CN103953004A - Stepped multilevel sea reclamation method and sea reclamation dams provided with downward insertion caissons - Google Patents
Stepped multilevel sea reclamation method and sea reclamation dams provided with downward insertion caissons Download PDFInfo
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- CN103953004A CN103953004A CN201410211158.3A CN201410211158A CN103953004A CN 103953004 A CN103953004 A CN 103953004A CN 201410211158 A CN201410211158 A CN 201410211158A CN 103953004 A CN103953004 A CN 103953004A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a stepped multilevel sea reclamation method and sea reclamation dams provided with downward insertion caissons. Stepped multilevel sea reclamation dam structures are adopted, sea reclamation processes of building and filling sand are carried out in a graded manner from bottom to top in sequence, the sea reclamation dams in different levels are isolated, are parallel to each other and are gradually ascended from the sea side to the land side so as to be stepped; the sea reclamation dam of each level is formed by connecting a plurality of sea reclamation dam unit components, which are provided with the downward insertion caissons and are used for stepped multilevel sea reclamation, the transverse soil pressure of the sea reclamation dams is decomposed to multiple levels through the stepped multilevel sea reclamation dam structures, the soil pressure of each level is small, so that the security coefficient of the sea reclamation dams is improved, and the impact of waves can be reduced through the multilevel steps, thus the section size of the sea reclamation dams can be reduced, the material utilization amount is low, the investment and the construction difficulty are reduced, the construction efficiency is high, the cost is reduced, the construction period is short, and the effect is better, particularly in a deep sea reclamation water area.
Description
Technical field
The present invention relates to marine structure field.
Background technology
Along with expanding economy, producing and living all needs a large amount of lands used, and soil is more and more nervous, to strategic point, sea, is exactly one of solution, and sea reclamation is exactly that the mankind are to the method in strategic point, sea.During sea reclamation, first will mole be around built in extra large marine site or low bank between fields is enclosed in sea reclamation filling out, will fill out extra large marine site and isolate with sea, the sand of then dredging at off-lying sea place with large dredger, to territory, reclamation area, makes territory, reclamation area become land the silt hydraulic reclamation digging out.The extra large side of low bank between fields is enclosed in sea reclamation and the mud face of land side has difference in height, the difference in height of mud face forms lateral earth pressure, it is unstable that the effect of soil pressure can make sea reclamation enclose low bank between fields, easily produces differential settlement and enclose low bank between fields distortion, if the poor safety value that surpasses of soil pressure even can cave in.The marine site of sea reclamation is darker, and the extra large side of low bank between fields is enclosed in sea reclamation and the mud face difference in height of land side is larger, and the possibility of caving in is larger.Owing to filling out, extra large engineering quantity is very big, the time of construction is long, in work progress, may run into exceedingly odious weather and sea situation, exceedingly odious weather and sea situation form storm tide, the wave of storm tide encloses low bank between fields and forms great impact enclosing the mole of extra large use or sea reclamation, even causes sea reclamation failure.For preventing that above-mentioned situation from occurring, when low bank between fields is enclosed in design mole or sea reclamation, must increase the cross dimensions that low bank between fields is enclosed in mole or sea reclamation, to gain in strength and safety factor, make material usage many, increased difficulty and the engineering quantity of construction, therefore cost rises, investment strengthens, and especially in darker waters, cost can be multiplied.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of multistage sea reclamation method of step and sea reclamation with lower slotting caisson to enclose low bank between fields, in the situation that guaranteeing that low bank between fields safety is enclosed in sea reclamation, reduce the cross dimensions that low bank between fields is enclosed in sea reclamation, material usage is few, reduce investment and difficulty of construction, efficiency of construction is high, reduces costs, and the construction period is short, especially in darker waters, better effects if.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: low bank between fields is enclosed in a kind of multistage sea reclamation method of step and sea reclamation with lower slotting caisson, and the step of multistage sea reclamation method comprises:
(A). low bank between fields unit member is enclosed in the sea reclamation that a plurality of multistage sea reclamations of step with lower slotting caisson of reinforced concrete member precasting yard construction are by land used, unit member is overall structure, comprises being positioned at enclosing the lower slotting caisson body of low bank between fields unit member bottom and being positioned at the retaining wall that encloses low bank between fields unit member top;
(B). the multistage sea reclamation of step with lower slotting caisson is enclosed low bank between fields and is comprised that multistage sea reclamation encloses low bank between fields, first in first order sea reclamation, enclose on the former mud face in seabed at low bank between fields position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the former mud face in seabed, continuous sea reclamation is enclosed low bank between fields unit member and is connected into first order sea reclamation and enclose low bank between fields, is positioned at first order sea reclamation and encloses the retaining wall on low bank between fields top first order sea reclamation district and seawater are separated;
(C). the sea reclamation position hydraulic reclamation first order hydraulic reclamation silt floor in first order sea reclamation district, first order hydraulic reclamation silt layer hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top of low bank between fields to first order sea reclamation;
(D). in second level sea reclamation, enclose on the mud face of first order hydraulic reclamation silt layer at low bank between fields position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of first order hydraulic reclamation silt layer, continuous sea reclamation is enclosed low bank between fields unit member and is connected into second level sea reclamation and enclose low bank between fields, is positioned at second level sea reclamation and encloses the retaining wall on low bank between fields top sea reclamation district, the second level and seawater are separated; Second level sea reclamation is enclosed low bank between fields and first order sea reclamation and is enclosed low bank between fields and mutually isolate and be arranged in parallel, and second level sea reclamation is enclosed low bank between fields and than first order sea reclamation, enclosed low bank between fields and exceed one-level step;
