CN204039898U - Can be used for the suspension trestle waterborne of pumping of concrete - Google Patents
Can be used for the suspension trestle waterborne of pumping of concrete Download PDFInfo
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- CN204039898U CN204039898U CN201420381855.9U CN201420381855U CN204039898U CN 204039898 U CN204039898 U CN 204039898U CN 201420381855 U CN201420381855 U CN 201420381855U CN 204039898 U CN204039898 U CN 204039898U
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- trestle
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Abstract
The utility model discloses a kind of suspension trestle waterborne that can be used for pumping of concrete, belong to field of bridge construction, suspension trestle waterborne comprises the shellfish thunder trestle of navigable both sides, connects the suspension trestle of both sides shellfish thunder trestle across navigable, and along the concrete pump pipe that described suspension trestle is installed.Construction method, is made up of following steps successively: construction tower column structure and earth anchor, installs cable saddle; The layout of main push-towing rope, cord clip and adjustable suspension rod is installed and main push-towing rope transport; Complete main cable erection and alignment control; Installation mark time flitch and steel wire veil, adjust linear; Concrete pump pipe is installed: the utility model for the waterway classification that clear span of opening the navigation or air flight is not less than 80m be more than III level the construction across river, Oversea bridge.The utility model be a kind of ensure that structure is reliable, at the bottom of economy, cost, structure construction is fast easy, the restriction of navigation grade can be overcome, can be used for the suspension trestle waterborne of pumping of concrete.
Description
Technical field
The utility model belongs to field of bridge construction, is applicable in navigable waters, the bridge cast-in-place construction particularly when higher grade of opening the navigation or air flight.
Background technology
The equipment (or temporary structure) that traditional construction adopts:
Due to the impact of be subject to opening the navigation or air flight clear span and clear height, particularly for barge more than 1000t, waterway classification be more than III level across river, Oversea bridge, require that navigation clear span is not less than 80m, at present, the cast-in-place construction of bridge concrete adopts three kinds of modes to carry out:
The first is disconnected the trestle section of navigation, completes respective Concrete, stirring and pumping respectively, be characterized in: the project construction of two sides does not interfere with each other by the mode setting up concrete mixing plant in the two sides of bridge yet to be built.
The second is disconnected the trestle section of navigation, sets up concrete mixing plant by the bank, side at bridge yet to be built, then to be detoured to opposite bank or complete concrete-agitating needed for the bridge construction of side, opposite bank and pumping by the mode of mixer ship by truck-transit mixer.Be characterized in: can construction plant be saved, save a set of Concrete and mixing plant simultaneously.
The third is then for junior bridge of opening the navigation or air flight under bridge (navigation clear span is at below 45m), the form of boist truss can realize the through of section trestle of opening the navigation or air flight by arranging, thus the form can being set up concrete mixing plant by the bank, side only at bridge yet to be built completes concrete transport and the pumping of both sides.
The limitation of traditional construction:
Due to the impact of being opened the navigation or air flight, above-mentioned the first and first scheme is adopted then to need traditional construction bridge to disconnect, thus in work progress, easily cause the harmony of construction poor, wherein the first scheme then needs treating that the two sides of bridge construction are configured for concrete preparation respectively, the place of stirring, construction plant takies more, for concrete prefabricated stirring and pumping equipment, and increase the corresponding equipment funds input that increases of a set of equipment needs, too increase a set of operation and management teams and groups simultaneously, these are for today of labour cost and machinery expenses costliness, input amount is sizable.
Although first scheme can save space, it needs larger concrete transportation stroke, the freight charges dropped into are many, the loss of concrete placement vehicle (barge) is comparatively large, and transport probably causes concrete difficult quality guarantee for a long time, even likely incurs loss through delay construction speed.
The third schemes synthesis advantage of first two scheme, both save construction plant and in turn save a set of Concrete and mixing plant, but the span ability of the program is little, boist truss be no more than 50m across footpath, and across footpath more than after 30m, deadweight is comparatively large, the less stable of truss member, and its feasibility is easily subject to waterway classification particularly for the impact across river, main channel bridge over strait.
Utility model content
The purpose of this utility model is: propose a kind of to ensure that structure is reliable, at the bottom of economy, cost, structure construction is fast easy, can overcome the restriction of navigation grade, can be used for the suspension trestle waterborne of pumping of concrete.
