CN101918643B - Caisson structure and method of sinking the caisson structure into the ground exactly - Google Patents
Caisson structure and method of sinking the caisson structure into the ground exactly Download PDFInfo
- Publication number
- CN101918643B CN101918643B CN2009801026576A CN200980102657A CN101918643B CN 101918643 B CN101918643 B CN 101918643B CN 2009801026576 A CN2009801026576 A CN 2009801026576A CN 200980102657 A CN200980102657 A CN 200980102657A CN 101918643 B CN101918643 B CN 101918643B
- Authority
- CN
- China
- Prior art keywords
- jack
- block
- caisson structure
- cushion block
- outside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
Abstract
A caisson structure (100) includes sealed well walls (102) with internal faces (110) and external faces (108) placed opposite to the internal faces (110). Many frame beams (106,104) provided between the internal faces (110) are mutually intersecting within a horizontal plane and a vertical plane. A bottom frame beam (126) is placed close to a lowest end of the well walls (102). The internal faces (110) are provided with many internal support blocks (114) being of same height,and the external faces (108) are provided with many external support blocks (112) being of same height, wherein the external support blocks (112) are higher than the internal support blocks (114). A bottom surface of the bottom frame beam (126) is a plane without a bit angle, and the lowest end of the well walls is provided with a bit angle with an angular inclination (128). A method of sinking the caisson structure into the ground exactly is also provided.
Description
Technical field
The present invention relates to a kind of building structure and job practices, relate in particular to a kind of caisson structure and this caisson structure is steadily sunk to ground and accurately heavy eventually job practices.
Background technology
Open caisson has its unique practical applications condition and range as a kind of structure of underground space structure or highrise building deep foundation or deep foundation pit support construction.Such as, generally under pan soil geological conditions preferably, can not adopt the open caisson technology, adopt the then more convenient economy of other foundation pit construction technical method.Yet in soft clay area, because geology is loose, therefore poor stability adopts general foundation pit supporting construction will cause high supporting expense, and the duration that causes simultaneously constructing is elongated, and in addition, the risk of construction is also bigger.
Therefore, open caisson is applied to construct under the soft foundation condition of alluvium, rivers,lakes and seas limit in large quantities.But open caisson is construction application under the soft foundation condition, if the design and construction misoperation, very easily take place prominent heavy, ultra heavy, off-centring, plane rotation, vertical askew heavy, be out of shape and rupture, gush soil in the well, well great safety and quality accident such as subside outward.This mainly is that vertical plane rigidity (or the minimum vertical cross section torsional stiffness) inadequate natural endowment at some position (like the diagonal of rectangular open caisson) of open caisson causes; Also be because present caisson structure and corresponding construction method can not guarantee steady sinking and accurately eventually heavy cause of open caisson on engineering significance.Therefore, in the practice of construction process, most of open caissons all be dilapidated, sink crazily, the construction dangerous situation very easily take place; In the sinking process, must constantly rectify a deviation, set upright, keep the balance of open caisson as far as possible; Thereby cause difficulty of construction to strengthen, the construction period prolongs, and cost is constantly soaring.The shortcoming of these conventional arts is to need the open caisson construction midium or long term to solve but unsolved always technical barrier.
Sinking the construction of pattern foundation pit supporting structure with the open caisson construction method, is one of direction of engineering circle research, but the open caisson of maximum area only can satisfy the foundation pit construction of middle and small scale area at present.Make that bigger plane is long-pending, bigger round diameter or the more monolateral length of large rectangle, bigger interior lattice size, more the open caisson of complicated special-shaped unsymmetrical plan shape is then at present in engineering circle difficulty very.This be open caisson self insufficient rigidity with can not steadily sink and accurately heavy eventually characteristics determine; Thereby limited open caisson towards area more maximize, the plane is more complicated, more economicalization of the cost direction speed of development, and then has limited the expansion of open caisson purposes; This also is an open caisson design and the medium-term and long-term unsettled difficult problem of application.
Summary of the invention
Main purpose of the present invention is to provide a kind of caisson structure; Through being set, equally distributed back-up block point formed caisson structure of the present invention on traditional caisson structure; By the support that is uniformly distributed with of supporting pile body and jack; Greatly reduced rigidity requirement, made the not yielding or fracture of caisson structure, thereby improved construction and the safety of using caisson structure.
Another object of the present invention is to provide a kind of open caisson is sunk to ground and accurately heavy eventually job practices reposefully; This method can guarantee that open caisson controllably sinks gradually and be accurately heavy eventually, thus prominent heavy, ultra heavy, the off-centring of having avoided occurring in the conventional construction method, plane rotation, vertical askew heavy, be out of shape and rupture, gush great safety and quality accidents such as soil, well subside outward in the well.
For achieving the above object; A kind of caisson structure; It comprises the borehole wall that is closed, and this borehole wall has internal face and the outside wall surface relative with this internal face, a plurality of Vierendeel girders that in horizontal plane and vertical plane, cross one another is set between the said internal face reaches and set a roof beam in place near borehole wall underframe bottom.Form high interior back-up blocks such as a plurality of on the said internal face; On the said outside wall surface high outer back-up blocks such as a plurality of are set; And outer back-up block is higher than interior back-up block, and described bottom framework soffit is the plane of no sword pin, and the formation bottom of the said borehole wall has the sword pin on inclined-plane.
