CN101240549A - Single-arm steel hanging box and construction method thereof - Google Patents
Single-arm steel hanging box and construction method thereof Download PDFInfo
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- CN101240549A CN101240549A CNA2008100139466A CN200810013946A CN101240549A CN 101240549 A CN101240549 A CN 101240549A CN A2008100139466 A CNA2008100139466 A CN A2008100139466A CN 200810013946 A CN200810013946 A CN 200810013946A CN 101240549 A CN101240549 A CN 101240549A
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Abstract
The invention relates to a single wall steel hanging case, pertaining to a deep water platform and pier column construction enclosure structure. The invention also relates to a construction method for a single wall steel hanging case. The invented single wall steel hanging case mainly comprises a side plate and a bottom plate, wherein the side plate is mainly composed of an upper segment and a lower segment, and the bottom plate comprises a panel, a longitudinal beam and a transverse beam, wherein the panel is paved on the longitudinal beam, the edge of the panel parallel to the longitudinal beam is welded with an equal angle steel, the other two edges are welded with a steel angle flange, and a nut is welded correspondingly at the lower side of the steel angle flange through hole; the longitudinal beam is paved on the transverse beam, each two beams are disposed at the two sides of the hole, each end of the beam is welded with a anchor backing board, and a through hole is disposed at the inner and outer two sides of the anchor backing board corresponding to the side plate. The bottom of the invented single wall hanging case is removable, and the shortcoming of the traditional steel hanging case that the bottom plate is not recoverable is overcome.
Description
(1) technical field
The present invention relates to a kind of single-arm steel hanging box, belong to a kind of deep water cushion cap, pier stud construction space enclosing structure.The bright construction that also relates to this single-arm steel hanging box of this law.
(2) background technology
In recent years along with the growth of transport need, the increase of bridge span and the increase of basic underwater penetration, especially in recent years the straits, bay, stride the rivers bridge and constantly build, requirement to the deep water foundation construction also improves constantly, by initial caisson, open caisson foundation, develop into cylinder pile foundation, various combination foundation, arrive forms such as all kinds of pile foundations, bell basis, two cushion cap cylinder pile foundation, multicolumn basis, ground continuous wall base again, to adapt to the construction condition of numerous and complicated.Recent statistics shows, caisson, open caisson foundation are used very outstanding, and usually adopts the cofferdam method to carry out cushion cap and pier stud construction in high near, the shallow sea of the great rivers that The water is deep and the current fast or tidal bore wave.
Open caisson is the tubular construction thing of upper and lower opening, makes with concrete or steel concrete usually.The well sinking operation is loaded down with trivial details, and it is bigger influenced by geological condition, and material usage is big; Flow velocity is less, covering layer is thin, the gravel or the rock deep water riverbed of good water permeability and steel boxed cofferdam mainly is used in, basis in the embedding not dark water, but adopt the steel boxed cofferdam waste of material bigger for highrise pile cap.And the steel box is after the deep water pile foundation is finished, and with lifting appliance the assembly unit of steel box is suspended on the guide pile stake and pushes up then concrete back cover under the priming petock, and after-pouring cushion cap concrete draws water.The effect of box is exactly to have realized the dried place construction of cushion cap under water.The technological operation of steel box is simple, saves the duration, and material usage is also energy recycling rationally, and is technical feasible, and the steel box is used and obtained gradually promoting at present.But at present steel box base plate steel member can not reclaim, and the back cover concrete amount of building is bigger, and because simple by concrete binding, itself and as the adhesion stress poor controllability between the casing of supplemental support.Conventional steel box suspension rod is positioned at box inside, and suspension rod needs to cut off behind back cover, causes unnecessary waste.
(3) summary of the invention
The present invention provides a kind of single-arm steel hanging box in order to overcome the deficiency of above technology, and a kind of construction of this invention single-arm steel hanging box is provided simultaneously.
