CN208472649U - A kind of Gravity Type Casisson Berth structure setting friction pile in foundation - Google Patents
A kind of Gravity Type Casisson Berth structure setting friction pile in foundation Download PDFInfo
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- CN208472649U CN208472649U CN201820458330.9U CN201820458330U CN208472649U CN 208472649 U CN208472649 U CN 208472649U CN 201820458330 U CN201820458330 U CN 201820458330U CN 208472649 U CN208472649 U CN 208472649U
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Abstract
The utility model discloses a kind of to set the Gravity Type Casisson Berth structure of friction pile in foundation, including rubble-mound foundation, caisson, cover board and breastwork, rubble-mound foundation is located on sand foundation, sand foundation is respectively shallow-layer sandy soils, soft interlayer and deep layer sandy soils from top to bottom, it is provided with friction pile below rubble-mound foundation, the axis and vertical direction of the friction pile are in 0 ° of -60 ° of angle and its top is tilted to the land-based area direction of harbour；The top of the friction pile is located in shallow-layer sandy soils or rubble-mound foundation, and bottom end passes through soft interlayer and is located in deep layer sandy soils.The friction pile for preventing harbour foundation level from sliding is arranged in the Gravity Type Casisson Berth structure of the utility model in the sand foundation containing soft interlayer, it avoids the large cross section excavation to foundation and changes and fill out, friction pile is directly squeezed into sand foundation, without carrying out the closely knit processing of Change and fill groundsill, the duration is not only shortened, project cost is more drastically reduced.
Description
Technical field
The utility model belongs to the building structure in port engineering technical field, and in particular to one kind is set in foundation
The Gravity Type Casisson Berth structure of friction pile.
Background technique
Gravity type quay is that China is distributed more widely, using a kind of more dock structure form, with firm in structure resistance to
With, frost resistance and anti-ice it is good, biggish landing load and ship load can be born, to biggish concentrfated load and harbour
The advantages that overcharge on ground and adaptable, construction is simple and maintenance cost are small loading and unloading capacity variation.
Gravity type quay is generally built on the foundation with good bearing capacity, such as rock foundation and sand foundation
Deng.Gravity type quay can be divided into following several forms by wall structure: whole masonry formula, square build formula, caisson type and help
Wall type.
The Gravity Type Casisson Berth of traditional form such as Fig. 1 shows, by Change and fill groundsill 1, rubble-mound foundation 2, caisson 3, cover board 4 and chest
The composition such as wall 6 will build the Gravity Type Casisson Berth of traditional form, then need when containing soft interlayer in sand foundation
The foundation excavation of big cross section is carried out, soft layer is removed, back-up sand soil or block stone is then changed, deep Change and fill groundsill 1 is formed, to protect
Card harbour basis does not occur horizontal sliding destruction.It does so, one side soil excavation and soil removal enginnering amount are big, especially in sandstone
Expect the area lacked, project cost can be dramatically increased；On the other hand, 1 constructional difficulties of Change and fill groundsill are built under deep water, such as
Change and fill groundsill 1 needs to do closely knit processing, inevitably results in project cost height；In addition, largely excavating, changing and fill out and closely knit processing work
Make, but also harbour construction duration is longer.Therefore, when there is soft interlayer in sand foundation, the gravity of traditional form is built
Formula caisson wharf, cost are high, long in time limit.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provides and a kind of set friction pile in foundation
Friction pile is arranged in Gravity Type Casisson Berth structure and its method of construction, the structure in the sand foundation containing soft interlayer,
Guarantee that harbour basis does not occur horizontal sliding destruction, while also not needing to carry out the foundation excavation of big cross section and changing back-up sand stone
Material, to reduce project cost, shortens the duration.