For achieving the above object, the present invention provides a kind of caisson structure is accurately sunk to ground and accurately heavy eventually method, and it comprises the steps:
(1) selected certain construction area, and in this construction area, squeeze into a plurality of support pile bodies and keep a part of length of support pile body to be exposed to more than the ground of construction area;
(2) in this construction area, make up a kind of caisson structure; It comprises the borehole wall that is closed; This borehole wall has internal face and the outside wall surface relative with this internal face; A plurality of Vierendeel girders that in horizontal plane and vertical face, cross one another and setting a roof beam in place near borehole wall underframe bottom are set between the said internal face; Form high interior back-up blocks such as a plurality of on the said internal face; On the said outside wall surface high outer back-up blocks such as a plurality of are set, and outer back-up block is higher than interior back-up block, described bottom framework soffit is the plane of no sword pin; And the part that the underframe that makes open caisson is set a roof beam in place and interior back-up block is supported in respectively by jack in the said construction area supports on the pile body; The outer back-up block of open caisson is then by one group of cushion block that vertically stacks and be supported in the jack of the below of cushion block bottom and the part that is supported in construction area supports on the pile body, and a plurality of cushion blocks that vertically laminate around be provided with cushion block is carried out spacing, thereby make cushion block only can be in longitudinal direction movable stopping means; The support pile body of support base Vierendeel girder and interior back-up block and jack have constituted inner support pile body and inner jack respectively; The support pile body and the jack that support outer back-up block have constituted external bracing pile body and outside jack respectively, and each in all inside and the outside jack comprises pedestal and the push rod of certain stroke that can in this pedestal, stretch, and the push rod of all jack initially is in elongation state; All set a roof beam in place fixing with interior back-up block and underframe and be suspended to it down in the push rod upper end of all inner jack; Jack inside and outside all is divided into generally first jack and the second batch of jack that intermeshes;
(3) operate all inside and outside jack; The push rod that makes each jack is all to pedestal withdrawal certain distance; And make the stroke gap of still leaving between push rod and the pedestal more than 30 millimeters, thus make the open caisson certain depth that in construction area, sinks for the first time, and make the sword pin of the borehole wall be inserted into underground;
(4) operating first jack makes it shorten 20～50 millimeters; Thereby make whole load of open caisson fully concentrate on second batch of jack; First jack then is in no load state; To be arranged in each outer back-up block and the one group of cushion block between the respective external jack of first jack a highest cushion block then takes out; Next operate each the outside jack in first jack; The push rod that makes this each outside jack is with respect to upwards elongation of pedestal; Thereby make the cushion block of the top in this group residue cushion block contact with outer back-up block and hold out against mutually, the inner support pile body that will be arranged at again under each the inner jack in first jack cuts off certain length, thereby makes the pedestal of the inside jack in first jack and cut the bigger gap of formation between the remaining inner support pile body in back; Next operate this each the inner jack in first jack; The pedestal of each inner jack is landed with respect to push rod, thereby the pedestal that makes each the inner jack in first jack contacts and holds out against downwards with the top of the remaining inner support pile body in cutting back, thereby make whole load of open caisson concentrate on simultaneously on first and the second batch of jack;
(5) second batch of jack of operation makes it shorten 20～50 millimeters; Thereby make whole load of open caisson fully transfer to first jack; And then make second batch of jack be in no load state; To be arranged in each outer back-up block and the one group of cushion block between the respective external jack of second batch of jack a highest cushion block then takes out; Next operate each the outside jack in second batch of jack; The push rod that makes this each outside jack is with respect to upwards elongation of pedestal; Thereby make the cushion block of the top in this group residue cushion block contact with outer back-up block and hold out against mutually, the inner support pile body that will be arranged at again under each the inner jack in second batch of jack cuts off certain length, thereby makes the pedestal of second batch of inside jack in the jack and cut the bigger gap of formation between the remaining inner support pile body in back; Next operate each the inner jack in second batch of jack; The pedestal of each inner jack is landed with respect to push rod, thereby the pedestal that makes second batch of each inner jack in the jack contacts and holds out against downwards with the top of the remaining inner support pile body in cutting back, thereby make whole load of open caisson concentrate on simultaneously on first and the second batch of jack;
(6) remove each outside jack push rod stopping means on every side;
(7) operate all inside and outside jack, the push rod that makes each jack is all to pedestal withdrawal certain distance, and makes the stroke gap of still leaving between push rod and the pedestal more than 30 millimeters, thereby makes the open caisson certain depth that in construction area, sinks once more;
(8) soil with shaft bottom in the open caisson cuts out one deck, thereby the part of each inner support pile body is come out from soil;
(9) repeat above-mentioned steps (4), (5), (6), (7) and (8) successively, thereby open caisson is constantly sunk, the cushion block on each outside jack is all taken away, and makes each outside jack all directly withstand corresponding outer back-up block;
(10) operate all inside and outside jack, the push rod of each jack is withdrawn to pedestal gradually, open caisson sinks down into the setting absolute altitude gradually;
(11) remove jack in batches, and, on whole support pile bodies top, all supporting open caisson, and then realization is accurately heavy eventually by the cushion cap concrete supporting cast cushion cap concrete on the pile body top.
The invention has the advantages that: because the suitable position on the open caisson is provided with many back-up blocks and the strong point; Supporting open caisson in uniform way by supporting pile body and jack; Therefore greatly reduced rigidity requirement to caisson structure; Make the not yielding or fracture of caisson structure, thereby improved construction and the safety of using.In addition; Through adopting the job practices that cooperatively interacts and operate of back-up block and the strong point and jack and pile tube; Make open caisson can sink to the degree of depth in the intended ground and accurately heavy eventually reposefully controllably gradually, thus prominent heavy, ultra heavy, the off-centring of having avoided occurring in the conventional construction method, plane rotation, vertical askew heavy, be out of shape and rupture, gush great safety and quality accidents such as soil, well subside outward in the well.
Description of drawings
Fig. 1 has showed the top plan view structure chart of open caisson 100 of the present invention, has showed the distributing position of whole support pile bodies on the open caisson plane and the relation of working in coordination of support pile body and open caisson;
Fig. 2 has showed that the master of open caisson shown in Figure 1 looks elevation, has shown a plurality of matching relationships that are formed at the outer back-up block and the cushion block of borehole wall outside wall surface and squeeze into the corresponding pile tube in the ground;
Fig. 3 has showed the sectional structure chart of open caisson shown in Figure 1 along the B-B direction, has shown the mated condition on sword pin and ground, and open caisson inner bottom part Vierendeel girder and squeeze into the matching relationship between the corresponding pile tube in the ground;
Fig. 4 has showed the sectional structure chart of open caisson shown in Figure 3 along the A-A direction;
Fig. 5 has showed the sectional structure chart of open caisson shown in Figure 1 along the C-C direction;
Fig. 6 has showed the part of open caisson shown in Figure 2 outer back-up block and cushion block and jack partly and has squeezed into the mutual alignment relation between the pile tube in the ground;
Fig. 7 has showed the sectional structure chart of structure shown in Figure 6 along the E-E direction;
Fig. 8 has showed the sectional structure chart of structure shown in Figure 6 along the D-D direction;
Fig. 9 has showed the facade structures of guiding pad rail shown in Figure 8;
Figure 10 has showed the plane structure of cushion block shown in Figure 6;
Figure 11 has showed the facade structures of limiting plate shown in Figure 6;
Figure 12 a-12d has showed the situation of change of process China and foreign countries back-up block, cushion block, jack and the corresponding pile tube of Fig. 1-open caisson shown in Figure 11 in sinking to ground successively;
Figure 13 a-13d has showed the situation of change of process China and foreign countries back-up block, cushion block, jack and the corresponding pile tube of Fig. 1-open caisson shown in Figure 11 in sinking to ground successively; The situation of change of having showed the jack of open caisson bottom frame under setting a roof beam in place and the pile tube that supports jack simultaneously;
Figure 14 has showed the device that is used for soil is taken out in the open caisson and the disposition-plan of open caisson;
Figure 15 has showed the device that is used for soil is taken out in the open caisson and the arrangement elevation of open caisson.
