the construction material solved needed for large-scale construction project short
The problem of lacking.Piping lane be it is a kind of be embedded in below ground for the facilities such as pipeline, cable by facility, general present ground is dug
Foundation pit buries piping lane in foundation pit, when implementing piping lane foundation pit and piping lane installation exercise on off-lying sea islands and reefs, due to reefs sand ratio
Loosely and it is easy infiltration, so needing to carry out supporting to the soil body of foundation pit both sides；After foundation pit is dug, need to pass through gate-type
Crane lifts a section piping lane into foundation pit and these piping lanes is stitched together.On the one hand, since reefs sand compares
Loosely, gantry crane is difficult to directly travel on the ground, if being that gantry crane is laid with track on the ground, consumptive material can be very
More, transport of materials cost and construction cost are also very big.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of coral reef piping lane foundation pits
Construction system, can easily construct to piping lane foundation pit under off-lying sea coral reef soil condition, cost is relatively low.
To achieve the above object, the utility model provides a kind of construction system of coral reef piping lane foundation pit, using following skill
Art scheme：A kind of construction system of coral reef piping lane foundation pit, including it is set to the first row support pile and second row of foundation pit both sides
The top of support pile, first row support pile is equipped with the first supporting track, and the top of second row support pile is equipped with the second supporting track,
First supporting track and the second supporting track are mutually parallel, and first supporting track and the second supporting track are for supporting
The traveling wheel of gantry crane, gantry crane are used for the lifting construction materials into foundation pit.
Preferably, first supporting track is set on the waling at the top of first row support pile；Second supporting rail
Road is set on the waling at the top of second row support pile.
Preferably, the first row support pile includes the support pile arranged successively along the first supporting track length direction, the
Two row's support piles include the support pile arranged successively along the second supporting track length direction；The side of the support pile has along perpendicular
Histogram latches the long gap for having on steel pipe and vertically extending, the other side connection of support pile to the lock steel pipe of extension
There is the I-steel vertically extended；One wing plate of the I-steel is welded on the lateral wall of support pile, I-steel
Web is clipped in the long gap on adjacent support pile, another wing plate of I-steel is located in the inner cavity of lock steel pipe.
Preferably, the both sides of the lock long gap of steel pipe are welded with reinforcement steel plate, reinforce steel plate and vertically extend.
Preferably, the web of the long gap, supporting pile center and I-steel is along aligned.
Preferably, the support pile is steel-pipe pile.
Correspondingly with the construction system of coral reef piping lane foundation pit of the utility model a kind of, the utility model also provides one kind
The method of construction of the construction system of coral reef piping lane foundation pit, adopts the following technical scheme that：A kind of construction of coral reef piping lane foundation pit
The method of construction of system, for building the coral reef piping lane foundation pit described in above-mentioned technical proposal or its any preferred technical solution
Construction system, include the following steps：
1) foundation pit position is selected, and gets out operation side；
2) piling construction of first row support pile is completed along the length direction of foundation pit in the side of foundation pit；In the another of foundation pit
The piling construction of second row support pile is completed along the length direction of foundation pit in side；
3) the first supporting track is set along the length direction of foundation pit at the top of first row support pile；In second row support pile
Top along foundation pit length direction be arranged the second supporting track；
4) gantry crane drives into the first supporting track and the second supporting track is constructed.
Preferably, the first row support pile includes the support pile arranged successively along the first supporting track length direction, the
Two row's support piles include the support pile arranged successively along the second supporting track length direction；The side of the support pile has along perpendicular
Histogram latches the long gap for having on steel pipe and vertically extending, the other side connection of support pile to the lock steel pipe of extension
There is the I-steel vertically extended；One wing plate of the I-steel is welded on the lateral wall of support pile, I-steel
Web is clipped in the long gap on adjacent support pile, another wing plate of I-steel is located in the inner cavity of lock steel pipe；
In step 2), when laying first row support pile or laying second row support pile, operation is carried out in accordance with the following steps：
A) after the piling construction for completing first support pile, by the I-steel web alignment first on second support pile
Long gap on root support pile simultaneously carries out piling construction to second support pile；
B) side far from foundation pit connects a crossbeam on first support pile and second support pile, then in crossbeam
A position limiting pile is laid in the upper side far from foundation pit, and position limiting pile is against the side of crossbeam；
C) it and then is again sequentially completed the piling construction of remaining support pile, the support pile to complete foundation pit side is applied
Work；It is mutually linked by the I-steel and lock steel pipe between each support pile support pile adjacent thereto.