The present invention is by the following technical solutions:
Single-arm steel hanging box of the present invention, mainly comprise side plate and base plate, its latus inframedium mainly is made up of last joint and following joint, described base plate comprises panel, longitudinal and cross beam, wherein panel is layed on the longeron, and its side weld that is parallel to longeron is connected to equal leg angle, and both sides are welded with angle steel flange in addition, the corresponding nut that is welded with of this angle steel flange through hole downside, panel also has the hole that the supplemental support casing penetrates; Longeron is layed on the crossbeam, and crossbeam is located at the both sides, hole in twos, and its two ends are welded with anchor plate, and anchor plate respectively has a through hole corresponding to both sides inside and outside the described side plate.
Above-mentioned single-arm steel hanging box, described longeron layer is divided into four corresponding to the vertical line of symmetry and the vertical line of symmetry of described panel in described hole, and every an ancient unit of weight is that described longeron evenly is welded by angle steel, and this angle steel is welded in below the piecemeal.
Above-mentioned single-arm steel hanging box, described panel is divided into 6 corresponding to the vertical line of symmetry in described hole and the horizontal line of symmetry of panel or corresponding to the horizontal line of symmetry and the vertical line of symmetry of panel in described hole, and each interblock is connected to welding.
Above-mentioned single-arm steel hanging box, described crossbeam are two limb i iron, and two i iron weld together by described anchor plate and junction plate.
The base plate of single-arm steel hanging box of the present invention adopts three layer construction, and each layer be lay simply, does not establish to be fastenedly connected, have only panel layer and bottom concrete bonding becoming one fully, can't remove, other steel members are all dismountable, overcome the shortcoming that original steel box can't reclaim base plate steel member.The present invention welds equal leg angle arranging on the side panel of suspension rod, is used for and joint side plate snapping down, and easy for installation, angle steel flange is then welded on both sides in addition, adopts the stock screw rod to connect base plate, joint and go up and save down successively.Be welded with anchor plate on the crossbeam, anchor plate has through hole corresponding to both sides inside and outside the side plate, during assembly unit steel box, use its inboard sling point that leans on the through hole of four jiaos of steel boxes as interim suspension rod, after the steel box is transferred and put in place, enable outer side through hole as the suspension rod sling point, remove interim suspension rod then,, needn't cut off any one suspension rod with respect to original steel box, cost has been saved in the recyclable utilization of suspension rod.
Foregoing invention single-arm steel hanging box, base plate are divided into 6, are convenient to transportation and assembly unit, are welded into integral body after the assembly unit, and longeron also piecemeal is welded into a plurality of piecemeals, are convenient to transportation and assembly unit, can each piecemeal integral body hang oneself when removing simultaneously.Crossbeam of the present invention adopts two limb i iron, i.e. two i iron that i iron welds together by junction plate, and structural strength is big, and the suspension rod nut is installed in the gap between two i iron simultaneously, also levelling weighing apparatus suspension centre easily.
The present invention also provides a kind of construction of this single-arm steel hanging box, this method by the following technical solutions:
It specifically may further comprise the steps:
1) after pile foundation construction finishes, measure centre coordinate, aperture and verticality thereof as each casing of supplemental support, calculate the assembly unit position then and transfer to the concrete off normal of bit positions casing;
2) make floor board piecemeal and longeron piecemeal according to above-mentioned off normal and measurement numerical value, the perforate of base plate institute is greater than casing diameter 20cm;
3) casing is scrubbed, and emphasis is scrubbed bottom concrete and built the position;
4) base plate assembly unit, installation:
A. according to the casing measurement result, the assembly unit i iron is installed on casing;
B. lay crossbeam on the assembly unit i iron;
C. lay longeron piecemeal successively on crossbeam;
D. each piecemeal of lay panel on longeron welds each piecemeal then;
E. the side weld that is parallel to longeron at panel connects equal leg angle, in addition both sides welding angle steel flange;
5) hangar system is installed;
6) the joint side plate is installed down: the following nodal section plate of base plate equal leg angle side and base plate are by the equal leg angle snapping, both sides are saved side plate down by angle steel flange and base plate stock screw rod bolt in addition, the stock screw rod other end is reserved to connect the joint side plate, adopts the folder rubber tile to seal between each plate;
7) evenly weld pre-buried steel band more than 4 at hole periphery on the panel;
8) the interior side through hole at the crossbeam anchor plate of angle steel side is provided with 4 interim suspension rods;
9) after the steel box is transferred to joint assembly unit position earlier, fasten by above-mentioned stock screw rod and to connect each side plate of joint, the shutoff steel plate in casing and hole is installed then, all adopt between each plate and between shutoff steel plate and casing and press from both sides rubber tile and seal;
10) after steel box integral body is transferred and put in place, 8 propping steeves are installed, are removed interim suspension rod then by the outer side through hole of anchor plate;
11) build bottom concrete, treat that bottom concrete has 90% intensity after, the pre-buried steel tape welding is received on the casing, cut off the above casing of casing solder joint then;
12) bearing platform construction, health;
13) the steel box is removed:
A. remove and go up the joint side plate,, extract base plate beam in length and breadth out from top dismounting stock screw rod;
B. according to joint side plate under the snapping order of nodal section plate side plate is removed successively down.