The utility model is achieved through the following technical solutions:
A kind of Gravity Type Casisson Berth structure setting friction pile in foundation, including rubble-mound foundation, caisson, cover board and
Breastwork, rubble-mound foundation are located on sand foundation, and caisson is arranged on rubble-mound foundation, and the top horizontal of caisson is provided with cover board, lid
Plate top surface is vertically arranged with breastwork, is provided with friction pile below the rubble-mound foundation, the axis and vertical direction of the friction pile
In 0 ° of -60 ° of angle and its top is tilted to the land-based area direction of harbour；The sand foundation is respectively shallow-layer sand from top to bottom
Layer, soft interlayer and deep layer sandy soils, the top of the friction pile are located in shallow-layer sandy soils or rubble-mound foundation, and bottom end passes through
Soft interlayer is located in deep layer sandy soils.
In the above-mentioned technical solutions, the shallow-layer sandy soils with a thickness of 5m-30m, soft interlayer with a thickness of 0.1m-
10m。
In the above-mentioned technical solutions, when the top of the friction pile is located at shallow-layer sandy soils, the friction pile is located at shallow
Length in layer sandy soils is not less than the 1/4 of shallow-layer sandy soils thickness.
In the above-mentioned technical solutions, the friction pile rectangular array is arranged, interlaced between each friction pile.
In the above-mentioned technical solutions, stake spacing of the friction pile along frontage direction is 2m-20m, with harbour bank
The stake spacing in the perpendicular direction of line is 2m-20m.
In the above-mentioned technical solutions, the friction pile is concrete-pile or hollow piling bar, and the circumscribed circle diameter of stake is
0.5m-5m。
In the above-mentioned technical solutions, it is beaten by the way of pile follower when the top of the friction pile is located at the sandy soils of shallow-layer
Stake；It is driven piles by the way of piling when being located in rubble-mound foundation on the top of the friction pile.
In the above-mentioned technical solutions, the angle that the axis of the friction pile and vertical direction are in is preferably 15 ° -45 °.
In the above-mentioned technical solutions, stake spacing of the friction pile along frontage direction is preferably 5m-10m, with code
The stake spacing in the perpendicular direction of head water front is preferably 5m-10m.
In the above-mentioned technical solutions, the friction pile is concrete-pile or hollow piling bar, and the circumscribed circle diameter of stake is preferred
For 1m-3m.
A kind of method of construction for the Gravity Type Casisson Berth structure setting friction pile in foundation:
(1) according to the shape and scale of rubble-mound foundation in harbour cross section, submarine soil layer is excavated to rubble-mound foundation bottom mark
High depth；
(2) prefabricated friction pile oblique cutting is squeezed into sand foundation, friction pile bottom end is made to pass through the weak folder of sand foundation
Layer soil enters in the sandy soils of deep layer, while guaranteeing that the top of friction pile is tilted to the land-based area direction of harbour；
(3) throwing rubble-mound foundation and do compacting and leveling processing；
(4) by prefabricated caisson placing on rubble-mound foundation, then first into caisson, throwing backfill is expected, on rear side of backward caisson
Throwing backfill material；
(5) prefabricated cover board is mounted at the top of caisson；
(6) cast in situs breastwork；
(7) it backfills harbour rear and leveling processing is carried out to harbour top surface, install and build other harbour affiliated facilities.
It the advantages of the utility model and has the beneficial effect that
(1) the Gravity Type Casisson Berth structure of the utility model is arranged in the sand foundation containing soft interlayer and prevents
The friction pile of harbour foundation level sliding avoids the large cross section excavation to foundation and changes and fill out, not only shortens the duration, more
Add and drastically reduces project cost.
(2) friction pile of the utility model is directly squeezed into sand foundation, without carrying out the closely knit processing of Change and fill groundsill, is saved
About construction cost.
(3) the Gravity Type Casisson Berth structure construction of the utility model is convenient, and structure is simple, without largely being opened
It digs, change and fill out and closely knit processing work, shortening harbour construction duration.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the Gravity Type Casisson Berth structure of traditional form.
Fig. 2 is the schematic cross-sectional view of the utility model Gravity Type Casisson Berth structure.
Fig. 3 is the plan view of the friction pile of the utility model.