Preferably, in step 2), when laying first row support pile or laying second row support pile, in accordance with the following steps into
Row operation：
I) from the both ends of foundation pit wherein side length direction simultaneously to the intermediate construction for carrying out support pile；
II) when the construction supporting pilespacing at the both ends of foundation pit side length direction from for 10 pilespacings when, to what is then constructed
The stake position of support pile is detected and adjusts, so that the I-steel of two finally to construct support pile is inserted into long gap.
Preferably, in the step 2), after the piling construction for completing two adjacent support piles, it is being already inserted into work
Mortar is injected in the lock steel pipe of word steel.
As described above, the utility model is related to a kind of coral reef piping lane foundation pit construction system, have below beneficial to effect
Fruit：Due to being respectively equipped with first row support pile and second row support pile in foundation pit both sides, the top of first row support pile is equipped with the
The top of one supporting track, second row support pile is equipped with the second supporting track, and the first supporting track and the second supporting track are mutual
Parallel, the traveling wheel of the first supporting track and the second supporting track for supporting gantry crane, gantry crane is used for base
Lifting construction materials in hole；In this way, as the solid of support gantry crane at the top of first row support pile and second row support pile
Basis just no longer needs to be separately that gantry crane builds supporting base.So as to save material, construction cost is reduced.
Description of the drawings
Fig. 1 is shown as a kind of structural schematic diagram of the construction system of coral reef piping lane foundation pit of the utility model, along foundation pit
Length direction observation；
Fig. 2 is shown as support pile and is connected to the cross-sectional view of the lock steel pipe of its side；
Fig. 3 is shown as support pile and is connected to the cross-sectional view of the I-steel of its side；
Fig. 4 is shown as support pile and is connected to the cross-sectional view of the lock steel pipe of its side, I-steel；
Fig. 5 is shown as carrying out the schematic diagram of Construction of High Pressure Jet Grouting Pile to closing up stake.
Component label instructions
1 foundation pit 8 latches steel pipe
2 first row support pile, 9 long gap
3 second row support pile, 10 I-steel
4 first supporting track, 11 wing plate
5 second supporting track, 12 web
6 gantry crane, 13 high-pressure rotary jet grouting pile
7 support piles
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating specification to be taken off
The content shown is not limited to the enforceable restriction item of the utility model so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Deng term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1, the utility model provides a kind of construction system of coral reef piping lane foundation pit, including it is set to foundation pit 1
The first row support pile 2 and second row support pile 3 of both sides, the top of first row support pile 2 are equipped with the first supporting track 4, and second
The top for arranging support pile 3 is equipped with the second supporting track 5, and first supporting track, 4 and second supporting track 5 is mutually parallel, institute
It states the first supporting track 4 and the second supporting track 5 is used to support the traveling wheel of gantry crane 6, gantry crane 6 is used for base
Lifting construction materials in hole 1.Due to being respectively equipped with first row support pile 2 and second row support pile 3, first row in 1 both sides of foundation pit
The top of support pile 2 is equipped with the first supporting track 4, and the top of second row support pile 3 is equipped with the second supporting track 5, the first support
Track 4 and the second supporting track 5 are mutually parallel, and the first supporting track 4 and the second supporting track 5 are for supporting gantry crane 6
Traveling wheel, gantry crane 6 is for lifting the equal construction materials of piping lane 14 into foundation pit 1；In this way, first row support pile 2
Solid foundation with 3 top of second row support pile as support gantry crane 6 just no longer needs to be separately that gantry crane 6 is repaiied
Build supporting base.So as to save material, construction cost is reduced.