(E). the hydraulic reclamation second level, the sea reclamation position hydraulic reclamation silt floor in sea reclamation district, the second level, second level hydraulic reclamation silt layer hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top of low bank between fields to second level sea reclamation;
(F). in third level sea reclamation, enclose on the mud face of second level hydraulic reclamation silt layer at low bank between fields position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of second level hydraulic reclamation silt layer, continuous sea reclamation is enclosed low bank between fields unit member and is connected into third level sea reclamation and enclose low bank between fields, is positioned at third level sea reclamation and encloses the retaining wall on low bank between fields top third level sea reclamation district and seawater are separated; Third level sea reclamation is enclosed low bank between fields and second level sea reclamation and is enclosed low bank between fields and mutually isolate and be arranged in parallel, and third level sea reclamation is enclosed low bank between fields and than second level sea reclamation, enclosed low bank between fields and exceed one-level step;
(G). in third level sea reclamation district, fill out extra large position hydraulic reclamation third level hydraulic reclamation silt floor, third level hydraulic reclamation silt layer hydraulic reclamation encloses the height that encloses low bank between fields Foot of Upper Retaining Wall of low bank between fields to third level sea reclamation, the highest step of sea reclamation is the predetermined altitude that sea reclamation reaches;
(H). hydraulic reclamation silt layer place unlimited in low bank between fields is enclosed in sea reclamation sets plastic draining board, and plastic draining board, for getting rid of the moisture on weak soil basis, completes sea reclamation.
The sea reclamation with the multistage sea reclamation of step of lower slotting caisson is enclosed low bank between fields structure and is: the multistage sea reclamation of step with lower slotting caisson is enclosed low bank between fields and by multistage sea reclamation, enclosed low bank between fields and form, mutually isolation again parallel sea reclamations at different levels enclose low bank between fields and raise step by step by extra large side direction land side, stepped; Every grade of sea reclamation is enclosed sea reclamation that low bank between fields used by a plurality of multistage sea reclamations of step with lower slotting caisson and is enclosed low bank between fields unit member and connect and compose, unit member is overall structure, comprise being positioned at and enclose the lower slotting caisson body of low bank between fields unit member bottom and be positioned at the retaining wall that encloses low bank between fields unit member top, lower slotting caisson body is the square hollow box body of face closure in lower aperture, in hollow box body, there is the transverse and longitudinal in a plurality of lower slotting caisson bodies that increase hollow box body structural strength to strengthen gusset, be positioned at the block silt of sea reclamation of the retaining wall that encloses low bank between fields top; In first order sea reclamation, enclosing on the former mud face in seabed at low bank between fields position has a plurality of sea reclamations of longitudinal continuous laying to enclose low bank between fields unit member, with the lower slotting caisson body that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the former mud face in seabed, continuous sea reclamation is enclosed low bank between fields unit member and is connected into first order sea reclamation and enclose low bank between fields, is positioned at first order sea reclamation and encloses the retaining wall on low bank between fields top first order sea reclamation district and seawater are separated; Sea reclamation position hydraulic reclamation in first order sea reclamation district has first order hydraulic reclamation silt floor, and first order hydraulic reclamation silt layer hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top of low bank between fields to first order sea reclamation; In second level sea reclamation, enclose on the mud face of first order hydraulic reclamation silt layer at low bank between fields position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of first order hydraulic reclamation silt layer, continuous sea reclamation is enclosed low bank between fields unit member and is connected into second level sea reclamation and enclose low bank between fields, is positioned at second level sea reclamation and encloses the retaining wall on low bank between fields top sea reclamation district, the second level and seawater are separated; Second level sea reclamation is enclosed low bank between fields and first order sea reclamation and is enclosed low bank between fields and mutually isolate and be arranged in parallel, and second level sea reclamation is enclosed low bank between fields and than first order sea reclamation, enclosed low bank between fields and exceed one-level step; The hydraulic reclamation second level, sea reclamation position hydraulic reclamation silt floor in sea reclamation district, the second level, second level hydraulic reclamation silt layer hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top of low bank between fields to second level sea reclamation; In third level sea reclamation, enclose on the mud face of second level hydraulic reclamation silt layer at low bank between fields position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of second level hydraulic reclamation silt layer, continuous sea reclamation is enclosed low bank between fields unit member and is connected into third level sea reclamation and enclose low bank between fields, is positioned at third level sea reclamation and encloses the retaining wall on low bank between fields top third level sea reclamation district and seawater are separated; Third level sea reclamation is enclosed low bank between fields and second level sea reclamation and is enclosed low bank between fields and mutually isolate and be arranged in parallel, and third level sea reclamation is enclosed low bank between fields and than second level sea reclamation, enclosed low bank between fields and exceed one-level step; In third level sea reclamation district, fill out extra large position hydraulic reclamation third level hydraulic reclamation silt floor, third level hydraulic reclamation silt layer hydraulic reclamation encloses the height that encloses low bank between fields Foot of Upper Retaining Wall of low bank between fields to third level sea reclamation, and the highest step of sea reclamation is the predetermined altitude that sea reclamation reaches.