Wherein:
1: Change and fill groundsill, 2: rubble-mound foundation, 3: caisson, 4: cover board, 5: harbour top surface, 6: breastwork, 7: foundation trench excavation line, 8:
Foundation soil line of demarcation, 9: shallow-layer sandy soils, 10: soft interlayer, 11: deep layer sandy soils, 12: friction pile.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.It should be understood that
Following embodiments be it is illustrative, be not restrictive, the protection scope of the utility model cannot be limited with following embodiments.
Assuming that requiring the harbour face a height of+2.8m of top mark built, the basin mud face absolute altitude before harbour is -18.5m.Former seabed
Face absolute altitude is -11.0m, and in sand foundation soil layer, absolute altitude -11.0m to -33.0m is shallow-layer sandy soils 9, absolute altitude -33.0m to -
39.0m is soft interlayer 10, and soft interlayer 10 is with a thickness of 6m, and the following are deep layer sandy soils 11 by absolute altitude -39.0m.Pierre perdue
Bed 1 cross section be it is trapezoidal, bottom absolute altitude be -24.5m, bottom width 37m, top mark a height of -18.5m, top width 22m；Caisson 3 is seated throwing
On ground mass bed 1, caisson 3 bottom width 17.0m, high 19.0m, a height of+0.5m of top mark；4 thickness 0.5m of cover board, 1.8m high, the bottom width of breastwork 6
4.9m, top width 2.2m.The reference plane of above-mentioned all elevation dimensions is local lowest astronomical tide face.
Embodiment one
A kind of Gravity Type Casisson Berth structure setting friction pile in foundation as shown in Figure 2, including rubble-mound foundation
1, caisson 3, cover board 4, breastwork 6 and other harbour affiliated facilities, caisson 3, cover board 4 and breastwork 6 are concrete structure, antiskid
Stake 12 is cylindrical hollow piling bar；Rubble-mound foundation 1 is located on sand foundation, which is respectively shallow-layer sand from top to bottom
Soil layer 9, soft interlayer 10 and deep layer sandy soils 11 (being separated between each layer by foundation soil line of demarcation 8), the setting of caisson 3 are being thrown
On the top surface of ground mass bed 1, the top horizontal of caisson 3 is provided with cover board 4, and 4 top surface of cover board is vertically arranged with breastwork 6.In pierre perdue
1 lower section of bed is provided with friction pile 12, the axis of the friction pile 12 and vertical direction in 15 ° of angles and land-based area from its top to harbour
Direction inclination, the top of friction pile 12 are located in shallow-layer sandy soils 9, and top absolute altitude is -28m, and bottom end passes through soft interlayer 10
In deep layer sandy soils 11, bottom end absolute altitude is -50m, as shown in Figure 3: the arrangement of 12 rectangular array of friction pile, each friction pile 12
Between it is interlaced, stake spacing of the friction pile 12 along frontage direction is 5m, stake spacing with the perpendicular direction of frontage
For 6m, the circumscribed circle diameter of friction pile 12 is 1m.
The size of the friction pile 12 calculates " the gravity type code published according to People's Transportation Press and in April, 2009
Head design and construction specification ".
Friction pile 12 is arranged in Gravity Type Casisson Berth structure of the invention in the sand foundation containing soft interlayer 10,
The axis of friction pile 12 and vertical direction is in 15 ° of angles and its top is tilted to the land-based area direction of harbour, prevent harbour top surface 5 to
The sliding of waters direction, while the stability of friction pile 12 is enhanced in the arrangement of staggered rectangular array, it avoids to foundation
Large cross section excavation and changing fill out, not only shorten the duration, more drastically reduce project cost.
