CN110528459A - A kind of beam type bed die of caisson wharf cast-in-situ creast wall - Google Patents
A kind of beam type bed die of caisson wharf cast-in-situ creast wall Download PDFInfo
- Publication number
- CN110528459A CN110528459A CN201910860854.XA CN201910860854A CN110528459A CN 110528459 A CN110528459 A CN 110528459A CN 201910860854 A CN201910860854 A CN 201910860854A CN 110528459 A CN110528459 A CN 110528459A
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- Prior art keywords
- bed die
- steel plate
- caisson
- cast
- girder
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 230000000694 effects Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000010410 layer Substances 0.000 description 22
- 238000009415 formwork Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/066—Quays
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
Abstract
A kind of beam type bed die of caisson wharf cast-in-situ creast wall, bed die girder including being set to caisson side, end template is laid on the bed die girder, the end template includes the bottom steel plate being fixed on the bed die girder, and the top layer steel plate in the bottom steel plate, it is equipped with multiple pads between the top layer steel plate and the bottom steel plate, paves the top layer steel plate to form arching upward with camber.The deflection that large span bed die girder is eliminated by setting camber, makes entire beam type bed die be influenced small, durability high reliablity by tidewater.
Description
Technical field
The present invention relates to brick or concrete duct fields, more particularly to a kind of beam type bed die of caisson wharf cast-in-situ creast wall.
Background technique
In Wharf Construction, because gravity type quay has both dock structure and soil-baffling structure dual function, it is used widely,
With long usage history.Using box structure or caisset as mainstream in Gravity harf structure, present invention is generally directed to
Caisset.
Breastwork is the superstructure of Gravity Caisson Wharf, and caisson wall top and breastwork lower part are normally at fluctuation of water table area
In range, end template laying, reinforcing bar binding, side template installation and concreting of cast-in-situ creast wall etc. generally require pursuing-tide work
Industry.Breastwork upstream face generally protrudes 30~50cm outward than caisson meets water metope, and breastwork bottom is lower than caisson top about 30cm.It is existing
When pouring breastwork, protrusion part needs to be laid with cast-in-place end template, and the traditional way of the end template is in caisson front wall outside top one
It calibrates the pre-buried row bench-type nut formwork bolt in high position or a reserved row installs formwork bolt preformed hole, pitch of bolts 1
~2m.Then triangle steel bracket is installed using the bolt, is laid with bed die distribution beam and bottom plate on triangle steel bracket.Due to big
Span Beam can generate amount of deflection under load, influence the laying of end template.
Secondly, caisson placing plan-position and absolute altitude have deviation, each caisson upstream face is adjacent heavy not on the same face
The case metope that meets water has front and back and grinds one's teeth, and causes between caisson metope and end template to be changed when surge is patted there are gap.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of caisson wharf cast-in-situ creast wall that can eliminate deflection
Beam type bed die.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of beam type bed die of caisson wharf cast-in-situ creast wall, the bed die girder including being set to caisson side, the bed die
End template is laid on girder, the end template includes the bottom steel plate being fixed on the bed die girder, and is located at the bottom
Top layer steel plate on steel plate is equipped with multiple pads, by the top layer steel plate between the top layer steel plate and the bottom steel plate
It paves to form arching upward with camber.
Further, the gasket is arranged along the length direction of the bed die girder, the middle line relative to the bed die girder
It is symmetrical arranged.
Further, spaced set between the two neighboring gasket.
Further, the length and width of the gasket is equal, and the thickness of the gasket is from bed die girder length side
To middle part be gradually reduced to two sides.
Further, the span centre of the bed die girder calculates deflection value and the gasket for being located at bed die girder middle
Thickness is equal.
Further, the bottom steel plate or/and the top layer steel plate with a thickness of 5~8mm.
Further, workbench steel plate is also equipped on the bed die girder, the workbench steel plate is located at the bottom
Between template and the bed die girder, and extend to outside the end template.
Further, the top layer steel plate piecemeal setting, is fixed by bolts in the bottom steel plate.
Further, the length direction activity of top layer steel plate bed die girder described in fixed cutting edge, and be tightly attached to described
Caisson metope.
Further, the both ends of the bed die girder are equipped with sunpender, and the sunpender is suspended in midair by cantilever beam, the cantilever beam installation
In in adjacent caisson wall top or having poured in breastwork wall top.