Waling is that underwater foundation is working encloses drainage facility temporarily, and in order to which operating personnel carries out construction operation, waling is
What finger surrounding in basis supported goes along with sb. to guard him collar tie beam, and waling is generally located on the top of support pile 7, implementation as one preferred
Mode, first supporting track 4 are set on the waling at 2 top of first row support pile；Second supporting track 5 is set to
On the waling at 3 top of second row support pile.In this way, cast-in-place waling can be arranged at the top of support pile 7, waling also serves as longitudinal
Track girder, the first supporting track 4 and the second supporting track 5 are arranged on waling.
In a kind of construction system of coral reef piping lane foundation pit of the utility model, the first row support pile 2 includes edge
The support pile 7 that first supporting track, 4 length direction is arranged successively, second row support pile 3 include along 5 length side of the second supporting track
To the support pile 7 arranged successively；As a preferred embodiment, as shown in Figures 2 to 4, the side tool of the support pile 7
There is the lock steel pipe 8 vertically extended, latches the long gap 9 for having on steel pipe 8 and vertically extending, support pile 7
The other side is connected with the I-steel 10 vertically extended；One wing plate 11 of the I-steel 10 is welded on support pile 7
On lateral wall, the web 12 of I-steel 10 is clipped in the long gap 9 on adjacent support pile 7, another wing plate 11 of I-steel 10
In the inner cavity of lock steel pipe 8.In this way, by latching steel pipe 8 and the linking lock of I-steel 10 between two adjacent support piles 7
It detains, is completely embedded between each support pile 7, mutually supported.Preferably, the support pile 7 is using steel-pipe pile, in order to prevent flow
Enter into lock steel pipe 8, as a preferred embodiment, after the piling construction of two adjacent support piles 7 of completion,
It between two adjacent support piles 7 and is already inserted into the lock steel pipe 8 of I-steel 10 and injects mortar, mortar uses high fluidity
Weak sand is starched, and slurry composition includes cement, flyash, water and waterglass, and weight proportion is：Cement:Flyash:Water:Waterglass
=56:508:338:560.Into lock steel pipe 8 first with giant to being cleared up in fore shaft steel pipe before injection mortar, so
Use high fluidity weak sand slurry injection lock steel pipe 8 again afterwards.It, can be in order to reinforce latching the intensity at the long gap 9 on steel pipe 8
It is welded with reinforcement steel plate in the both sides of the lock 8 long gap 9 of steel pipe, reinforces steel plate and vertically extends, 9 both sides of long gap
Reinforce steel plate, plate thickness 1cm together every one meter of welding.As a preferred embodiment, as shown in figure 4, the long gap
9, the web 12 of 7 center of support pile and I-steel 10 is along aligned.
Correspondingly with the construction system of coral reef piping lane foundation pit of the utility model a kind of, the utility model also provides one kind
The method of construction of the construction system of coral reef piping lane foundation pit, for building above-mentioned technical proposal or its any preferred technical solution
The construction system of the coral reef piping lane foundation pit, includes the following steps：
1) foundation pit position is selected, and gets out operation side；
2) piling construction of first row support pile 2 is completed along the length direction of foundation pit 1 in the side of foundation pit；In the another of foundation pit
The piling construction of second row support pile 3 is completed along the length direction of foundation pit 1 in side；
3) first supporting track 4 is set along the length direction of foundation pit 1 at the top of first row support pile 2；In second row branch
The second supporting track 5 is arranged along the length direction of foundation pit 1 in the top of fender pile 3；
4) gantry crane 6 drives into the first supporting track 4 and the second supporting track 5 is constructed.
A kind of method of construction of the construction system of coral reef piping lane foundation pit of the utility model also has above-mentioned reality certainly
With a kind of advantageous effect of the construction system of novel coral reef piping lane foundation pit, details are not described herein again.