The utility model object is realized by following technical proposals:
A kind of suspension trestle waterborne that can be used for pumping of concrete, comprise the shellfish thunder trestle of navigable both sides, the suspension trestle of both sides shellfish thunder trestle is connected across navigable, described suspension trestle is by two tower column structures relying on described shellfish thunder trestle to arrange, rely on two groups of earth anchors that the ground on the bank outside described shellfish thunder trestle is arranged, be located at two groups of cable saddles on described tower column structure top, connect two groups of earth anchors and two main push-towing ropes supported by described cable saddle, some adjustable suspension rods distributed along described main push-towing rope and connect the transverse distribution beam of corresponding adjustable suspension rod on two main push-towing ropes, and set up each transverse distribution beam of connection successively until connect bridge deck five the part composition of described two tower column structures along described main push-towing rope.
As selection, described bridge deck is the level of state and higher than described shellfish thunder trestle bridge floor.
As selection, suspension trestle waterborne also comprises the concrete pump pipe installed along described suspension trestle.
As further selection, described concrete pump pipe is installed along bridge deck.
As selection, described bridge deck by the flitch of marking time connecting transverse distribution beam, and is located at the steel wire veil composition of marking time on flitch.
As selection, described tower column structure comprises the vertical steel pipe that two supports described shellfish thunder trestle is arranged, and connects the steel stull of two vertical steel pipes.
As further selection, described steel stull, the wherein double transverse distribution beam doing described bridge deck termination of a steel stull, the double crossbeam doing described shellfish thunder trestle termination of another steel stull.
As selection, described adjustable suspension rod is connected and composed through adjuster by two sections of suspension rods, and its epimere suspension rod top is connected with described main push-towing rope through cord clip, connects described transverse distribution beam between two hypomere suspension rod bottoms corresponding on two main push-towing ropes.
As further selection, described adjuster is by two steel plates be detachably located on two sections of relative terminations of suspension rod, and the adjusting bolt connecting two steel plates is formed.
As selection, described earth anchor position is provided with the compensation linkage of adjustment main push-towing rope.
The main scheme of aforementioned the utility model and each further selection scheme thereof can independent assortment to form multiple scheme; be the utility model can adopt and claimed scheme: as the utility model; each selection can select any combination with other; those skilled in the art can understand there is multiple combination according to prior art and common practise after understanding the utility model scheme; be the claimed technical scheme of the utility model, do not do exhaustive at this.
The feature of the utility model scheme is:
1) restriction of navigation grade can be overcome.Make full use of the span ability of suspension bridge, effectively overcome the problem that through trestle can not cross over the higher main channel of waterway classification.
2) at the bottom of dead load light, economy, cost, this structure have employed suspended-cable structure the lightest and the handiest in bridge construction, the tensile property of Materials with High Strength can be made full use of, can accomplish from heavy and light, span ability is strong, and ensureing under the minimum span that navigation requires, utilize this form of structure can realize disposablely putting cable stretching, overcome traditional suspension bridge construction complex process, shortcoming that construction risk is high, therefore this structure is adopted can to reduce the input of material, can programming be shortened again, thus have good economy.
3) structure construction is easy, and because dead load is light, main push-towing rope can realize installing by the mode of the jack stretch-draw at earth anchor place, two ends, and except main push-towing rope, the weight of single component is no more than 80kg, can realize the mounting or dismounting of structure without the need to Large-scale Hoisting equipment.
4) structure stress is reliable, maximally utilise the supporting capacity of current material: the working load of suspension trestle waterborne passes to ground anchor structure eventually through main push-towing rope, due to structure relative span suspension bridge, the horizontal force passing to earth anchor is little, if there is operation platform in earth anchor position, be then directly used as earth anchor after operation platform can being carried out consolidation process.Main push-towing rope can adopt galvanized steel independent wire strand core wire rope, suspension rod can adopt fining twisted steel, and for marking time component, because its span is very little, but also be fixed with steel wire veil, tensile strength and shear strength only can be adopted to meet the flitch from heavy and light of requirement for bearing capacity just passable, so just can reduce the load passing to main push-towing rope further, thus maximally utilise the intensity of material.