The specific embodiment
Be described in detail to open caisson of the present invention and with the method that open caisson accurately sinks to ground with reference to the accompanying drawings.
At first introduce caisson structure of the present invention.With reference to figure 1-Figure 11, open caisson 100 is as general as the structure of cuboid, such as being reinforced concrete structure or steel design etc.This open caisson 100 comprises that thereby four connect the borehole wall 102 that is closed mutually, and any two relative boreholes wall 102 are parallel to each other, thereby make four boreholes wall 102 constitute rectangular shape together.Each borehole wall 102 has internal face 110 and the outside wall surface 108 relative with this internal face 110.A plurality of Vierendeel girders parallel to each other in horizontal plane and vertical face are set between the internal face 110 of any two relative boreholes wall 102.Between the borehole wall 102 such as two horizontally sets frame rails 104 can be set; And between two boreholes wall 102 that vertically are provided with cruciform bracing 106 can be set.And crossbeam 106 and corresponding longeron 104 mutually orthogonals, thereby make them be as general as the structural strength that open caisson 100 provides horizontal support.
Wherein, open caisson 100 is the cruciform bracing of (be after open caisson is processed, it is near the end on ground) and the bottom level Vierendeel girder 126 (with reference to figure 3) that longeron has constituted open caisson bottom, and it is mainly used in partly supporting caisson 100 in work progress subsequently.
Each Vierendeel girder is fixedly attached on the corresponding borehole wall 102 by the frame column on the internal face that is arranged on the borehole wall 102 110 116.In addition, between the necessary frame beam, be provided with internal partition wall 124 (with reference to figure 3), it has further strengthened the overall construction intensity of open caisson 100.
Especially, the top (promptly away from ground) near open caisson 100 is provided with a plurality of outer back-up blocks 112 that wait high (with respect to the height of open caisson lowermost end) on the outside wall surface 108 of each borehole wall 102.And the height of the outer back-up block 112 on all boreholes wall 102 is all identical.Similarly, also be provided with a plurality of interior back-up blocks 114 that wait high (with respect to the height of open caisson lowermost end) on the internal face 110 of each borehole wall 102.And the height of the interior back-up block 114 on all boreholes wall 102 is all identical.Especially; The height of all interior back-up blocks 114 will be lower than the height of outer back-up block 112 out and away, owing to have these inside and outside back-up blocks (being commonly called as bracket), and by supporting pile body and jack supporting caisson in uniform way; Thereby greatly reduced rigidity requirement to caisson structure; In other words, it is very huge to the invention enables the member section of caisson structure to be made into, and can realize the safety of open caisson construction sedimentation and use.Please refer to Fig. 3 and Fig. 5, the bottom of said each borehole wall 102 (part that contacts with ground) forms the sword pin 128 with inclined-plane, because its edge is sharp relatively, so it helps whole open caisson 100 and easily sinks to below ground.
Introduce the method that open caisson 100 of the present invention accurately sinks to ground below, promptly open caisson be how steadily to sink in an orderly manner underground.At first introduce the support structure relevant with this method.In order stably open caisson to be supported on the ground,, squeezed into the support pile body of predetermined number under ground 300 (with reference to figure 5) in advance, such as pile tube 118 with reference to figure 2, Fig. 3 and Fig. 5.And preferably, pile tube 118 is squeezed into ground up to contacting (as shown in Figure 5) with the basement rock bearing stratum 200 of geology.The structure and the geological condition of open caisson depended in the quantity of pile tube and distribution.In the present embodiment; Pile tube 118 is preferably squeezed under the ground 300; And make its top segment distance on 300 that bassets; And set a roof beam in place position that (crossbeam and longeron) intersect and corresponding to the position of outer back-up block 112 and interior back-up block 114 of any two bottom frame that pile tube 118 preferably is supported in open caisson 100, in addition, pile tube 118 also is supported in bottom frame 126 belows (with reference to figure 3) of setting a roof beam in place.In Fig. 1, Fig. 2, represented the distributing position of pile tube with black circle or white circle.These a large amount of equally distributed pile tubes 118 will play crucial effects in the steady sinking of open caisson 100 and accurately eventually heavy process.
Squeeze between pile tube 118 and the interior back-up block 114 on ground and be provided with the jack 120 (with reference to figure 5) that is used to adjust the open caisson height; Similarly, squeeze between pile tube 118 and the bottom support beam 126 on ground and also be provided with the jack 120 (with reference to figure 3) that is used to adjust the open caisson height; Squeeze between pile tube 118 and the outer back-up block 112 on ground then except jack 120 is set, also jack 120 and outside be provided with a plurality of cushion blocks 122 (with reference to figure 2 and Fig. 5) versatilely between the back-up block 112.Convenient for the operation of sinking, the top of jack is all fastened to each other with the top corresponding construction in the well, and can suspend in midair.
Below the position introduced in detail between outer back-up block 112 and jack 120, cushion block 122 and the pile tube 118 concern.With reference to figure 6-Figure 11 and Fig. 1, outer back-up block 112 is from outwards outstanding formation of outside wall surface 108 of the borehole wall 102.Each outer back-up block 112 has from outside wall surface 108 outwardly directed base portions 160 and two limited walls 134 stretching out downwards from this base portion 160.And surrounded semi-enclosed space jointly between these two limited walls 134 and base portion 160 and the outside wall surface 108.Be provided with the guiding pad rail 130 of hollow rectangular block shape in this semi-enclosed space, then accommodate the cushion block 122 of rectangular block shape between this guiding pad rail 130 and this two limited walls 134.In addition; Connect mutually by limiting plate 132 between said two limited walls 134; Thereby cushion block 122 is limited in the space that two limited walls 134, guiding pad rail 130 and limiting plate 132 surround jointly, and then in work progress, cushion block 122 can not drop from the side.This structure of guaranteeing that cushion block 122 can not drop from the side in the well sinking process has formed the stopping means of cushion block 122.In addition; Each jack 120 can be traditional jack; Be used to adjust the height of open caisson; Such as jack 120 can comprise pedestal 504 and can on this pedestal 504 with respect to this pedestal 504 under the operation of handle (figure do not show) and move up and down the device of position, the push rod 502 that promptly elongates or shortens.It should be noted that: above-mentioned limited wall 134 longitudinally extends on the whole height of open caisson 100.And limited wall 134 is a temporary structure, and it is cut off a part along with the extraction gradually of cushion block gradually in the whole process of well sinking, and after all cushion blocks all are drawn out of, this limited wall 134 will fully be removed.