In a kind of preferred embodiment of the construction system of coral reef piping lane foundation pit of the utility model, the first row
Support pile 2 includes the support pile 7 arranged successively along 4 length direction of the first supporting track, and second row support pile 3 includes along second
The support pile 7 that support 5 length direction of track is arranged successively；The side of the support pile 7 has the lock steel vertically extended
Pipe 8 latches the long gap 9 for having on steel pipe 8 and vertically extending, and the other side of support pile 7, which is connected with, vertically prolongs
The I-steel 10 stretched；One wing plate 11 of the I-steel 10 is welded on the lateral wall of support pile 7, the web 12 of I-steel 10
It is clipped in the long gap 9 on adjacent support pile 7, another wing plate 11 of I-steel 10 is located in the inner cavity of lock steel pipe 8.It is building
When making the construction system of coral reef piping lane foundation pit of this preferred embodiment, in above-mentioned steps 2) in, lay first row support pile 2 or
When laying second row support pile 3, operation is carried out in accordance with the following steps：
A) after the piling construction for completing first support pile 7,10 web 12 of I-steel on second support pile 7 is right
Long gap 9 on accurate first support pile 7 simultaneously carries out piling construction to second support pile 7；
B) crossbeam is connected with the side far from foundation pit on second support pile 7 in first support pile 7, then in cross
A position limiting pile is laid in the side far from foundation pit on beam, and position limiting pile is against the side of crossbeam；
C) it and then is again sequentially completed the piling construction of remaining support pile 7, to complete the support pile 7 of foundation pit 1 side
Construction；It is mutually linked by the I-steel 10 and lock steel pipe 8 between the support pile 7 adjacent thereto of each support pile 7.
As a preferred embodiment, in step 2), lays first row support pile 2 or lay second row support pile
When 3, operation is carried out in accordance with the following steps：
I) from the both ends of the wherein side length direction of foundation pit 1 simultaneously to the intermediate construction for carrying out support pile 7；
II) when the construction supporting stake 7 at the both ends of 1 side length direction of foundation pit is apart from for 10 pilespacings, (pilespacing refers to two
Centre-to-centre spacing between a adjacent support pile) when, the stake position of the support pile 7 to then constructing is detected and adjusts, so that finally
The I-steel 10 of two support piles 7 of construction is inserted into long gap 9.
As a preferred embodiment, in the step 2), the piling construction of two adjacent support piles 7 is completed
Later, mortar is injected in the lock steel pipe 8 for being already inserted into I-steel 10.Water can be prevented to be flowed into lock steel pipe 8 in this way
And it is flowed into foundation pit 1 through the gap between support pile 7.
Before carrying out foundation pit construction, preparation is first carried out：Diversion channel is first excavated, seawater is deflected from into operation side；
Soil cofferdam is filled, operation side is created；Mechanical equipment and rapidoprint etc. are marched into the arena；Handling supporting is hung using 2 points, and is noted
Meaning protects lock steel pipe 8, prevents lock steel pipe 8 from deforming, and the layering of support pile 7 is deposited on flat firm place (place progress
Compaction treatment), 7 quantity of support pile put per layer heap is no more than 3 layers, and each interlayer bolster wood, chock spacing is 3-4 meters, and upper and lower
Layer chock should be in same vertical line.When waters is constructed, land using the cooperation transhipment lifting of 25T truck cranes, cooperation waters has lock
Detain the construction of the support pile 7 of steel pipe 8.Land-based area fore shaft steel pipe support pile 7 is made using 120t crawler cranes cooperation APE200-6 vibration hammers
For piling machinery.Steel-pipe pile sequence of construction：From side by root application work, until waters fore shaft steel pipe support pile 7 has all been beaten.Piling
Before, (mixing ratio by weight is coating butter mixture ointment on the interior outside of support pile 7 and lock steel pipe 8：Butter：Pitch：It is dry
Sawdust：Dry clay=2：2：2：1), to reduce frictional resistance when inserting piling, and reinforce barrier performance.First with crane ship by steel-pipe pile
It is hung at stake position progress pitching pile, survey crew coordinates positioning, and when pitching pile will make the long gap 9 on lock steel pipe 8 and adjacent supporting
I-steel 10 in stake 7 is aligned, and is fixed vibration hammer in the stake top of support pile 7 after insertion, is hammered.There are two links when piling
It is most important：When the inserting piling of first support pile 7, second is that closing up the processing of place's support pile 7.First support pile 7, second
Support pile 7 must assure that position is accurate and vertical；It has beaten after second support pile 7 in first support pile 7 and second branch
Support of the 14a I-steel of a 50cm long as crossbeam is respectively welded in the outside (side far from foundation pit 1) of fender pile 7, by 1 root long
It is used as crossbeam above 6 meters of 25a I-steel placing flat, and is welded and fixed, setting a 25a I-steel by cross rail outer makees
It is limited for position limiting pile.Set the 3rd, 4,5 pile when, measure the outer arm of stake to 25a I-steel distance to be positioned.