Low bank between fields is enclosed in described sea reclamation, is positioned at the retaining wall that the encloses low bank between fields top retaining wall that extra large side direction land side tilts of serving as reasons, and the retaining wall land side of inclination has a plurality of reinforcing ribs that increase retaining wall structure intensity.
Low bank between fields is enclosed in described sea reclamation, and being positioned at the hollow vertical cylinder retaining wall that encloses low bank between fields top is a plurality of hollow drums of a row, filling silt in hollow drum.
Low bank between fields is enclosed in described sea reclamation, is positioned at the hollow semicircular body retaining wall that encloses low bank between fields top for horizontal sleeping hollow semicircular body of putting, and the husky hole of fillering, a plurality of tops, filling silt in hollow semicircular body are arranged at hollow semicircular body top.
The invention has the beneficial effects as follows: low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson provided by the invention, adopt the multistage sea reclamation of step to enclose low bank between fields structure, the lateral earth pressure that sea reclamation is enclosed to low bank between fields is decomposed into multistage, be distributed on multi-stage stairs, the soil pressure of every grade is little, improve the safety factor that low bank between fields is enclosed in sea reclamation, multi-stage stairs can also relax the impact of wave, therefore can reduce the cross dimensions that low bank between fields is enclosed in sea reclamation, material usage is few, reduce investment and difficulty of construction, efficiency of construction is high, reduce costs, construction period is short, especially at the darker saline waters of filling out, better effects if.
Accompanying drawing explanation
1. Fig. 1 is the cross section sectional view that the first embodiment of low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson.
2. Fig. 2 is that the K of Fig. 1 is to view
3. Fig. 3 is the A-A sectional view of Fig. 1
4. Fig. 4 is the cross section sectional view that the second embodiment of low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson.
5. Fig. 5 is the cross section sectional view that the third embodiment of low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson.
6. Fig. 6 is that the M of Fig. 4 is to view
7. Fig. 7 is that the N of Fig. 5 is to view
8. Fig. 8 is the cross section sectional view that the 4th kind of embodiment of low bank between fields enclosed in the multistage sea reclamation of step with lower slotting caisson.
In the drawings:
1. the multistage sea reclamation of step is enclosed low bank between fields 2. first order sea reclamations and is enclosed low bank between fields
3. second level sea reclamation is enclosed low bank between fields 4. third level sea reclamations and is enclosed low bank between fields
5. time slotting caisson body 6. retaining walls
7. the transverse and longitudinal in time slotting caisson body is strengthened the gusset 8. former mud faces in seabed
9. first order hydraulic reclamation silt layer 10. second level hydraulic reclamation silt layer
11. third level hydraulic reclamation silt layer 12. land side roof part road
The hollow semicircular body retaining wall of 13. hollow vertical cylinder retaining wall 14.
Husky hole 16. plastic draining boards filler at 15. tops
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the cross section sectional view that the first embodiment of low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson.In Fig. 1, the sea water advanced darker of Nian Chu enclosed in the sea reclamation of the first embodiment, and sea water advanced being assumed to be-10 meter of the first embodiment adopts three grades of steps to fill out extra large method.Fig. 2 be the K of Fig. 1 to view, be the top view of Fig. 1.Fig. 3 is the A-A sectional view of Fig. 1, and a plurality of that represent increase hollow box body structural strength in lower slotting caisson body are reinforcing rib structure laterally and longitudinally.Fig. 4 is the cross section sectional view that the second embodiment of low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson, and the retaining wall on its top is a plurality of hollow drums of a row, filling silt in hollow drum.Fig. 6 be the M of Fig. 4 to view, be the top view of Fig. 4.Fig. 5 is the cross section sectional view that the third embodiment of low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson, the hollow semicircular body of the retaining wall on its top for laterally crouching and put, the husky hole of fillering, a plurality of tops is arranged at hollow semicircular body top, filling silt in hollow semicircular body.Fig. 7 be the N of Fig. 5 to view, be the top view of Fig. 5.Fig. 8 is the cross section sectional view that the 4th kind of embodiment of low bank between fields enclosed in the multistage sea reclamation of step with lower slotting caisson, and in Fig. 8, the sea water advanced more shallow of Nian Chu enclosed in sea reclamation, and sea water advanced being assumed to be-5 meter of embodiment adopts secondary to fill out extra large method.