5) construction method is simple and reliable and efficient: conventional suspension bridge is because span is large, main push-towing rope is very heavy, alignment control is very loaded down with trivial details, construction method has two kinds (aerial spin processes and parallel cable strand methods), but all very complicated, and operation is a lot, also needs to set up cat road, and the application's suspension bridge construction avoids these problems, only simple 5 construction sequences operation is just passable; For the erection of bridge deck, conventional suspension bridge needs configuration to block at Large-scale Hoisting equipment such as loop wheel machines, and the bridge deck of our this suspension bridge does not need heavy mechanical equipment, can manually set up even completely, time saving and energy saving.Therefore peace is torn open all very convenient, fast.
The application's scheme, by large-scale FEM (finite element) calculation, multianalysis is when concrete pumping, staff's construction operation and zero load are combated typhoon, the internal force utilizing this structural system to calculate and the linear equal normal use that can ensure structure, ensure that safety and the feasibility of structure in above-mentioned two situations.Whole system is clearly stressed, and power transmission is reliable, constructability.
The beneficial effects of the utility model: overcome traditional trestle and can not draw logical or span is too little, the shortcoming that navigation requires can not be met, overcome again the shortcomings such as conventional suspension bridge construction is complicated, input main equipment is many, long construction period simultaneously, for particularly oversea bridge construction waterborne, adopt this new structure, greatly can save construction costs, greatly improve efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the facade structures schematic diagram of the utility model embodiment;
Fig. 2 is the side structure schematic diagram of the utility model embodiment tower column structure;
Fig. 3 is the side structure schematic diagram of the utility model embodiment bridge deck;
Fig. 4 is the process schematic representation of the utility model embodiment construction method step 1;
Fig. 5 is the process schematic representation of the utility model embodiment construction method step 2;
Fig. 6 is the process schematic representation of the utility model embodiment construction method step 3;
Fig. 7 is the process schematic representation of the utility model embodiment construction method step 4;
Fig. 8 is the process schematic representation of the utility model embodiment construction method step 4;
Fig. 9 is the process schematic representation of the utility model embodiment construction method step 4;
1 be wherein shellfish thunder trestle, 2 be tower column structure, 3 be earth anchor, 4 be main push-towing rope, 5 be adjustable suspension rod, 6 be transverse distribution beam, 7 be bridge deck, 8 be cord clip, 9 be cable saddle, 10 be square barge, 21 be vertical steel pipe, 22 be steel stull, 51 be suspension rod, 52 be adjuster, 53 be steel plate, 54 for adjusting bolt, 71 be flitch of marking time, 72 for steel wire veil.
Detailed description of the invention
Following non-limiting examples is for illustration of the utility model.
As shown in Figures 1 to 3, a kind of suspension trestle waterborne that can be used for pumping of concrete, comprise the shellfish thunder trestle 1 of navigable both sides, the suspension trestle of both sides shellfish thunder trestle 1 is connected across navigable, and along the concrete pump pipe that suspension trestle is installed, suspension trestle is by two tower column structures 2 relying on shellfish thunder trestle 1 to arrange, rely on two groups of earth anchors 3 that the ground on the bank outside shellfish thunder trestle 1 is arranged, be located at two groups of cable saddles 9 on tower column structure 2 top, connect two groups of earth anchors 3 and two main push-towing ropes 4 supported by cable saddle 9, the transverse distribution beam 6 of corresponding adjustable suspension rod 5 on some adjustable suspension rods 5 and connection two main push-towing ropes 4 of main push-towing rope 4 distribution, and set up each transverse distribution beam 6 of connection successively until connect bridge deck 7 five the part composition of two tower column structures 2 along main push-towing rope 4, bridge deck 7 is by the flitch 71 of marking time connecting transverse distribution beam 6, and be located at the steel wire veil 72 of marking time on flitch 71 and form, bridge deck 7 is the level of state and higher than shellfish thunder trestle Bridge 1 face, concrete pump pipe is installed along bridge deck 7, tower column structure 2 comprises the vertical steel pipe 21 that two support shellfish thunder trestles 1 are arranged, and connect the steel stull 22 of two vertical steel pipes 21, and the wherein double transverse distribution beam 6 (as shown in Figure 2 top-down second steel stull 22) doing bridge deck 7 termination of a steel stull 22, the double crossbeam (as shown in Figure 2 top-down 3rd steel stull 22) doing shellfish thunder trestle 1 termination of another steel stull 22.As selection, as shown in this embodiment, adjustable suspension rod 5 is connected and composed through adjuster 52 by two sections of suspension rods 51, and its epimere suspension rod 51 top is connected with main push-towing rope 4 through cord clip 8, connects transverse distribution beam 6 between two hypomere suspension rod 51 bottoms corresponding on two main push-towing ropes 4.Adjuster 52 is by two steel plates 53 be detachably located on the relative termination of two sections of suspension rods 51, and the adjusting bolt 54 connecting two steel plates 53 is formed.Earth anchor 3 position is provided with the compensation linkage of adjustment main push-towing rope 4, linear to designing in order to adjust main push-towing rope.