Since cofferdam is longer, the interval error between steel-pipe pile is also larger, therefore the support pile 7 for closing up place needs especially to locate
Reason.When getting to foundation pit 1 and angular position occur, surveys and close up the distance between a little, the web 12 for being lengthened or shortened I-steel 10 is wide
Degree adjusts the distance between steel-pipe pile with this, if apart from excessive, can especially process one or two support pile 7 again, and making to close up can be at
Work(is completed.When the construction supporting stake 7 at the both ends of 1 side length direction of foundation pit apart from for 10 pilespacings when, to the branch then constructed
The stake position of fender pile 7 is detected and adjusts, so that the I-steel 10 of two finally to construct support pile 7 is inserted into long gap 9.
Closing up the support pile 7 at place can not possibly latch completely, to ensure to close up the quality for the stake position for locating support pile 7, as shown in figure 5, from
Upward third root support pile 7 and the 4th support pile 7 dock and close up down, and high-pressure rotary jet grouting pile is applied in the stake position for closing up place
13, stake diameter 800mm, pile center spacing 600mm apply two rows, and using 42.5R cement, the ratio of mud 1.0 sprays pressure 20Mpa's
Mortar carries out churning, and pile body is averaged cement consumption 450kg/m.After the completion of support pile 7 is constructed, earth excavation is carried out, carries out piping lane
The construction of foundation pit 1 pulls out support pile 7 after piping lane installation is completed.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (6)
1. a kind of construction system of coral reef piping lane foundation pit, characterized in that the first row supporting including being set to foundation pit (1) both sides
The top of stake (2) and second row support pile (3), first row support pile (2) is equipped with the first supporting track (4), second row support pile
(3) top is equipped with the second supporting track (5), and first supporting track (4) and the second supporting track (5) are mutually parallel, institute
It states the first supporting track (4) and the second supporting track (5) is used to support the traveling wheel of gantry crane (6), gantry crane (6)
For the lifting construction materials into foundation pit (1).
2. the construction system of coral reef piping lane foundation pit according to claim 1, it is characterised in that：First supporting track
(4) it is set on the waling at the top of first row support pile (2)；Second supporting track (5) is set to second row support pile (3)
On the waling at top.
3. the construction system of coral reef piping lane foundation pit according to claim 1, it is characterised in that：The first row support pile
(2) include the support pile (7) arranged successively along the first supporting track (4) length direction, second row support pile (3) includes along second
The support pile (7) that supporting track (5) length direction is arranged successively；
The side of the support pile (7) has the lock steel pipe (8) vertically extended, has along perpendicular on lock steel pipe (8)
For histogram to the long gap (9) of extension, the other side of support pile (7) is connected with the I-steel (10) vertically extended；
One wing plate (11) of the I-steel (10) is welded on the lateral wall of support pile (7), the web of I-steel (10)
(12) it is clipped in the long gap (9) on adjacent support pile (7), another wing plate (11) of I-steel (10) is located at lock steel pipe
(8) in inner cavity.
4. the construction system of coral reef piping lane foundation pit according to claim 3, it is characterised in that：The lock steel pipe (8)
The both sides of long gap (9) are welded with reinforcement steel plate, reinforce steel plate and vertically extend.
5. the construction system of coral reef piping lane foundation pit according to claim 3, it is characterised in that：The long gap (9), branch
The web (12) of fender pile (7) center and I-steel (10) is along aligned.
6. the construction system of coral reef piping lane foundation pit according to claim 1, it is characterised in that：The support pile (7) is
Steel-pipe pile.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108166507A (en) * | 2018-01-31 | 2018-06-15 | 中交上海三航科学研究院有限公司 | The construction system and its method of construction of coral reef piping lane foundation pit |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166507A (en) * | 2018-01-31 | 2018-06-15 | 中交上海三航科学研究院有限公司 | The construction system and its method of construction of coral reef piping lane foundation pit |
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