The step with the multistage sea reclamation method of step of lower slotting caisson comprises:
(A). low bank between fields unit member is enclosed in the sea reclamation that a plurality of multistage sea reclamations of step with lower slotting caisson of reinforced concrete member precasting yard construction are by land used, unit member is overall structure, comprises being positioned at enclosing the lower slotting caisson body 5 of low bank between fields unit member bottom and being positioned at the retaining wall 6 that encloses low bank between fields unit member top;
(B). the multistage sea reclamation of step with lower slotting caisson is enclosed low bank between fields 1 and is comprised that multistage sea reclamation encloses low bank between fields, first in first order sea reclamation, enclose on the former mud face 8 in seabed at low bank between fields 2 positions the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body 5 that negative pressure encloses low bank between fields unit member by sea reclamation, enter the former mud face in seabed below 8, continuous sea reclamation is enclosed low bank between fields unit member and is connected into first order sea reclamation and enclose low bank between fields 2, is positioned at first order sea reclamation and encloses the retaining wall 6 on low bank between fields 2 tops first order sea reclamation district and seawater are separated;
(C). the sea reclamation position hydraulic reclamation first order hydraulic reclamation silt floor 9 in first order sea reclamation district, first order hydraulic reclamation silt layer 9 hydraulic reclamation enclose the height of the retaining wall that encloses low bank between fields top 6 of low bank between fields 2 to first order sea reclamation;
(D). in second level sea reclamation, enclose on the mud face of first order hydraulic reclamation silt layer 9 at low bank between fields 3 positions the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body 5 that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of first order hydraulic reclamation silt layer 9, continuous sea reclamation is enclosed low bank between fields unit member and is connected into second level sea reclamation and enclose low bank between fields 3, is positioned at second level sea reclamation and encloses the retaining wall 6 on low bank between fields 3 tops sea reclamation district, the second level and seawater are separated; Second level sea reclamation enclose low bank between fields 3 and first order sea reclamation enclose low bank between fields 2 mutually isolation be arranged in parallel, second level sea reclamation is enclosed low bank between fields 3 and than first order sea reclamation, is enclosed low bank between fields 2 and exceed one-level step;
(E). the hydraulic reclamation second level, the sea reclamation position hydraulic reclamation silt floor 10 in sea reclamation district, the second level, second level hydraulic reclamation silt layer 10 hydraulic reclamation enclose the height of the retaining wall that encloses low bank between fields top 6 of low bank between fields 3 to second level sea reclamation;
(F). in third level sea reclamation, enclose on the mud face of second level hydraulic reclamation silt layer 10 at low bank between fields 4 positions the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body 5 that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of second level hydraulic reclamation silt layer 10, continuous sea reclamation is enclosed low bank between fields unit member and is connected into third level sea reclamation and enclose low bank between fields 4, is positioned at third level sea reclamation and encloses the retaining wall 6 on low bank between fields 4 tops third level sea reclamation district and seawater are separated; Third level sea reclamation enclose low bank between fields 4 and second level sea reclamation enclose low bank between fields 3 mutually isolation be arranged in parallel, third level sea reclamation is enclosed low bank between fields 4 and than second level sea reclamation, is enclosed low bank between fields 3 and exceed one-level step;
(G). in third level sea reclamation district, fill out extra large position hydraulic reclamation third level hydraulic reclamation silt floor 11, third level hydraulic reclamation silt layer 11 hydraulic reclamation enclose the height that encloses low bank between fields Foot of Upper Retaining Wall 6 of low bank between fields 4 to third level sea reclamation, the highest step of sea reclamation is the predetermined altitude that sea reclamation reaches;
(H). hydraulic reclamation silt layer place unlimited in low bank between fields is enclosed in sea reclamation sets plastic draining board 16, and plastic draining board 16, for getting rid of the moisture on weak soil basis, completes sea reclamation.