Though in the foregoing description, as for example, and do not mean that open caisson of the present invention is confined to the structure of this a kind of flat shape with the open caisson of cuboid shape.On the contrary, open caisson can be caisson structures such as circular open caisson, regular polygon, elongated rectangular shape or various asymmetric special-shaped level shapes.
It mainly is to utilize the whole load of open caisson between adjacent support pile body, alternately to shift variation principle and the adjustable for height principle of jack to realize that the present invention sinks to the Construction of Ground method reposefully with open caisson.Figure 12 a-13d has showed the course of work of the inventive method.At first with reference to figure 12a and 13a, it has shown outside with the inner original state of open caisson respectively.The pile tube 118 that is predetermined quantity is at first squeezed in the ground, thereby open caisson 100 is supported on the pile tube 118.Specifically, outer back-up block 112 is supported on the pile tube 118 by the jack 120 between a plurality of cushion blocks 122 and cushion block 122 bottom and the corresponding pile tube 118; Open caisson 100 inner bottom frame are set a roof beam in place 126 and directly are supported on the corresponding pile tube 118 by jack 120; Simultaneously, open caisson 100 inner interior back-up blocks also directly are supported in (with reference to figure 5) on the corresponding pile tube 118 by jack 120.At this moment, the weight of open caisson 100 (load) acts on all (outer with the borehole wall in the borehole wall) pile tubes 118, and in other words, all pile tubes 118 all bear the weight of open caisson 100 simultaneously.And this moment, all jack 120 all are in elongation state, and promptly the push rod 502 on its pedestal 504 all is positioned at the extreme higher position.The sword pin 128 of open caisson 100 then initially is inserted in the ground.In addition, for convenience, jack inside and outside all is divided into first jack of intermeshing (jack of representing such as black circles among Fig. 1) and second batch of jack (jack of representing such as white circle among Fig. 1) generally.
Next, shown in Figure 12 b and 13b, operate all jack 120; Make the push rod 502 of all jack 120 shorten, at this moment, whole open caisson 100 is corresponding sinking certain distance because of the shortening of push rod 502; Thereby make the sword pin of open caisson 100 be inserted in the ground once more; And the part weight of whole open caisson 100 compresses the soil property below it effectively, thereby has increased the horizontal wedge action of foundation soil to open caisson 100, has increased open caisson 100 stability.And because foundation soil begins to share the weight of open caisson 100 parts, thereby reduced the load of open caisson immediately to jack.
Figure 12 c and 13c have showed next step operation of the present invention.For convenience, the cushion block 122 that the borehole wall is outer is from up to down successively from 1 open numbering, and uppermost cushion block is numbered cushion block No. 1, all the other and the like.Simultaneously with reference to figure 6-Figure 11, in this operation, at first with first jack (comprise inner with outside jack) shortening certain distance, such as 30～50 millimeters, with uppermost cushion block (No. 1 cushion block) from extraction between two limited walls 134 of outer back-up block 112.The outside jack of immediate operation in first makes outside jack elongation hold out against next piece cushion block 122, i.e. No. 2 cushion blocks then.At this moment, No. 2 cushion blocks become the cushion block that contacts with outer back-up block 112.
Next, certain-length is cut away in the top of the inside pile tube (promptly support the pile tube of inner jack, be also referred to as the inner support pile body) below the inside jack of first jack.Then, with the push rod of the inside jack of first jack jack-up once more, set a roof beam in place between (or interior back-up block) and the inner pile tube thereby be supported in underframe.At this moment, whole load of open caisson concentrate on first and the second batch of jack simultaneously.After this, limited wall 134 is cut away a part certainly bottom, thereby avoid it bottom the sinking of open caisson to be caused obstacle.
Next, second batch of jack (comprise inner with outside jack) shortened certain distance, such as 30～50 millimeters, with uppermost cushion block (No. 1 cushion block) from extracting out between two limited walls 134 of outer back-up block 112.Outside jack in second batch of the immediate operation makes outside jack elongation hold out against next piece cushion block 122, i.e. No. 2 cushion blocks then.At this moment, No. 2 cushion blocks become the cushion block that contacts with outer back-up block 112.Next, certain-length is cut away in the top of the inside pile tube (promptly supporting the pile tube of inner jack) below the inside jack of first jack.Then, with the push rod of the inside jack of second batch of jack jack-up once more, set a roof beam in place between (or interior back-up block) and the inner pile tube thereby be supported in underframe.Up to the present, at this moment, whole load of open caisson concentrate on first and the second batch of jack once more simultaneously; And No. 1 cushion block 122 on all external bracing pieces is all taken out, and the length of all inner support pile bodies is all prescinded certain-length.After this, limited wall 134 is cut away a part certainly bottom, thereby avoid it bottom the sinking of open caisson to be caused obstacle.
After this, shown in Figure 12 d and 13d, let the rams retracted of inside and outside jack 120 once more, thereby cause the whole once more sedimentation certain distance downwards of open caisson 100, promptly outside jack shortens a stroke.
Ensuing work progress is consistent with the process that combines Figure 12 c and 13c to describe basically, and the cushion block that only extracts is No. 2 cushion blocks.Then, process proceeds in the step that combines Figure 12 d and 13d description.Like this, along with the continuous circulation of operation, cushion block is drawn out of gradually, and open caisson descends gradually, is drawn out of up to all cushion blocks, and all parts of limited wall are all by after the excision.Operate all inside and outside jack, the push rod of each jack is withdrawn to pedestal gradually, open caisson sinks down into the setting absolute altitude gradually.Then, remove jack in batches, and, on whole support pile bodies top, all supporting open caisson, and then realization is accurately heavy eventually by the cushion cap concrete supporting cast cushion cap concrete on the pile body top.
In said process because along with the sinking gradually of open caisson, inner pile tube needs constantly blocked, yet since most of position of inner pile tube be embedded in the ground, therefore, when construction, need constantly with inner pile tube around the soil at (end in the well) dig out.This is by composite bridge straddle truck 500 among Figure 14,15 and the conveyor that cooperates with this composite bridge straddle truck 500 600 common realizations.Both are arranged on the top of open caisson 100, owing to have the branch grid space between the Vierendeel girder of open caisson 100, therefore can easily soil be dug out.In addition, composite bridge straddle truck 500 also can hang in excavator and carry out digging in the well.