A kind of method of construction of Gravity Type Casisson Berth structure setting friction pile in foundation of the invention is according to such as
Lower step carries out:
(1) first in components such as the prefabricated friction pile 12 in land, caisson 3 and cover boards 4, according to pierre perdue in harbour cross section
Submarine soil layer, the depth of 1 bottom absolute altitude -24.5m of rubble-mound foundation is excavated to along foundation trench excavation line 7 by the shape and scale of bed 1；
(2) by prefabricated friction pile 12, oblique cutting is squeezed into sand foundation by the way of pile follower, wears 12 bottom end of friction pile
The soft interlayer 10 for crossing sand foundation enters in deep layer sandy soils 11, while guaranteeing the top of friction pile 12 to the land-based area of harbour
Direction inclination saves construction cost without carrying out the closely knit processing of Change and fill groundsill 1；
(3) throwing rubble-mound foundation 1 and do compacting and leveling processing；
(4) prefabricated caisson 3 is mounted on rubble-mound foundation 1, then first into caisson 3, throwing backfill is expected, backward caisson 3
Rear side throwing backfill material；
(5) prefabricated cover board 4 is mounted on 3 top of caisson；
(6) cast in situs breastwork 6；
(7) it backfills harbour rear and leveling processing is carried out to harbour top surface 5, install and build other harbour affiliated facilities.
Gravity Type Casisson Berth structure construction of the invention is convenient, and structure is simple, fill out without largely being excavated, changed and
Harbour construction duration is shortened in closely knit processing work.
Embodiment two
A kind of Gravity Type Casisson Berth structure setting friction pile in foundation as shown in Figure 2, including rubble-mound foundation
1, caisson 3, cover board 4, breastwork 6 and other harbour affiliated facilities, caisson 3, cover board 4 and breastwork 6 are concrete structure, antiskid
Stake 12 is cylindrical hollow piling bar；Rubble-mound foundation 1 is located on sand foundation, which is respectively shallow-layer sand from top to bottom
Soil layer 9, soft interlayer 10 and deep layer sandy soils 11 (being separated between each layer by foundation soil line of demarcation 8), the setting of caisson 3 are being thrown
On the top surface of ground mass bed 1, the top horizontal of caisson 3 is provided with cover board 4, and 4 top surface of cover board is vertically arranged with breastwork 6.In pierre perdue
1 lower section of bed is provided with friction pile 12, the axis of the friction pile 12 and vertical direction in 30 ° of angles and land-based area from its top to harbour
Direction inclination, the top of friction pile 12 are located in shallow-layer sandy soils 9, and top absolute altitude is -25m, and bottom end passes through soft interlayer 10
In deep layer sandy soils 11, bottom end absolute altitude is -50m, as shown in Figure 3: the arrangement of 12 rectangular array of friction pile, each friction pile 12
Between it is interlaced, stake spacing of the friction pile 12 along frontage direction is 6m, stake spacing with the perpendicular direction of frontage
For 8m, the circumscribed circle diameter of friction pile 12 is 2m.
The size of the friction pile 12 calculates " the gravity type code published according to People's Transportation Press and in April, 2009
Head design and construction specification ".
Friction pile 12 is arranged in Gravity Type Casisson Berth structure of the invention in the sand foundation containing soft interlayer 10,
The axis of friction pile 12 and vertical direction is in 30 ° of angles and its top is tilted to the land-based area direction of harbour, prevent harbour top surface 5 to
The sliding of waters direction, while the stability of friction pile 12 is enhanced in the arrangement of staggered rectangular array, it avoids to foundation
Large cross section excavation and changing fill out, not only shorten the duration, more drastically reduce project cost.
A kind of method of construction of Gravity Type Casisson Berth structure setting friction pile in foundation of the invention is according to such as
Lower step carries out:
(1) first in components such as the prefabricated friction pile 12 in land, caisson 3 and cover boards 4, according to pierre perdue in harbour cross section
Submarine soil layer, the depth of 1 bottom absolute altitude -24.5m of rubble-mound foundation is excavated to along foundation trench excavation line 7 by the shape and scale of bed 1；
(2) by prefabricated friction pile 12, oblique cutting is squeezed into sand foundation by the way of pile follower, wears 12 bottom end of friction pile
The soft interlayer 10 for crossing sand foundation enters in deep layer sandy soils 11, while guaranteeing the top of friction pile 12 to the land-based area of harbour
Direction inclination saves construction cost without carrying out the closely knit processing of Change and fill groundsill 1；
(3) throwing rubble-mound foundation 1 and do compacting and leveling processing；
(4) prefabricated caisson 3 is mounted on rubble-mound foundation 1, then first into caisson 3, throwing backfill is expected, backward caisson 3
Rear side throwing backfill material；
(5) prefabricated cover board 4 is mounted on 3 top of caisson；
(6) cast in situs breastwork 6；
(7) it backfills harbour rear and leveling processing is carried out to harbour top surface 5, install and build other harbour affiliated facilities.