The multistage sea reclamation of step with lower slotting caisson is enclosed low bank between fields structure and is: sea reclamation is enclosed low bank between fields 1 and by multistage sea reclamation, enclosed low bank between fields and form, mutually isolation again parallel sea reclamations at different levels enclose low bank between fields and raise step by step by extra large side direction land side, stepped; Every grade of sea reclamation is enclosed sea reclamation that low bank between fields used by a plurality of multistage sea reclamations of step with lower slotting caisson and is enclosed low bank between fields unit member and connect and compose, unit member is overall structure, comprise being positioned at and enclose the lower slotting caisson body 5 of low bank between fields unit member bottom and be positioned at the retaining wall 6 that encloses low bank between fields unit member top, the square hollow box body that lower slotting caisson body 5 is face closure in lower aperture, in hollow box body, there is the transverse and longitudinal in a plurality of lower slotting caisson bodies that increase hollow box body structural strength to strengthen gusset 7, be positioned at the block silt of sea reclamation of the retaining wall 6 that encloses low bank between fields top; In first order sea reclamation, enclosing on the former mud face 8 in seabed at low bank between fields 2 positions has a plurality of sea reclamations of longitudinal continuous laying to enclose low bank between fields unit member, with the lower slotting caisson body 5 that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into the former mud face in seabed below 8, continuous sea reclamation is enclosed low bank between fields unit member and is connected into first order sea reclamation and enclose low bank between fields 2, is positioned at first order sea reclamation and encloses the retaining wall 6 on low bank between fields 2 tops first order sea reclamation district and seawater are separated; Sea reclamation position hydraulic reclamation in first order sea reclamation district has first order hydraulic reclamation silt floor 9, and first order hydraulic reclamation silt layer 9 hydraulic reclamation enclose the height of the retaining wall that encloses low bank between fields top 6 of low bank between fields 2 to first order sea reclamation; In second level sea reclamation, enclosing on the mud face of first order hydraulic reclamation silt layer 9 at low bank between fields 3 positions longitudinally continuous laying has a plurality of sea reclamations to enclose low bank between fields unit member, with the lower slotting caisson body 5 that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of first order hydraulic reclamation silt layer 9, continuous sea reclamation is enclosed low bank between fields unit member and is connected into second level sea reclamation and enclose low bank between fields 3, is positioned at second level sea reclamation and encloses the retaining wall 6 on low bank between fields 3 tops sea reclamation district, the second level and seawater are separated; Second level sea reclamation enclose low bank between fields 3 and first order sea reclamation enclose low bank between fields 2 mutually isolation be arranged in parallel, second level sea reclamation is enclosed low bank between fields 3 and than first order sea reclamation, is enclosed low bank between fields 2 and exceed one-level step; The hydraulic reclamation second level, sea reclamation position hydraulic reclamation silt floor 10 in sea reclamation district, the second level, second level hydraulic reclamation silt layer 10 hydraulic reclamation enclose the height of the retaining wall that encloses low bank between fields top 6 of low bank between fields 3 to second level sea reclamation; In third level sea reclamation, enclose on the mud face of second level hydraulic reclamation silt layer 10 at low bank between fields 4 positions the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body 5 that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of second level hydraulic reclamation silt layer 10, continuous sea reclamation is enclosed low bank between fields unit member and is connected into third level sea reclamation and enclose low bank between fields 4, is positioned at third level sea reclamation and encloses the retaining wall 6 on low bank between fields 4 tops third level sea reclamation district and seawater are separated; Third level sea reclamation enclose low bank between fields 4 and second level sea reclamation enclose low bank between fields 3 mutually isolation be arranged in parallel, third level sea reclamation is enclosed low bank between fields 4 and than second level sea reclamation, is enclosed low bank between fields 3 and exceed one-level step; In third level sea reclamation district, fill out extra large position hydraulic reclamation third level hydraulic reclamation silt floor 11, third level hydraulic reclamation silt layer 11 hydraulic reclamation enclose the height that encloses low bank between fields Foot of Upper Retaining Wall 6 of low bank between fields 4 to third level sea reclamation, the highest step of sea reclamation is the predetermined altitude that sea reclamation reaches.
The described retaining wall 6 that the encloses low bank between fields top retaining wall that extra large side direction land side tilts of serving as reasons that is positioned at, the retaining wall land side of inclination has a plurality of reinforcing ribs that increase retaining wall structure intensity.
The hollow vertical cylinder retaining wall 13 that low bank between fields top is enclosed in described described being positioned at is a plurality of hollow drums of a row, filling silt in hollow drum.
The described hollow semicircular body retaining wall 14 that encloses low bank between fields top of being positioned at is for horizontal sleeping hollow semicircular body of putting, and the husky hole 15 of fillering, a plurality of tops, filling silt in hollow semicircular body are arranged at hollow semicircular body top.
The multistage sea reclamation of step of the present invention is enclosed low bank between fields and is enclosed the construction of low bank between fields unit member with the sea reclamation with lower slotting caisson, sea reclamation is enclosed low bank between fields unit member reinforced concrete member precasting yard by land and is built, build and adopt continuous productive process method in enormous quantities, raise the efficiency, reduce costs.Sea reclamation unit member is overall structure, comprises being positioned at enclosing the lower slotting caisson body 5 of low bank between fields bottom and being positioned at the retaining wall 6 that encloses low bank between fields top.The square hollow box body that lower slotting caisson body 5 is face closure in lower aperture, in hollow box body, there are a plurality of reinforcing ribs laterally and longitudinally that increase hollow box body structural strength, therefore lower slotting caisson body 5 has enough Rigidity and strengths, due to face closure in lower slotting caisson body 5 lower aperture, in lower slotting caisson body 5, vacuumize formation negative pressure, lower slotting caisson body 5 can be pressed into below the mud face in seabed, weak soil basis, become sea reclamation and enclose the stability fundamental of low bank between fields, sea reclamation is enclosed to low bank between fields unit member and be firmly fixed on seabed, bear sea beat, there is good stability, greatly reduce sea reclamation and enclose low bank between fields sedimentation and damage.The retaining wall 6 on top separates seawater and reclamation area, stops that filling out ooze sand drift goes back to sea, carries out sea reclamation.