Briefly say; The present invention at first provides a kind of caisson structure, and it comprises the borehole wall that is closed, and this borehole wall has internal face and the outside wall surface relative with this internal face; A plurality of Vierendeel girders that cross one another and setting a roof beam in place near borehole wall underframe bottom are set between the said internal face; Form high interior back-up blocks such as a plurality of on the said internal face, high outer back-up blocks such as a plurality of are set on the said outside wall surface, and outer back-up block is higher than interior back-up block; Described bottom framework soffit is the plane of no sword pin, and the formation bottom of the said borehole wall has the sword pin on inclined-plane.
Preferably, said outer back-up block comprises base portion and extends downward a pair of limited wall from this base portion.And base portion and limited wall longitudinally extend on the whole height of the borehole wall.Be provided with the guiding pad rail of cuboid shape in the said limited wall.
The present invention provides a kind of method that above-mentioned caisson structure is accurately sunk to ground simultaneously.It comprises the steps:
(1) selected certain construction area, and in this construction area, squeeze into a plurality of support pile bodies and keep a part of length of support pile body to be exposed to more than the ground of construction area;
(2) in this construction area, make up a kind of caisson structure; It comprises the borehole wall that is closed; This borehole wall has internal face and the outside wall surface relative with this internal face; A plurality of Vierendeel girders that in horizontal plane and vertical face, cross one another and setting a roof beam in place near borehole wall underframe bottom are set between the said internal face; Form high interior back-up blocks such as a plurality of on the said internal face; On the said outside wall surface high outer back-up blocks such as a plurality of are set, and outer back-up block is higher than interior back-up block, described bottom framework soffit is the plane of no sword pin; And the part that the underframe that makes open caisson is set a roof beam in place and interior back-up block is supported in respectively by jack in the said construction area supports on the pile body; The outer back-up block of open caisson is then by one group of cushion block that vertically stacks and be supported in the jack of the below of cushion block bottom and the part that is supported in construction area supports on the pile body, and a plurality of cushion blocks that vertically laminate around be provided with cushion block is carried out spacing, thereby make cushion block only can be in longitudinal direction movable stopping means; The support pile body of support base Vierendeel girder and interior back-up block and jack have constituted inner support pile body and inner jack respectively; The support pile body and the jack that support outer back-up block have constituted external bracing pile body and outside jack respectively, and each in all inside and the outside jack comprises pedestal and the push rod of certain stroke that can in this pedestal, stretch, and the push rod of all jack initially is in elongation state; All set a roof beam in place fixing with interior back-up block and underframe and be suspended to it down in the push rod upper end of all inner jack; Jack inside and outside all is divided into generally first jack and the second batch of jack that intermeshes;
(3) operate all inside and outside jack; The push rod that makes each jack is all to pedestal withdrawal certain distance; And make the stroke gap of still leaving between push rod and the pedestal more than 30 millimeters, thus make the open caisson certain depth that in construction area, sinks for the first time, and make the sword pin of the borehole wall be inserted into underground;
(4) operating first jack makes it shorten 20～50 millimeters; Thereby make whole load of open caisson fully concentrate on second batch of jack; First jack then is in no load state; To be arranged in each outer back-up block and the one group of cushion block between the respective external jack of first jack a highest cushion block then takes out; Next operate each the outside jack in first jack; The push rod that makes this each outside jack is with respect to upwards elongation of pedestal; Thereby make the cushion block of the top in this group residue cushion block contact with outer back-up block and hold out against mutually, the inner support pile body that will be arranged at again under each the inner jack in first jack cuts off certain length, thereby makes the pedestal of the inside jack in first jack and cut the bigger gap of formation between the remaining inner support pile body in back; Next operate this each the inner jack in first jack; The pedestal of each inner jack is landed with respect to push rod, thereby the pedestal that makes each the inner jack in first jack contacts and holds out against downwards with the top of the remaining inner support pile body in cutting back, thereby make whole load of open caisson concentrate on simultaneously on first and the second batch of jack;
(5) second batch of jack of operation makes it shorten 20～50 millimeters; Thereby make whole load of open caisson fully transfer to first jack; And then make second batch of jack be in no load state; To be arranged in each outer back-up block and the one group of cushion block between the respective external jack of second batch of jack a highest cushion block then takes out; Next operate each the outside jack in second batch of jack; The push rod that makes this each outside jack is with respect to upwards elongation of pedestal; Thereby make the cushion block of the top in this group residue cushion block contact with outer back-up block and hold out against mutually, the inner support pile body that will be arranged at again under each the inner jack in second batch of jack cuts off certain length, thereby makes the pedestal of second batch of inside jack in the jack and cut the bigger gap of formation between the remaining inner support pile body in back; Next operate each the inner jack in second batch of jack; The pedestal of each inner jack is landed with respect to push rod, thereby the pedestal that makes second batch of each inner jack in the jack contacts and holds out against downwards with the top of the remaining inner support pile body in cutting back, thereby make whole load of open caisson concentrate on simultaneously on first and the second batch of jack;
(6) remove each outside jack push rod stopping means on every side;
(7) operate all inside and outside jack, the push rod that makes each jack is all to pedestal withdrawal certain distance, and makes the stroke gap of still leaving between push rod and the pedestal more than 30 millimeters, thereby makes the open caisson certain depth that in construction area, sinks once more;
(8) soil with shaft bottom in the open caisson cuts out one deck, thereby the part of each inner support pile body is come out from soil;
(9) repeat above-mentioned steps (4), (5), (6), (7) and (8) successively, thereby open caisson is constantly sunk, the cushion block on each outside jack is all taken away, and makes each outside jack all directly withstand corresponding outer back-up block;
(10) operate all inside and outside jack, the push rod of each jack is withdrawn to pedestal gradually, open caisson sinks down into the setting absolute altitude gradually;
(11) remove jack in batches, and, on whole support pile bodies top, all supporting open caisson, and then realization is accurately heavy eventually by the cushion cap concrete supporting cast cushion cap concrete on the pile body top.
Particularly, the outer back-up block of caisson structure comprises base portion and a pair of limited wall that extends from this base portion; Base portion and limited wall longitudinally extend on the whole height of the borehole wall; Be provided with the guiding pad rail of cuboid shape in the said limited wall; Said one group of cushion block is arranged in the space that surrounds between base portion and limited wall and the guiding pad rail three; And between said two limited walls by the limiting plate of cuboid shape and couple together mutually; Thereby make cushion block be restricted in two limited walls, the guiding pad space that rail and limiting plate surrounded; Said two limited walls, guiding pad rail and limiting plate have constituted above-mentioned stopping means jointly, thereby make only longitudinally activity of cushion block.Said support pile body is prestressed high-strength concrete pile or steel pipe pile, and pile tube must be driven in the underground basement rock soil bearing stratum.