Above-mentioned construction is directed to single-arm steel hanging box of the present invention specially, especially corresponding to original construction, this worker method is welded with pre-buried steel band around the supplemental support casing imports the hole into, this steel band is partly enclosed in the bottom concrete, on exposed portions serve welding and the casing, the whole intensity that increases bottom concrete in other words can enough thin concrete just can reach the intensity of original bottom concrete, has saved cost and construction volume.
(4) description of drawings
Fig. 1 is a single-arm steel hanging box plate elevational schematic view of the present invention.
Fig. 2 is a single-arm steel hanging box A-A enlarged diagram of the present invention.
Fig. 3 is partitioned organization schematic diagram of single-arm steel hanging box longeron layer of the present invention.
Fig. 4 is a single-arm steel hanging box bottom concrete back cover schematic diagram of the present invention.
Among the figure, 1, panel, 2, longeron, 3, crossbeam, 4, the hole, 5, equal leg angle, 6, angle steel flange, 7, junction plate, 8, anchor plate, 9, through hole, 10, angle steel, 11, pre-buried steel band.
(5) specific embodiment
Embodiment 1:
With reference to Figure of description 1,2 and 3, single-arm steel hanging box of the present invention mainly comprises side plate and base plate, and its latus inframedium mainly is made up of last joint and following joint.Described base plate comprises panel 1, longeron 2 and crossbeam 3, and wherein panel 1 is layed on the longeron 2, and its side weld that is parallel to longeron 2 is connected to equal leg angle 5, and this side is as the suspension rod side, and itself and the direct snapping of described joint down, adopts the folder rubber tile to seal between envelope.Panel 1 both sides in addition is welded with angle steel flange 6, the corresponding nut that is welded with of this angle steel flange through hole downside, and this side adopts angle steel flange folder rubber tile to be connected with following nodal section plate.Spiro keyhole position and side plate pressure when panel 1 utilization is connected with side plate fix.Panel also has the hole 4 that this supplemental support casing penetrates according to supplemental support casing size.Longeron 2 is layed on the crossbeam 3, crossbeam is located at 4 both sides, hole in twos, and its two ends are welded with anchor plate 8, anchor plate respectively has a through hole 9 corresponding to both sides inside and outside the described side plate, the place is hung as the interim suspension rod of mode under the steel box in wherein inboard hole near four jiaos of panels, and apertura lateralis is transferred the back propping steeve that puts in place as the steel box and hung the place.
Above-mentioned single-arm steel hanging box, 2 layers of vertical line of symmetry and described panel 1 vertical line of symmetry corresponding to described hole 4 of described longeron are divided into four, every an ancient unit of weight is that described longeron 2 evenly is welded by angle steel 10, and this angle steel is welded in below the piecemeal, can not hinder the planeness of panel lay like this.The panel piecemeal is made simultaneously, is convenient to transportation and assembly unit, and each interblock is not established and is fastenedly connected, so that dismounting.Described panel 1 is divided into 6 corresponding to the vertical line of symmetry in described hole 4 and the horizontal line of symmetry of panel or corresponding to the horizontal line of symmetry and the vertical line of symmetry of panel in described hole 4, each interblock is connected to welding, also be for the ease of transportation and assembly unit, assembly unit finishes directly that each piecemeal is integrally welded, panel and bottom concrete finally are bonded to one, and no longer reclaim.