Gravity Type Casisson Berth structure construction of the invention is convenient, and structure is simple, fill out without largely being excavated, changed and
Harbour construction duration is shortened in closely knit processing work.
Embodiment three
A kind of Gravity Type Casisson Berth structure setting friction pile in foundation as shown in Figure 2, including rubble-mound foundation
1, caisson 3, cover board 4, breastwork 6 and other harbour affiliated facilities, caisson 3, cover board 4 and breastwork 6 are concrete structure, antiskid
Stake 12 is cylindrical hollow piling bar；Rubble-mound foundation 1 is located on sand foundation, which is respectively shallow-layer sand from top to bottom
Soil layer 9, soft interlayer 10 and deep layer sandy soils 11 (being separated between each layer by foundation soil line of demarcation 8), the setting of caisson 3 are being thrown
On the top surface of ground mass bed 1, the top horizontal of caisson 3 is provided with cover board 4, and 4 top surface of cover board is vertically arranged with breastwork 6.In pierre perdue
1 lower section of bed is provided with friction pile 12, the axis of the friction pile 12 and vertical direction in 45 ° of angles and land-based area from its top to harbour
Direction inclination, the top of friction pile 12 are located in rubble-mound foundation 1, and top absolute altitude is -20m, and bottom end passes through soft interlayer 10
In in deep layer sandy soils 11, bottom end absolute altitude is -50m, as shown in Figure 3: the arrangement of 12 rectangular array of friction pile, each friction pile 12 it
Between it is interlaced, stake spacing of the friction pile 12 along frontage direction is 8m, and the stake spacing with the perpendicular direction of frontage is
10m, the circumscribed circle diameter of friction pile 12 are 3m.
The size of the friction pile 12 calculates " the gravity type code published according to People's Transportation Press and in April, 2009
Head design and construction specification ".
Friction pile 12 is arranged in Gravity Type Casisson Berth structure of the invention in the sand foundation containing soft interlayer 10,
The axis of friction pile 12 and vertical direction is in 45 ° of angles and its top is tilted to the land-based area direction of harbour, prevent harbour top surface 5 to
The sliding of waters direction, while the stability of friction pile 12 is enhanced in the arrangement of staggered rectangular array, it avoids to foundation
Large cross section excavation and changing fill out, not only shorten the duration, more drastically reduce project cost.
A kind of method of construction of Gravity Type Casisson Berth structure setting friction pile in foundation of the invention is according to such as
Lower step carries out:
(1) first in components such as the prefabricated friction pile 12 in land, caisson 3 and cover boards 4, according to pierre perdue in harbour cross section
Submarine soil layer, the depth of 1 bottom absolute altitude -24.5m of rubble-mound foundation is excavated to along foundation trench excavation line 7 by the shape and scale of bed 1；
(2) by prefabricated friction pile 12, oblique cutting is squeezed into sand foundation by the way of piling, wears 12 bottom end of friction pile
The soft interlayer 10 for crossing sand foundation enters in deep layer sandy soils 11, while guaranteeing the top of friction pile 12 to the land-based area of harbour
Direction inclination saves construction cost without carrying out the closely knit processing of Change and fill groundsill 1；
(3) throwing rubble-mound foundation 1 and do compacting and leveling processing；
(4) prefabricated caisson 3 is mounted on rubble-mound foundation 1, then first into caisson 3, throwing backfill is expected, backward caisson 3
Rear side throwing backfill material；
(5) prefabricated cover board 4 is mounted on 3 top of caisson；
(6) cast in situs breastwork 6；
(7) it backfills harbour rear and leveling processing is carried out to harbour top surface 5, install and build other harbour affiliated facilities.