The present invention is that low bank between fields unit member is enclosed in longitudinal continuous laying sea reclamation on mud face, connect into every grade of sea reclamation and enclose low bank between fields, by multistage sea reclamation, enclosing low bank between fields forms the multistage sea reclamation of step and encloses low bank between fields, low bank between fields is enclosed in sea reclamations at different levels has distance parallel to each other again each other, by extra large side direction land side, raise step by step, stepped.The overall height that encloses low bank between fields due to sea reclamation is separated into multistage, and soil pressure is also separated into multistage, and the height of every grade reduces, and soil pressure reduces, and soil pressure is controlled in safe range, can make every grade of sea reclamation enclose the section of low bank between fields little, and safety factor is high.
The design progression that low bank between fields is enclosed in sea reclamation is few, and every grade highly large, and pressure differential is large, can cause sea reclamation to enclose low bank between fields strength deficiency.The design progression that low bank between fields is enclosed in sea reclamation is many, and every grade highly little, can cause the complicated trouble of construction, and engineering cost is high.Sea reclamation is enclosed the design progression of low bank between fields by sea water advanced decision, generally with 5 meters of one-levels, is advisable.
Another reason that multistage sea reclamation method can reduce sea reclamation cost is: the step that low bank between fields is enclosed in multistage sea reclamation is the silt layer of hydraulic reclamation, and silt layer has formed gentle slope, and the impact of wave is relaxed on gentle slope, makes every grade of sea reclamation enclose the impact force that low bank between fields is subject to little.Because most sections on gentle slope are the silt layers of hydraulic reclamation, the cost of hydraulic reclamation silt is very low, and the gentle slope structure of hydraulic reclamation silt can reduce costs.And in the process of hydraulic reclamation silt layer, can enclose low bank between fields soil stress in sea reclamation and mix sand material, the building stones of gaining in strength in compared with the hydraulic reclamation silt layer of large part, sand material, building stones can accelerate the settling rate of hydraulic reclamation silt, also can adopt and beat husky stake, concrete pile or other reinforcement means, make sea reclamation enclose the intensity of low bank between fields good.
Multistage sea reclamation first in seabed former mud face 8 build first order sea reclamations and enclose low bank between fields 2 filling first order silt layer 9, the energy major part of wave concentrates on the top layer of water body, in the water layer thickness of 2 times of wave height, concentrate most wave energy, because the water of seawater lower floor is darker, first order sea reclamation is enclosed low bank between fields 2 and is subject to the impact of wave little, and the requirement of strength that low bank between fields 2 is enclosed in first order sea reclamation is low.
First order sea reclamation enclose that low bank between fields 2 has been built and filling first order hydraulic reclamation silt layer 9 after, make the height of the seabed mud surface layer one-level that raise.First order sea reclamation enclose low bank between fields 2 above build second level sea reclamation while enclosing low bank between fields 7, due to the support that the first order is filled out ooze sand bed 9, low bank between fields 7 is enclosed in second level sea reclamation can bear larger sea beat.
Second level sea reclamation enclose that low bank between fields 7 has been built and filling second level hydraulic reclamation silt layer 10 after, make the height of the seabed mud surface layer one-level that raise again.Second level sea reclamation enclose low bank between fields 7 above build third level sea reclamation while enclosing low bank between fields 4, due to the support of second level hydraulic reclamation silt layer 10, low bank between fields 4 is enclosed in third level sea reclamation can bear larger sea beat.
Third level sea reclamation enclose that low bank between fields 4 has been built and filling third level hydraulic reclamation silt layer 11 after, make the height of the seabed mud surface layer one-level that raise again, reach and fill out sea height.Low bank between fields is enclosed in sea reclamations at different levels can bear sea beat, and low bank between fields is enclosed in sea reclamation good safety guarantee.The interval silt filling between low bank between fields is enclosed in sea reclamations at different levels, and filling is convenient, and cost is low.
The invention has the beneficial effects as follows: low bank between fields is enclosed in the multistage sea reclamation of step with lower slotting caisson provided by the invention, adopt the multistage sea reclamation of step to enclose low bank between fields structure, the lateral earth pressure that sea reclamation is enclosed to low bank between fields is decomposed into multistage, soil pressure is distributed on multi-stage stairs, the soil pressure of every grade is little, improve the safety factor that low bank between fields is enclosed in sea reclamation, multi-stage stairs can also relax the impact of wave, therefore can reduce the cross dimensions that low bank between fields is enclosed in sea reclamation, material usage is few, reduce investment and difficulty of construction, efficiency of construction is high, reduce costs, construction period is short, especially at the darker saline waters of filling out, better effects if.
Undeclared piece number 12 is land side roof part road, and accompanying drawing 1 is Figure of abstract.