Above-mentioned single-arm steel hanging box, described crossbeam 3 are two limb i iron, and just two i iron weld together the steel member by described anchor plate 8 and junction plate 7, and structural strength is big like this, is convenient to the selection of suspension rod sling point simultaneously.
In conjunction with the construction of Figure of description 4 explanations steel box of the present invention, it may further comprise the steps again:
1) after pile foundation construction finishes, measure centre coordinate, aperture and verticality thereof as each casing of supplemental support, calculate the assembly unit position then and transfer to the concrete off normal of bit positions casing.
2) according to above-mentioned off normal and measure numerical value and make floor board 1 piecemeal and longeron 2 piecemeals, base plate institute perforate 4 is greater than casing diameter 20cm, prevents from like this that the steel box from transferring in the process to conflict with the casing collision.
3) casing is scrubbed, especially will be built the position and brush, to guarantee the bond effect between bottom concrete and the casing as emphasis to bottom concrete.
4) base plate assembly unit, installation:
A. according to the casing measurement result, the assembly unit i iron is installed on casing;
B. lay crossbeam 3 on the assembly unit i iron;
C. lay longeron 2 piecemeals successively on crossbeam 3;
D. lay panel 1 each piecemeal on longeron welds then and respectively is blocked into an integral panels;
E. the side weld that is parallel to longeron 2 at panel connects equal leg angle 5, in addition both sides welding angle steel flange 6;
5) hangar system is installed.
6) the joint side plate is installed down: the following nodal section plate of base plate equal leg angle 5 sides and base plate are by the equal leg angle snapping, other both sides are saved side plate down by angle steel flange 6 and base plate stock screw rod bolt, the stock screw rod other end is reserved to connect the joint side plate, adopts the folder rubber tile to seal between each plate.Adopt the stock screw rod to be convenient to remove from above, exempt underwater operation, side plate goes out outside the dash effect, also base plate is played position-limiting action.
7) hole 4 peripheries evenly weld 4 pre-buried steel bands 11 on panel.
8) the interior side through hole 9 at the crossbeam anchor plate 8 of angle steel 6 sides is provided with 4 interim suspension rods, the interim erecting by overhang of steel box during as assembly unit.
9) after the steel box is transferred to joint assembly unit position earlier, fasten by above-mentioned stock screw rod and to connect each side plate of joint, the shutoff steel plate in casing and hole 4 is installed then, all adopt between each plate and between shutoff steel plate and casing and press from both sides rubber tile and seal.To check steel box integral assembling quality and shutoff plate situation after finishing this step comprehensively.
10) after steel box integral body is transferred and put in place, 8 propping steeves are installed, are removed interim suspension rod then by the outer side through hole of anchor plate;
11) build bottom concrete, treat that bottom concrete has 90% intensity after, pre-buried steel band (11) is welded on the casing, cut off the above casing of casing solder joint then, suspension rod is fixed on down on the brace summer of joint box side plate cross rib, guarantee the resistance to overturning of statue.
12) bearing platform construction, health;
13) the steel box is removed:
A. after the anticorrosion grade of cushion cap being finished, remove earlier and go up the joint side plate,, extract base plate beam in length and breadth out from top dismounting stock screw rod;
B. according to joint side plate under the snapping order of nodal section plate side plate is removed successively down.