Gravity Type Casisson Berth structure construction of the invention is convenient, and structure is simple, fill out without largely being excavated, changed and
Harbour construction duration is shortened in closely knit processing work.
The spatially relative terms such as "upper", "lower", "left", "right" have been used in embodiment for ease of explanation, have been used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position
In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical
The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relationship or
Sequentially.
Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model
In the case where the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc.
The protection scope of the utility model is each fallen with replacement.
Claims (10)
1. a kind of Gravity Type Casisson Berth structure for setting friction pile in foundation, including rubble-mound foundation, caisson, cover board and chest
Wall, rubble-mound foundation are located on sand foundation, and caisson is arranged on rubble-mound foundation, and the top horizontal of caisson is provided with cover board, cover board
Top surface is vertically arranged with breastwork, it is characterised in that: be provided with friction pile below the rubble-mound foundation, the axis of the friction pile with
Vertical direction is in 0 ° of -60 ° of angle and its top is tilted to the land-based area direction of harbour；The sand foundation is respectively from top to bottom
The top of shallow-layer sandy soils, soft interlayer and deep layer sandy soils, the friction pile is located in shallow-layer sandy soils or rubble-mound foundation,
Bottom end passes through soft interlayer and is located in deep layer sandy soils.
2. the Gravity Type Casisson Berth structure according to claim 1 for setting friction pile in foundation, it is characterised in that:
The shallow-layer sandy soils with a thickness of 5m-30m, soft interlayer with a thickness of 0.1m-10m.
3. the Gravity Type Casisson Berth structure according to claim 1 for setting friction pile in foundation, it is characterised in that:
When the top of the friction pile is located at shallow-layer sandy soils, the friction pile is located at the length in shallow-layer sandy soils not less than shallow-layer
The 1/4 of sandy soils thickness.
4. the Gravity Type Casisson Berth structure according to claim 1 for setting friction pile in foundation, it is characterised in that:
The friction pile rectangular array is arranged, interlaced between each friction pile.
5. the Gravity Type Casisson Berth structure according to claim 1 for setting friction pile in foundation, it is characterised in that:
Stake spacing of the friction pile along frontage direction is 2m-20m, and the stake spacing with the perpendicular direction of frontage is 2m-
20m。
6. the Gravity Type Casisson Berth structure according to claim 1 for setting friction pile in foundation, it is characterised in that:
The friction pile is concrete-pile or hollow piling bar, and the circumscribed circle diameter of stake is 0.5m-5m.
7. the Gravity Type Casisson Berth structure according to claim 1 for setting friction pile in foundation, it is characterised in that:
It is driven piles by the way of pile follower when being located at the sandy soils of shallow-layer on the top of the friction pile；The top of the friction pile is located at jackstone
It is driven piles by the way of piling when in bedding.
8. the Gravity Type Casisson Berth structure according to claim 1 for setting friction pile in foundation, it is characterised in that:
The angle that the axis and vertical direction of the friction pile are in is preferably 15 ° -45 °.
9. the Gravity Type Casisson Berth structure according to claim 5 for setting friction pile in foundation, it is characterised in that:
Stake spacing of the friction pile along frontage direction is preferably 5m-10m, excellent with the stake spacing in the perpendicular direction of frontage
It is selected as 5m-10m.
10. the Gravity Type Casisson Berth structure according to claim 6 for setting friction pile in foundation, feature exist
In: the friction pile is concrete-pile or hollow piling bar, and the circumscribed circle diameter of stake is preferably 1m-3m.
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| CN201820458330.9U CN208472649U (en) | 2018-03-30 | 2018-03-30 | A kind of Gravity Type Casisson Berth structure setting friction pile in foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318366A (en) * | 2018-03-30 | 2019-10-11 | 天津大学 | The Gravity Type Casisson Berth structure and its method of construction of friction pile are set in foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110318366A (en) * | 2018-03-30 | 2019-10-11 | 天津大学 | The Gravity Type Casisson Berth structure and its method of construction of friction pile are set in foundation |
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Granted publication date: 20190205 Termination date: 20210330 |