Claims (5)
1. a low bank between fields is enclosed in the multistage sea reclamation method of step and the sea reclamation with lower slotting caisson, it is characterized in that of the multistage sea reclamation method of step: the step of multistage sea reclamation method comprises,
(A). low bank between fields unit member is enclosed in the sea reclamation that a plurality of multistage sea reclamations of step with lower slotting caisson of reinforced concrete member precasting yard construction are by land used, unit member is overall structure, comprises being positioned at enclosing the lower slotting caisson body (5) of low bank between fields unit member bottom and being positioned at the retaining wall (6) that encloses low bank between fields unit member top;
(B). the multistage sea reclamation of step with lower slotting caisson is enclosed low bank between fields (1) and is comprised that multistage sea reclamation encloses low bank between fields, low bank between fields unit member is enclosed in the upper a plurality of sea reclamations of longitudinal continuous laying of the former mud face in seabed (8) of first enclosing low bank between fields (2) position in first order sea reclamation, with the lower slotting caisson body (5) that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the former mud face in seabed (8), continuous sea reclamation is enclosed low bank between fields unit member and is connected into first order sea reclamation and enclose low bank between fields (2), is positioned at first order sea reclamation and encloses the retaining wall (6) on low bank between fields (2) top first order sea reclamation district and seawater are separated;
(C) the sea reclamation position hydraulic reclamation first order hydraulic reclamation silt floor (9) in first order sea reclamation district, first order hydraulic reclamation silt layer (9) hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top (6) of low bank between fields (2) to first order sea reclamation;
(D) in second level sea reclamation, enclose on the mud face of first order hydraulic reclamation silt layer (9) at low bank between fields (3) position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body (5) that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of first order hydraulic reclamation silt layer (9), continuous sea reclamation is enclosed low bank between fields unit member and is connected into second level sea reclamation and enclose low bank between fields (3), is positioned at second level sea reclamation and encloses the retaining wall (6) on low bank between fields (3) top sea reclamation district, the second level and seawater are separated; Second level sea reclamation enclose low bank between fields (3) and first order sea reclamation enclose low bank between fields (2) mutually isolation be arranged in parallel, second level sea reclamation is enclosed low bank between fields (3) and than first order sea reclamation, is enclosed low bank between fields (2) and exceed one-level step;
(E) the hydraulic reclamation second level, the sea reclamation position hydraulic reclamation silt floor (10) in sea reclamation district, the second level, second level hydraulic reclamation silt layer (10) hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top (6) of low bank between fields (3) to second level sea reclamation;
(F) in third level sea reclamation, enclose on the mud face of second level hydraulic reclamation silt layer (10) at low bank between fields (4) position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body (5) that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of second level hydraulic reclamation silt layer (10), continuous sea reclamation is enclosed low bank between fields unit member and is connected into third level sea reclamation and enclose low bank between fields (4), is positioned at third level sea reclamation and encloses the retaining wall (6) on low bank between fields (4) top third level sea reclamation district and seawater are separated; Third level sea reclamation enclose low bank between fields (4) and second level sea reclamation enclose low bank between fields (3) mutually isolation be arranged in parallel, third level sea reclamation is enclosed low bank between fields (4) and than second level sea reclamation, is enclosed low bank between fields (3) and exceed one-level step;
(G) in third level sea reclamation district, fill out extra large position hydraulic reclamation third level hydraulic reclamation silt floor (11), third level hydraulic reclamation silt layer (11) hydraulic reclamation encloses the height that encloses low bank between fields Foot of Upper Retaining Wall (6) of low bank between fields (4) to third level sea reclamation, the highest step of sea reclamation is the predetermined altitude that sea reclamation reaches;
(H) in low bank between fields is enclosed in sea reclamation, unlimited hydraulic reclamation silt layer place sets plastic draining board (16), and plastic draining board (16), for getting rid of the moisture on weak soil basis, completes sea reclamation.
2. low bank between fields is enclosed in the multistage sea reclamation method of step and a sea reclamation with lower slotting caisson, it is characterized in that of low bank between fields enclosed in sea reclamation: the multistage sea reclamation of step with lower slotting caisson is enclosed low bank between fields (1) and by multistage sea reclamation, enclosed low bank between fields and form, mutually isolation again parallel sea reclamations at different levels enclose low bank between fields and raise step by step by extra large side direction land side, stepped; Every grade of sea reclamation is enclosed sea reclamation that low bank between fields used by a plurality of multistage sea reclamations of step with lower slotting caisson and is enclosed low bank between fields unit member and connect and compose, unit member is overall structure, comprise being positioned at and enclose the lower slotting caisson body (5) of low bank between fields unit member bottom and be positioned at the retaining wall (6) that encloses low bank between fields unit member top, lower slotting caisson body (5) is the square hollow box body of face closure in lower aperture, in hollow box body, there is the transverse and longitudinal in a plurality of lower slotting caisson bodies that increase hollow box body structural strength to strengthen gusset (7), be positioned at the block silt of sea reclamation of the retaining wall (6) that encloses low bank between fields top; In first order sea reclamation, enclosing on the former mud face in seabed (8) at low bank between fields (2) position has a plurality of sea reclamations of longitudinal continuous laying to