Claims (5)
1. single-arm steel hanging box, mainly comprise side plate and base plate, its latus inframedium mainly is made up of last joint and following joint, it is characterized in that: described base plate comprises panel (1), longeron (2) and crossbeam (3), wherein panel (1) is layed on the longeron (2), and its side weld that is parallel to longeron (2) is connected to equal leg angle (5), and both sides are welded with angle steel flange (6) in addition, the corresponding nut that is welded with of this angle steel flange through hole downside, panel also has the hole (4) that the supplemental support casing penetrates; Longeron (2) is layed on the crossbeam (3), and crossbeam is located at both sides, hole (4) in twos, and its two ends are welded with anchor plate (8), and anchor plate respectively has a through hole (9) corresponding to both sides inside and outside the described side plate.
2. single-arm steel hanging box according to claim 1, it is characterized in that: described longeron (2) layer is divided into four corresponding to the vertical line of symmetry and the vertical line of symmetry of described panel (1) of described hole (4), every is described longeron (2) and evenly is welded by angle steel (10), and this angle steel is welded in below the piecemeal.
3. single-arm steel hanging box according to claim 2, it is characterized in that: described panel (1) is divided into 6 corresponding to the vertical line of symmetry of described hole (4) and the horizontal line of symmetry of panel or corresponding to the horizontal line of symmetry and the vertical line of symmetry of panel of described hole (4), and each interblock is connected to welding.
4. single-arm steel hanging box according to claim 1 is characterized in that: described crossbeam (3) is two limb i iron, and two i iron weld together by described anchor plate (8) and junction plate (7).
5. the construction of the described single-arm steel hanging box of claim 1 is characterized in that: comprise following construction sequence:
1) after pile foundation construction finishes, measure centre coordinate, aperture and verticality thereof as each casing of supplemental support, calculate the assembly unit position then and transfer to the concrete off normal of bit positions casing;
2) make floor board (1) piecemeal and longeron (2) piecemeal according to above-mentioned off normal and measurement numerical value, base plate perforate (4) is greater than casing diameter 20cm;
3) casing is scrubbed, and emphasis is scrubbed bottom concrete and built the position;
4) base plate assembly unit, installation:
A. according to the casing measurement result, the assembly unit i iron is installed on casing;
B. lay crossbeam (3) on the assembly unit i iron;
C. lay longeron (2) piecemeal successively on crossbeam (3);
D. each piecemeal of lay panel (1) on longeron welds each piecemeal then;
E. the side weld that is parallel to longeron (2) at panel connects equal leg angle (5), in addition both sides welding angle steel flange (6);
5) hangar system is installed;
6) the joint side plate is installed down: the following nodal section plate of base plate equal leg angle (5) side and base plate are by the equal leg angle snapping, other both sides are saved side plate down by angle steel flange (6) and base plate stock screw rod bolt, the stock screw rod other end is reserved to connect the joint side plate, adopts the folder rubber tile to seal between each plate;
7) evenly weld pre-buried steel band (11) more than 4 at hole on the panel (4) periphery;
8) the interior side through hole (9) at the crossbeam anchor plate (8) of angle steel (6) side is provided with 4 interim suspension rods;
9) after the steel box is transferred to joint assembly unit position earlier, fasten by above-mentioned stock screw rod and to connect each side plate of joint, the shutoff steel plate in casing and hole (4) is installed then, all adopt between each plate and between shutoff steel plate and casing and press from both sides rubber tile and seal;
10) after steel box integral body is transferred and put in place, 8 propping steeves are installed, are removed interim suspension rod then by the outer side through hole of anchor plate;
11) build bottom concrete under water, treat that bottom concrete has 90% intensity after, extract the water in the casing out, pre-buried steel band (11) is welded on the casing, cut off the above casing of casing solder joint then;