The invention has the advantages that: through adopting the job practices that cooperatively interacts and operate of back-up block and jack and pile tube; Make open caisson can sink to the degree of depth in the intended ground reposefully controllably gradually; And accurately eventually heavy, thus prominent heavy, ultra heavy, the off-centring of having avoided occurring in the conventional construction method, plane rotation, vertical askew heavy, be out of shape and rupture, gush great safety and quality accidents such as soil, well subside outward in the well.
Said inside and outside back-up block can be a reinforced concrete structure, can also be steel work.Inside and outside back-up block can be single independent support body piece, can also be the continuous collar tie beam formula of level or hat beam type or supporter piece.In addition, said jack can be various types of mechanical elevating mechanism, and is not limited to disclosed specific jack structure in the literary composition.In the outer back-up block of the borehole wall of open caisson, the borehole wall in back-up block, the well underframe bottom supporting structure such as set a roof beam in place can use separately, also can make up use neatly, it can adopt according to different caisson structure design requirements.In addition, the present invention can be used for the plane long-pending bigger, shape is more complicated, monolateral size reaches the open caisson project that ground is softer and submergence depth is darker more greatly, thereby reduced cost, obtained better economy.
Claims (9)
1. support system that is used to sink caisson structure; This caisson structure comprises the borehole wall that is closed; It is characterized in that; Form high interior back-up blocks such as a plurality of on the internal face of the said borehole wall, form high outer back-up blocks such as a plurality of on the outside wall surface of the said borehole wall, and said outer back-up block is higher than said interior back-up block;
Said support system comprises:
Vertically sink to underground a plurality of supporting piles, said caisson structure is positioned at the top of supporting pile; The position of said supporting pile is corresponding separately with the position of said interior back-up block and said outer back-up block, to realize the support to back-up block in said and said outer back-up block respectively; And
Mechanical elevating mechanism; Said mechanical elevating mechanism comprise be separately positioned on said in inside jack between back-up block and the corresponding said supporting pile; Be separately positioned on the outside jack between said outer back-up block and the corresponding said supporting pile, and be arranged on the vertical a plurality of cushion blocks of stack each other between the said outer back-up block said outside jack corresponding with it.
2. support system as claimed in claim 1; It is characterized in that; Said caisson structure further comprise be arranged in the borehole wall and with the fixing Vierendeel girder of the borehole wall; The bottom frame that is provided with bottom of said caisson structure is set a roof beam in place, and said support system also comprises and be used to support the supporting pile that said bottom frame is set a roof beam in place, said mechanical elevating mechanism also comprise be arranged at that said bottom frame is set a roof beam in place and the supporting pile corresponding with it between jack.
3. support system as claimed in claim 1 is characterized in that, said outer back-up block comprise base portion and from this base portion to a pair of limited wall that extends below; Surround semi-enclosed space jointly between said a pair of limited wall and said base portion and the said outside wall surface, in said hemi-closure space, be provided with guiding pad rail, then held cushion block between said guiding pad rail and the said a pair of limited wall;
Said support system comprises a plurality of each other vertically said cushion blocks of stack, and the last end in contact of cushion block bottom and corresponding said jack.
4. support system as claimed in claim 3; It is characterized in that: interconnect by limiting plate between the said a pair of limited wall; Thereby said cushion block is limited in the space that said a pair of limited wall, said guiding pad rail and said limiting plate surround jointly; So that in work progress, cushion block can not drop from the side.
5. one kind is accurately sunk to underground method with caisson structure, and it comprises the steps:
(1) selected construction area is squeezed into a plurality of supporting piles at construction area, and keeps a part of length of supporting pile to be exposed to more than the ground of construction area;
(2) correspondence is provided with a jack on each supporting pile, and this moment, jack was in elongation state;
(3) above jack, make up caisson structure, this caisson structure comprises the borehole wall that is closed; Form high interior back-up blocks such as a plurality of on the internal face of the said borehole wall, form high outer back-up blocks such as a plurality of on the outside wall surface of the said borehole wall, and said outer back-up block is higher than said interior back-up block;
Said caisson structure is placed on the said jack, and make said jack respectively with said in back-up block, said outer back-up block position corresponding; Outside said, also be provided with each other vertically a plurality of cushion blocks of stack between back-up block and the corresponding said jack; Make the upper end of corresponding said jack be supported in the cushion block bottom in the said a plurality of cushion blocks that vertically superpose each other, the lower end is supported by the upper end of its corresponding supporting pile;
The said supporting pile and the said jack that support said interior back-up block constitute inner support stake and inner jack respectively, and the said supporting pile and the said jack that support said outer back-up block constitute external bracing stake and outside jack respectively;
When (4) need waiting caisson structure to sink, operate each jack equal segment distance of all withdrawing, thereby make the said caisson structure identical distance of also sinking;
(5) all inside, outside jack are divided into first interlaced jack and second batch of jack; Thereby operating first jack continuation withdrawal one segment distance makes the load of caisson structure all concentrate on second batch of jack;
A the highest cushion block in one group of cushion block between each outside jack in first jack and the corresponding outer back-up block is taken out; Then immediately with the upwards elongation of push rod of these first outside jack, thereby make that the highest cushion block holds out against with corresponding outer back-up block in remaining one group of cushion block; The upper end of the pairing inner support stake of inside jack from first jack is clipped one section, is supported between inner support stake and the caisson structure thereby then the inside jack in first jack is extended again;
Thereby operating second batch of jack segment distance of withdrawing makes the load of caisson structure all concentrate on first jack; A the highest cushion block in one group of cushion block between each outside jack in second batch of jack and the corresponding outer back-up block is taken out; Then immediately with the upwards elongation of the push rod of these second batch of outside jack, thereby make that the highest cushion block holds out against with corresponding outer back-up block in remaining one group of cushion block; The upper end of the pairing inner support stake of inside jack from second batch of jack is clipped one section, is supported between inner support stake and the caisson structure thereby then the inside jack in second batch of jack is extended again;
(6) when needs sink said caisson structure once more, repetitive operation above-mentioned steps (4) and (5) are until caisson structure is sunk to preposition.