enclose low bank between fields unit member, with the lower slotting caisson body (5) that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the former mud face in seabed (8), continuous sea reclamation is enclosed low bank between fields unit member and is connected into first order sea reclamation and enclose low bank between fields (2), is positioned at first order sea reclamation and encloses the retaining wall (6) on low bank between fields (2) top first order sea reclamation district and seawater are separated; Sea reclamation position hydraulic reclamation in first order sea reclamation district has first order hydraulic reclamation silt floor (9), and first order hydraulic reclamation silt layer (9) hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top (6) of low bank between fields (2) to first order sea reclamation; In second level sea reclamation, enclose on the mud face of first order hydraulic reclamation silt layer (9) at low bank between fields (3) position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body (5) that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of first order hydraulic reclamation silt layer (9), continuous sea reclamation is enclosed low bank between fields unit member and is connected into second level sea reclamation and enclose low bank between fields (3), is positioned at second level sea reclamation and encloses the retaining wall (6) on low bank between fields (3) top sea reclamation district, the second level and seawater are separated; Second level sea reclamation enclose low bank between fields (3) and first order sea reclamation enclose low bank between fields (2) mutually isolation be arranged in parallel, second level sea reclamation is enclosed low bank between fields (3) and than first order sea reclamation, is enclosed low bank between fields (2) and exceed one-level step; The hydraulic reclamation second level, sea reclamation position hydraulic reclamation silt floor (10) in sea reclamation district, the second level, second level hydraulic reclamation silt layer (10) hydraulic reclamation encloses the height of the retaining wall that encloses low bank between fields top (6) of low bank between fields (3) to second level sea reclamation; In third level sea reclamation, enclose on the mud face of second level hydraulic reclamation silt layer (10) at low bank between fields (4) position the longitudinally a plurality of sea reclamations of continuous laying and enclose low bank between fields unit member, with the lower slotting caisson body (5) that negative pressure encloses low bank between fields unit member by sea reclamation, be pressed into below the mud face of second level hydraulic reclamation silt layer (10), continuous sea reclamation is enclosed low bank between fields unit member and is connected into third level sea reclamation and enclose low bank between fields (4), is positioned at third level sea reclamation and encloses the retaining wall (6) on low bank between fields (4) top third level sea reclamation district and seawater are separated; Third level sea reclamation enclose low bank between fields (4) and second level sea reclamation enclose low bank between fields (3) mutually isolation be arranged in parallel, third level sea reclamation is enclosed low bank between fields (4) and than second level sea reclamation, is enclosed low bank between fields (3) and exceed one-level step; In third level sea reclamation district, fill out extra large position hydraulic reclamation third level hydraulic reclamation silt floor (11), third level hydraulic reclamation silt layer (11) hydraulic reclamation encloses the height that encloses low bank between fields Foot of Upper Retaining Wall (6) of low bank between fields (4) to third level sea reclamation, the highest step of sea reclamation is the predetermined altitude that sea reclamation reaches.
3. low bank between fields is enclosed in the multistage sea reclamation method of step and the sea reclamation with lower slotting caisson according to claim 2, it is characterized in that: be positioned at the retaining wall (6) that the encloses low bank between fields top retaining wall that extra large side direction land side tilts of serving as reasons, the retaining wall land side of inclination has a plurality of reinforcing ribs that increase retaining wall structure intensity.
4. low bank between fields is enclosed in the multistage sea reclamation method of step and the sea reclamation with lower slotting caisson according to claim 2, it is characterized in that: being positioned at the hollow vertical cylinder retaining wall (13) that encloses low bank between fields top is a plurality of hollow drums of a row filling silt in hollow drum.
5. low bank between fields is enclosed in the multistage sea reclamation method of step and the sea reclamation with lower slotting caisson according to claim 2, it is characterized in that: be positioned at the hollow semicircular body retaining wall (14) that encloses low bank between fields top for horizontal sleeping hollow semicircular body of putting, the husky hole (15) of fillering, a plurality of tops is arranged at hollow semicircular body top, filling silt in hollow semicircular body.
Priority Applications (1)
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| CN201410211158.3A CN103953004A (en) | 2014-05-14 | 2014-05-14 | Stepped multilevel sea reclamation method and sea reclamation dams provided with downward insertion caissons |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268536A (en) * | 2017-06-15 | 2017-10-20 | 罗朝钦 | A kind of fill encloses sea, draining, does not fill to make somebody a mere figurehead and make ground construction process |
| CN110080169A (en) * | 2019-04-03 | 2019-08-02 | 温州大学 | A kind of construction method reclaimed fields from the sea utilized based on basement |
| CN112850907A (en) * | 2021-01-28 | 2021-05-28 | 中国水利水电科学研究院 | Shoal wetland construction method considering earth volume balance and habitat diversity |
-
2014
- 2014-05-14 CN CN201410211158.3A patent/CN103953004A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268536A (en) * | 2017-06-15 | 2017-10-20 | 罗朝钦 | A kind of fill encloses sea, draining, does not fill to make somebody a mere figurehead and make ground construction process |
| CN110080169A (en) * | 2019-04-03 | 2019-08-02 | 温州大学 | A kind of construction method reclaimed fields from the sea utilized based on basement |
| CN110080169B (en) * | 2019-04-03 | 2020-11-24 | 温州大学 | Construction method for building land by enclosing sea based on basement utilization |
| CN112850907A (en) * | 2021-01-28 | 2021-05-28 | 中国水利水电科学研究院 | Shoal wetland construction method considering earth volume balance and habitat diversity |
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