12) bearing platform construction, health;
13) the steel box is removed:
A. remove and go up the joint side plate,, extract base plate beam in length and breadth out from top dismounting stock screw rod;
B. according to joint side plate under the snapping order of nodal section plate side plate is removed successively down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100139466A CN100501014C (en) | 2008-01-22 | 2008-01-22 | Single-arm steel hanging box and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100139466A CN100501014C (en) | 2008-01-22 | 2008-01-22 | Single-arm steel hanging box and construction method thereof |
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| CN101240549A true CN101240549A (en) | 2008-08-13 |
| CN100501014C CN100501014C (en) | 2009-06-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871197A (en) * | 2010-06-17 | 2010-10-27 | 中交二航局第三工程有限公司 | Construction method for plugging air gap between bottom hole of pier steel suspension box and foundation pile |
| CN101886395A (en) * | 2010-06-22 | 2010-11-17 | 中交武汉港湾工程设计研究院有限公司 | Full-detachable-type single-wall steel hanging box |
| CN101936009A (en) * | 2010-09-15 | 2011-01-05 | 中建二局土木工程有限公司 | Deep-water single-wall steel hanging box cofferdam and construction method thereof |
| CN103452126A (en) * | 2013-08-22 | 2013-12-18 | 中交二航局第四工程有限公司 | Light combined hanging box with recyclable baseplate steels and construction technology thereof |
| CN104631464A (en) * | 2015-01-21 | 2015-05-20 | 上海市基础工程集团有限公司 | Construction method for blocking up between bridge high-pile cap underwater steel jacket box bottom and steel casing |
| CN108316332A (en) * | 2018-05-03 | 2018-07-24 | 中交公局厦门工程有限公司 | A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely |
| CN109295982A (en) * | 2018-11-15 | 2019-02-01 | 中国二十二冶集团有限公司 | The construction method of binder steel jacket box in water |
-
2008
- 2008-01-22 CN CNB2008100139466A patent/CN100501014C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871197A (en) * | 2010-06-17 | 2010-10-27 | 中交二航局第三工程有限公司 | Construction method for plugging air gap between bottom hole of pier steel suspension box and foundation pile |
| CN101886395A (en) * | 2010-06-22 | 2010-11-17 | 中交武汉港湾工程设计研究院有限公司 | Full-detachable-type single-wall steel hanging box |
| CN101886395B (en) * | 2010-06-22 | 2012-02-29 | 中交武汉港湾工程设计研究院有限公司 | Full-detachable-type single-wall steel hanging box |
| CN101936009A (en) * | 2010-09-15 | 2011-01-05 | 中建二局土木工程有限公司 | Deep-water single-wall steel hanging box cofferdam and construction method thereof |
| CN103452126A (en) * | 2013-08-22 | 2013-12-18 | 中交二航局第四工程有限公司 | Light combined hanging box with recyclable baseplate steels and construction technology thereof |
| CN104631464A (en) * | 2015-01-21 | 2015-05-20 | 上海市基础工程集团有限公司 | Construction method for blocking up between bridge high-pile cap underwater steel jacket box bottom and steel casing |
| CN108316332A (en) * | 2018-05-03 | 2018-07-24 | 中交公局厦门工程有限公司 | A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely |
| CN108316332B (en) * | 2018-05-03 | 2024-04-26 | 中交一公局厦门工程有限公司 | Sectional steel bottom plate is assembled to but complicated sea state steel hanging box complete recovery's piecemeal tongue-and-groove |
| CN109295982A (en) * | 2018-11-15 | 2019-02-01 | 中国二十二冶集团有限公司 | The construction method of binder steel jacket box in water |
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|---|---|
| CN100501014C (en) | 2009-06-17 |
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Effective date of registration: 20181212 Address after: 250200 Lijiabu intersection, Jiwang Road, Zhangqiu City, Jinan City, Shandong Province Patentee after: Shandong Luqiao Construction Co., Ltd. Address before: 250021 No. 289 Jingsan Road, Huaiyin District, Jinan City, Shandong Province Patentee before: Shandong Railway Road & Bridge Group Co., Ltd. |
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Address after: Floor 20-21, 14677 Jingshi Road, Lixia District, Jinan City, Shandong Province Patentee after: Shandong high speed Engineering Construction Group Co.,Ltd. Address before: 250200 Lijiabu intersection, Jiwang Road, Zhangqiu City, Jinan City, Shandong Province Patentee before: SHANDONG LUQIAO CONSTRUCTION Co.,Ltd. |
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