Beneficial effects of the present invention:
End template includes bottom steel plate and top layer steel plate, and multiple pads are equipped between top layer steel plate and bottom steel plate, will
Top layer steel plate paves to form arching upward with camber, and the amount of deflection shadow of large span bed die girder is eliminated by setting camber
It rings, entire beam type bed die is made to be influenced small, durability high reliablity by tidewater.
Detailed description of the invention
Fig. 1 is that the beam type bed die of caisson wharf cast-in-situ creast wall of the present invention is installed on the cross-sectional view of caisson；
Fig. 2 is the front view of beam type bed die in Fig. 1；
Fig. 3 is the side view of end template in Fig. 2；
Fig. 4 is the partial enlarged view in Fig. 3；
In figure, 1-bed die girder, 2-end templates, 3-workbench steel plates, 4-sunpenders, 5-cantilever beams, 6-anchor poles,
7-bearing beams, 8-caisson front walls, 9-caisson internal partition walls, 10-intend pouring breastwork, 11-bottom steel plates, 12-gaskets, 13-tops
Layer steel plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
Such as Fig. 1 and Fig. 2, the present invention provides a kind of beam type bed die of caisson wharf cast-in-situ creast wall, is used for caisset harbour
The producer of cast-in-situ creast wall.Caisset harbour cast-in-situ creast wall, which is generally on a caisson, sets one section of breastwork.Cast-in-situ creast wall construction
Frequently with the jump section construction method of odd number section after even number section after first odd number section or first even number section.Cast-in-place bed die uses single beam monoblock type
Beam type bed die, beam type bed die includes the bed die girder 1 for being set to caisson side, end template 2 is laid on bed die girder 1, because making
Industry needs workbench, therefore workbench steel plate 3 is also equipped on bed die girder 1, workbench steel plate 3 be located at end template 2 with
It between bed die girder 1, and extends to outside end template 2, extends to the part outside end template 2 as workbench.Bed die girder 1
Both ends are equipped with sunpender 4, and sunpender 4 is suspended in midair by cantilever beam 5, and cantilever beam 5 is installed in adjacent caisson wall top or has poured breastwork wall top
On.
Such as Fig. 2 to Fig. 4, end template 2 includes the bottom steel plate 11 being fixed on bed die girder 1, and is located at bottom steel plate 11
On top layer steel plate 13, between top layer steel plate 13 and bottom steel plate 11 be equipped with multiple pads 12, top layer steel plate 13 is paved into shape
At arching upward with camber.1 load of bed die girder include the self weight of breastwork cantilever part newly-laid concrete, on front side of breastwork template from
Weight, end template self weight, bed die girder self weight and other construction loads, therefore bed die girder 1 design when be substantially carried out intensity and just
Degree checking computations, calculate deflection value.Since the bed die girder 1 of large span generates amount of deflection under load, by the top layer steel plate of end template 2
13 pave to form arching upward with camber, can eliminate the influence of amount of deflection.
End template 2 is laid on bed die girder 1, and gasket 12 is arranged along the length direction of bed die girder 1, and relative to bed die
The middle line of girder 1 is symmetrical arranged.Spaced set between two neighboring gasket 12, the length and width of gasket 12 are equal, and
The middle part of the thickness of gasket 12 from 1 length direction of bed die girder is gradually reduced to two sides, i.e. the gasket 12 at 1 middle part of bed die girder is thick
Degree is maximum, and 12 thickness of gasket of 1 two sides of bed die girder is minimum.The span centre (middle) of bed die girder 1 calculates deflection value and position
12 thickness of gasket in 1 middle of bed die girder is equal, therefore the camber by being formed, and can offset the influence of amount of deflection.In
In the present embodiment, bottom steel plate 11 or/and top layer steel plate 13 with a thickness of 5~8mm.