6. method as claimed in claim 5 is characterized in that: the said caisson structure that makes up in the step (3) further comprise be arranged in the borehole wall and with the fixing Vierendeel girder of the borehole wall, set a roof beam in place in the bottom frame that is provided with bottom of said caisson structure; Accordingly, squeeze at construction area in the step (1) and be used to support the supporting pile that said bottom frame is set a roof beam in place, on said bottom frame is set a roof beam in place corresponding supporting pile, be arranged at the jin top in the step (2); Be used to support the supporting pile that said bottom frame sets a roof beam in place and also constitute inner support stake and inner jack respectively with corresponding jack.
7. method as claimed in claim 5 is characterized in that: said outer back-up block comprise base portion and from this base portion to a pair of limited wall that extends below; Surround semi-enclosed space jointly between said a pair of limited wall and said base portion and the said outside wall surface, in said hemi-closure space, be provided with guiding pad rail, then held cushion block between said guiding pad rail and the said a pair of limited wall.
8. method as claimed in claim 7 is characterized in that: in the space that is formed by the outside wall surface of the said borehole wall, said a pair of limited wall, be provided with guiding pad rail.
9. method as claimed in claim 8; It is characterized in that: interconnect by limiting plate between the said a pair of limited wall; Thereby said cushion block is limited in the space that is surrounded jointly by said a pair of limited wall, said guiding pad rail and said limiting plate; So that in work progress, cushion block can not drop from the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009801026576A CN101918643B (en) | 2008-01-24 | 2009-01-06 | Caisson structure and method of sinking the caisson structure into the ground exactly |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810026012A CN101418573B (en) | 2008-01-24 | 2008-01-24 | Caisson structure and method for smoothly and accurately sinking caisson structure into earth surface |
| CN200810026012.6 | 2008-01-24 | ||
| PCT/CN2009/070038 WO2009094912A1 (en) | 2008-01-24 | 2009-01-06 | Caisson structure and method of sinking the caisson structure into the ground exactly |
| CN2009801026576A CN101918643B (en) | 2008-01-24 | 2009-01-06 | Caisson structure and method of sinking the caisson structure into the ground exactly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101918643A CN101918643A (en) | 2010-12-15 |
| CN101918643B true CN101918643B (en) | 2012-10-10 |
Family
ID=40629560
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810026012A Expired - Fee Related CN101418573B (en) | 2008-01-24 | 2008-01-24 | Caisson structure and method for smoothly and accurately sinking caisson structure into earth surface |
| CN2009801026576A Expired - Fee Related CN101918643B (en) | 2008-01-24 | 2009-01-06 | Caisson structure and method of sinking the caisson structure into the ground exactly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810026012A Expired - Fee Related CN101418573B (en) | 2008-01-24 | 2008-01-24 | Caisson structure and method for smoothly and accurately sinking caisson structure into earth surface |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100296876A1 (en) |
| EP (1) | EP2246481A1 (en) |
| JP (1) | JP2011510195A (en) |
| CN (2) | CN101418573B (en) |
| WO (1) | WO2009094912A1 (en) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591915B (en) * | 2009-06-25 | 2014-12-17 | 丁慈鑫 | Outer support system for supporting caisson structure and construction method thereof |
| CN101851930B (en) * | 2010-01-15 | 2012-10-03 | 丁慈鑫 | Sinking device of open caisson and sinking method of open caisson with same |
| CN101787703B (en) * | 2010-03-17 | 2011-06-15 | 中国二十二冶集团有限公司 | Sinking construction method of sinking well with geology of gravel and pebble beds under saturated water condition |
| CN101942839B (en) * | 2010-09-10 | 2012-05-02 | 丁慈鑫 | Construction method for entering inside of open caisson and transporting soil |
| JP4942230B1 (en) * | 2010-11-29 | 2012-05-30 | 賢治 町筋 | Submersible method and equipment for submerged method |
| CN102900090A (en) * | 2011-07-29 | 2013-01-30 | 邹宗煊 | Non-inclined dry-operation open caisson capable of preventing water burst and land subsidence and construction method thereof |
| CN102926395A (en) * | 2012-11-22 | 2013-02-13 | 天津华悦土木工程质量检测有限公司 | Open caisson construction method of flowing muddy mollisol |
| CN103422508B (en) * | 2013-03-08 | 2015-09-30 | 中国建筑第四工程局有限公司 | Deep foundation ditch inner support platform structure machinery is vexed tears method and structure open |
| JP6219666B2 (en) * | 2013-10-10 | 2017-10-25 | 株式会社安藤・間 | Pneumatic caisson installation method |
| CN105201003B (en) * | 2015-10-15 | 2018-04-20 | 北京中岩大地科技股份有限公司 | A kind of open caisson construction method and method for dismounting |
| CN105696614B (en) * | 2016-01-27 | 2018-02-02 | 中国十七冶集团有限公司 | One kind solves the super heavy resetting means of open caisson using top of above leaving behind |
| CN108999202A (en) * | 2018-08-23 | 2018-12-14 | 中铁六局集团广州工程有限公司 | Prevent the super heavy method and device of open caisson |
| CN109098201A (en) * | 2018-10-12 | 2018-12-28 | 西南交通大学 | A kind of super plane area portions prestressed concrete well foundation and its construction method |
| CN109518691B (en) * | 2018-11-27 | 2020-10-20 | 张利均 | Pile extractor |
| KR101960413B1 (en) * | 2019-01-07 | 2019-03-20 | 김준성 | Structure construction method |
| CN109826218A (en) * | 2019-03-25 | 2019-05-31 | 中国十七冶集团有限公司 | A kind of open caisson end heavy stage hydraulic lifting deviation-rectifying system |
| CN110093942A (en) * | 2019-05-30 | 2019-08-06 | 安徽省交通控股集团有限公司 | A kind of assembled radical well foundation of two-wall hollow |
| CN110485470B (en) * | 2019-08-08 | 2021-05-04 | 郑州安源工程技术有限公司 | Rectangular working well with pre-arranged jacking pipe door opening and sliding type rear wall in water-rich stratum and construction method of rectangular working well |
| CN112523243A (en) * | 2019-09-19 | 2021-03-19 | 派利有限公司 | Caisson template |
| CN111677008B (en) * | 2020-06-02 | 2021-11-16 | 福州市恒坤建设发展有限公司 | Construction method of assembled underground garage |