The length of bed die girder 1 is the sum of the distance of corresponding caisson length caisson side wall adjacent with two lateral extents.In this reality
It applies in example, the length of current common Large Caisson has 19.5m or so or even longer, therefore 1 span of bed die girder is larger, adopts
With the reinforced Bailey beam of " 321 " type, double single layer arrangement, array pitch 45cm.Workbench width is considered, using three row's single layer shellfish thunders
Beam arrangement.Using the colored window connection of 1.35m wide, the bed die of overall width 1.35m is formed, job requirements are able to satisfy.According to calculating, bed die
The mid-span deflection value of girder 1 is 20mm, then 1 middle of bed die girder uses with a thickness of 20mm, length 500mm, and width is
The steel plate of 100mm is as gasket 12, and gasket 12 is arranged along 1 width direction of bed die girder, so that top layer steel plate 13 is paved 20mm.
Then spacing 1000mm is pressed along the length direction of bed die girder 1, uses length for 500mm, width 100mm, thickness is followed successively by
The steel plate of 18mm, 16mm, 14mm, 12mm, 10mm, 8mm, 6mm, 4mm, 2mm pave top layer steel plate 13 as gasket 12, are formed
It arches upward, meets the deflection value of bed die girder 1 everywhere, to eliminate the influence of amount of deflection.
Caisson placing plan-position and absolute altitude have deviation, and each caisson upstream face not on the same face, meet by adjacent caisson
Waterwall face has front and back and grinds one's teeth.In order to make end template 2 adapt to the faulting of slab ends of various sizes, caisson upstream face can be close to always, avoided
It has the gap, spillage when causing casting concrete, the top layer steel plate 13 of end template 2 is arranged using piecemeal, and can be along bed die girder 1
Length direction fore-aft travel.After 2 integral installation of end template is good, by movable 13 steel plates of top layer toward leaning on 8 face of caisson front wall, it is close to
Caisson metope prevented big gap, and top layer steel plate 13 is fixed by bolt and bottom steel plate 11, prevents from surging and pat out
Now change.
Such as Fig. 1, in the present embodiment, the sunpender 4 at 1 both ends of bed die girder is screw rod, screw rod 10~20cm of adjustment length, spiral shell
The end of bar is fixed by nut, by adjusting nut or screw rod, to adjust the absolute altitude of end template 2, to adapt to the height of caisson.
Cantilever beam 5 is equipped with anchor pole 6 far from one end of sunpender 4, and the bottom of anchor pole 6 is embedded in caisson wall top in advance in Precast Caisson, anchor pole 6
Top within the scope of the quasi- package for pouring breastwork 10, therefore after breast wall pouring, the top of anchor pole 6 has been poured breastwork package, because
Leakage ironware will not be generated after this breast wall pouring.5 front fulcrum of cantilever beam is arranged in adjacent 8 wall top of caisson front wall, cantilever beam 5
The anchor pole at rear is arranged at caisson internal partition wall 9 and side wall node, is padded cantilever beam 5 using bearing beam 7 at front fulcrum and rear anchor point
High 10~20cm, to disperse fulcrum stress.
Compared with prior art, the invention has the following advantages that
(1) beam type bed die uses monoblock type, includes bed die girder 1, end template 2 and workbench steel plate 3, realizes whole
Installation and remove, influenced by tidewater it is small, it is convenient and efficient.
(2) by the way that multiple pads 12 are arranged between top layer steel plate 13 and bottom steel plate 11, top layer steel plate 13 is paved into shape
At arching upward with camber, to eliminate the deflection of large span bed die girder 1, influence entire beam type bed die by tidewater
It is small, durability high reliablity.
(3) bed die girder 1 uses large span Bailey beam, and intensity is high, can be used in turn, lossless；Progress is fast, saves people
Work improves quality, and overall cost performance is high, easy to spread.
(4) beam type bed die 1 is suspended in midair by screw rod, can quick and precisely adjust bed die absolute altitude, entire bed die system assembly and disassembly, effect
Height is saved artificial.
(5) both ends of bed die girder 1 are suspended to cantilever beam 5 by sunpender 4, and it is adjacent heavy that cantilever beam 5 is installed on by anchor pole 6
In case wall top or it is adjacent poured in breastwork wall top, therefore in Precast Caisson, without the pre-buried formwork bolt on caisson wall
Or formwork hole.There is no exposed formwork bolts or formwork bolt hole to block repairing matter in caisson thin-wall side fluctuation of water table area
Hidden danger is measured, caisson durability reliability is high, long service life, has long-range Social benefit and economic benefit.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, it will be appreciated by those skilled in the art that technical solution of the present invention can be modified or be waited
With replacement, without departing from the objective and range of the technical program, should all cover in scope of the presently claimed invention.