| CN111622251A (en) * | 2020-06-15 | 2020-09-04 | 北京中岩智泊科技有限公司 | Assembly type open caisson structure and construction method thereof |
| CN111749258A (en) * | 2020-06-30 | 2020-10-09 | 中国二十二冶集团有限公司 | Construction method of tire mold of edge foot of cyclone well |
| CN112854296B (en) * | 2021-01-13 | 2022-04-15 | 河南城建学院 | Vertical wall sliding installation supporting device and construction method thereof |
| CN113737833B (en) * | 2021-09-09 | 2022-09-09 | 中建七局交通建设有限公司 | Open caisson construction formwork and construction method thereof |
| CN113833001A (en) * | 2021-09-22 | 2021-12-24 | 济南市市政工程设计研究院（集团）有限责任公司 | Detachable rolling sinking type open caisson structure and construction process |
| CN115262649A (en) * | 2022-08-05 | 2022-11-01 | 安徽科尼盛机电科技有限责任公司 | Composite construction's waterproof theftproof well lid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044144A (en) * | 1989-01-14 | 1990-07-25 | 全球海洋问题研究所 | Caisson |
| CN2193891Y (en) * | 1993-06-17 | 1995-04-05 | 张卡鸣 | Double-wall cylindrical open well frame |
| JP2003171941A (en) * | 2001-12-03 | 2003-06-20 | Ishikawajima Harima Heavy Ind Co Ltd | Caisson and its construction method |
| CN1441127A (en) * | 2003-04-09 | 2003-09-10 | 王民寿 | Caisson structure and fast construction method of opencaisson |
| KR20050097735A (en) * | 2004-04-02 | 2005-10-10 | (주) 선암기술연구소 | Caisson installed support means and construction method of underwater structure using it |
| CN101003974A (en) * | 2006-12-22 | 2007-07-25 | 中铁大桥局股份有限公司 | Method for constructing groundwork for large-scale sinking well in deep water |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU912836A1 (en) * | 1980-07-07 | 1982-03-15 | Государственный Институт По Проектированию Горнорудных Предприятий Центральных Районов Рсфср "Центргипроруда" | Method of driving a sinkable well into soil |
| US4938634A (en) * | 1989-06-26 | 1990-07-03 | Lee Yuan Ho | Process for lowering basement |
| CN1043483C (en) * | 1994-07-30 | 1999-05-26 | 海勃湾矿务局基本建设第一工程处 | Open caisson method of inclined shaft |
| CN1053246C (en) * | 1994-08-01 | 2000-06-07 | 胡泽嘉 | Construction method and device using large open caisson lowering water level in high-storied buiding and under ground engineering |
| CN1884719A (en) * | 2006-06-08 | 2006-12-27 | 中铁大桥局股份有限公司 | High opening, low edge-foot double-wall steel-cofferdams construction process for coffer without back cover concrete |
| CN201176597Y (en) * | 2008-01-28 | 2009-01-07 | 丁慈鑫 | Sinking well structure |
-
2008
- 2008-01-24 CN CN200810026012A patent/CN101418573B/en not_active Expired - Fee Related
-
2009
- 2009-01-06 JP JP2010543364A patent/JP2011510195A/en active Pending
- 2009-01-06 CN CN2009801026576A patent/CN101918643B/en not_active Expired - Fee Related
- 2009-01-06 EP EP09705158A patent/EP2246481A1/en not_active Withdrawn
- 2009-01-06 US US12/864,235 patent/US20100296876A1/en not_active Abandoned
- 2009-01-06 WO PCT/CN2009/070038 patent/WO2009094912A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044144A (en) * | 1989-01-14 | 1990-07-25 | 全球海洋问题研究所 | Caisson |
| CN2193891Y (en) * | 1993-06-17 | 1995-04-05 | 张卡鸣 | Double-wall cylindrical open well frame |
| JP2003171941A (en) * | 2001-12-03 | 2003-06-20 | Ishikawajima Harima Heavy Ind Co Ltd | Caisson and its construction method |
| CN1441127A (en) * | 2003-04-09 | 2003-09-10 | 王民寿 | Caisson structure and fast construction method of opencaisson |
| KR20050097735A (en) * | 2004-04-02 | 2005-10-10 | (주) 선암기술연구소 | Caisson installed support means and construction method of underwater structure using it |
| CN101003974A (en) * | 2006-12-22 | 2007-07-25 | 中铁大桥局股份有限公司 | Method for constructing groundwork for large-scale sinking well in deep water |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011510195A (en) | 2011-03-31 |
| WO2009094912A1 (en) | 2009-08-06 |
| CN101918643A (en) | 2010-12-15 |
| CN101418573B (en) | 2012-09-05 |
| CN101418573A (en) | 2009-04-29 |
| EP2246481A1 (en) | 2010-11-03 |
| US20100296876A1 (en) | 2010-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101918643B (en) | Caisson structure and method of sinking the caisson structure into the ground exactly | |
| CN101092850A (en) | Method and installation for rising building or historical building / cluster of historical building integrally | |
| CN107246016B (en) | Hanging type inner support system suitable for foundation pit engineering and foundation pit construction method | |
| CN212742573U (en) | Pipe jacking working well assembled supporting construction | |
| CN102061742B (en) | Shockproof reinforced concrete pseudo-classic building structural system | |
| CN212053673U (en) | Tower construction operation platform of dome | |
| CN104878786B (en) | Tiltedly orthogonal is for group's Pile-soil-structure Interaction experimental model | |
| CN201176597Y (en) | Sinking well structure | |
| CN112195779A (en) | Multifunctional trestle construction method suitable for thick pebble layer | |
| CN108930273B (en) | Basement supporting construction method | |
| CN203834487U (en) | Section steel inner brace and Lassen pile support for excavation of dumbbell-shaped deep and large foundation pit | |
| CN211340800U (en) | Super dark foundation ditch earthwork excavation platform structure | |
| CN201722700U (en) | Infrastructure of tower crane | |
| CN206768836U (en) | A kind of I-steel gabion assembles counterfort supporting construction | |
| CN213773339U (en) | Tubular pile with large bearing capacity | |
| CN113356290B (en) | Longitudinal wall beam type pile foundation underpinning construction method for underground passage construction | |
| CN101851931B (en) | Sinking well with secondary support device and construction method thereof | |
| CN210946864U (en) | Landscape structure foundation for soft stratum | |
| CN212175798U (en) | Whole strutting arrangement of deep basal pit | |
| CN205152959U (en) | Structure is strutted to basement that props to no concrete | |
| CN214530704U (en) | Warehouse-dividing deep foundation pit supporting structure next to subway tunnel | |
| CN218881711U (en) | Do not need to return top conversion bearing structure | |
| CN218643330U (en) | Steel-pipe pile is inserted and is beaten construction platform | |
| CN113047587B (en) | Liftable operation platform for soft soil foundation construction and building method | |
| CN209799419U (en) | Positioning and verticality adjusting device for structural column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20180106 |