Claims (10)
1. a kind of beam type bed die of caisson wharf cast-in-situ creast wall characterized by comprising be set to the bed die master of caisson side
Beam is laid with end template on the bed die girder, and the end template includes the bottom steel plate being fixed on the bed die girder and position
Multiple pads are equipped between the top layer steel plate in the bottom steel plate, the top layer steel plate and the bottom steel plate, by institute
Top layer steel plate is stated to pave to form arching upward with camber.
2. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 1, it is characterised in that: the gasket is described in
The length direction of bed die girder is arranged, and the middle line relative to the bed die girder is symmetrical arranged.
3. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 2, it is characterised in that: the two neighboring pad
Spaced set between piece.
4. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 2, it is characterised in that: the length of the gasket
It is equal with width, the middle part of thickness from the bed die girder length direction of the gasket is gradually reduced to two sides.
5. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 4, it is characterised in that: the bed die girder
It is equal with the spacer thickness of bed die girder middle is located at that span centre calculates deflection value.
6. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 1, it is characterised in that: the bottom steel plate
Or/and the top layer steel plate with a thickness of 5~8mm.
7. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 1, it is characterised in that: on the bed die girder
It is also equipped with workbench steel plate, the workbench steel plate extends between the end template and the bed die girder
Outside to the end template.
8. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 1, it is characterised in that: the top layer steel plate point
Block setting, is fixed by bolts in the bottom steel plate.
9. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 7, it is characterised in that: the top layer steel plate exists
The length direction activity of bed die girder described in fixed cutting edge, and it is tightly attached to the caisson metope.
10. the beam type bed die of caisson wharf cast-in-situ creast wall according to claim 1, it is characterised in that: the bed die girder
Both ends be equipped with sunpender, the sunpender suspends in midair by cantilever beam, and the cantilever beam is installed in adjacent caisson wall top or has poured chest
In wall wall top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860854.XA CN110528459A (en) | 2019-09-11 | 2019-09-11 | A kind of beam type bed die of caisson wharf cast-in-situ creast wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860854.XA CN110528459A (en) | 2019-09-11 | 2019-09-11 | A kind of beam type bed die of caisson wharf cast-in-situ creast wall |
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| Publication Number | Publication Date |
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| CN110528459A true CN110528459A (en) | 2019-12-03 |
Family
ID=68668275
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860854.XA Pending CN110528459A (en) | 2019-09-11 | 2019-09-11 | A kind of beam type bed die of caisson wharf cast-in-situ creast wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691449A (en) * | 2020-06-17 | 2020-09-22 | 无锡市航道工程有限公司 | Steel bar method construction process for high-pile frame wharf bottom beam lattice |
| CN113482212A (en) * | 2021-06-21 | 2021-10-08 | 五冶集团上海有限公司 | Construction method for improving structural slab surface flatness of prestressed precast beam |
| CN113605303A (en) * | 2021-07-19 | 2021-11-05 | 江苏筑港建设集团有限公司 | Energy-saving and environment-friendly beam type bottom formwork construction method of cast-in-place breast wall |
| CN113957919A (en) * | 2021-11-20 | 2022-01-21 | 中铁广州工程局集团有限公司 | Gravity type round caisson concrete breast wall bottom die supporting system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691449A (en) * | 2020-06-17 | 2020-09-22 | 无锡市航道工程有限公司 | Steel bar method construction process for high-pile frame wharf bottom beam lattice |
| CN113482212A (en) * | 2021-06-21 | 2021-10-08 | 五冶集团上海有限公司 | Construction method for improving structural slab surface flatness of prestressed precast beam |
| CN113605303A (en) * | 2021-07-19 | 2021-11-05 | 江苏筑港建设集团有限公司 | Energy-saving and environment-friendly beam type bottom formwork construction method of cast-in-place breast wall |
| CN113605303B (en) * | 2021-07-19 | 2022-11-01 | 江苏筑港建设集团有限公司 | Energy-saving and environment-friendly beam type bottom formwork construction method of cast-in-place breast wall |
| CN113957919A (en) * | 2021-11-20 | 2022-01-21 | 中铁广州工程局集团有限公司 | Gravity type round caisson concrete breast wall bottom die supporting system |
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