Take span as the suspension trestle waterborne of 68m be example, structure composition can adopt following scheme:
This trestle two termination 12m across shellfish thunder trestle 1, inter-chamber tower rod structure 2 adopts the steel pipe 21 that diameter is 1.2m, wall thickness is 12mm, column cantilever height is 16.76m, for ensureing its stability, side direction adopts the H profile steel stull 22 of 2HM588 × 300 to connect, this component had both played the effect of lateral, calculated length in the plane reducing column; Play again horizontal beam action, for subsequent job provides support.
Main push-towing rope 4 adopts
, intensity is 1960MPa galvanized steel independent wire strand core wire rope; Suspension rod 51 adopts
fining twisted steel, in order to the bridge deck that regulates convenient in the process of installing is linear, suspension rod has been installed adjuster 52, suspension rod 52 adopts cord clip 8 to connect with main push-towing rope 4; Bridge deck 7 adopts transverse distribution beam 6, mark time flitch 71 and steel wire veil 72.
Aforementioned suspension trestle waterborne can be used in opening the navigation or air flight waterway classification that clear span is not less than 80m be more than III level the construction across river, Oversea bridge, and only can set up concrete mixing plant on the bank, side of bridge yet to be built, and complete concrete transport and the pumping of both sides by suspension trestle waterborne.
As shown in figures 4-9, the aforementioned construction method that can be used for the suspension trestle waterborne of pumping of concrete, is made up of following steps successively:
1) construction tower column structure 2 and earth anchor 3, cable saddle 9 is installed:
Respectively with shellfish thunder trestle 1 with roadbed is for relying on the bank, construction tower column structure 2 and earth anchor 3, after tower column structure 2 construct, at tower column structure 2 top place installation cable saddle 9, wherein the design centre line of cable saddle 9 and earth anchor 3 center line and main rope 4 is tried one's best centering.
2) layout of main push-towing rope 4, cord clip 8 and adjustable suspension rod 5 is installed and main push-towing rope transport:
According to design main cable alignment, the cord clip 8 of main push-towing rope 4 main span correspondence position, adjustable suspension rod 5 and transverse distribution beam 6 are installed in advance, in an orderly manner on the side's of being placed in barge 10, the side's of utilization barge 10 transports it into position;
3) complete main push-towing rope 4 to set up and alignment control:
By the cable saddle 9 that main push-towing rope 4 pushes up through tower column structure 2 from main span, install to end bay and be fixed in earth anchor 3 place, linear to designing by compensation linkage adjustment main push-towing rope in earth anchor position;
4) install mark time flitch 71 and steel wire veil 72, adjust linear:
To span centre is symmetrical successively, mark time flitch 71 and wire rope net surface 72 are installed from two ends tower column structure 2, after installation, regulate the length of adjustable suspension rod 5, bridge deck 7 is the level of state, utilize steel wire will mark time flitch 71 and transverse distribution beam 6 fastening, thus formed a stressed clear and definite force transmission mechanism;
5) concrete pump pipe is installed:
In bridge deck 7 centerline, concrete pump pipe is installed, then finely tunes linear for bridge deck 7, can come into operation after linear monitoring is qualified.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. one kind can be used for the suspension trestle waterborne of pumping of concrete, it is characterized in that: the shellfish thunder trestle comprising navigable both sides, the suspension trestle of both sides shellfish thunder trestle is connected across navigable, described suspension trestle is by two tower column structures relying on described shellfish thunder trestle to arrange, rely on two groups of earth anchors that the ground on the bank outside described shellfish thunder trestle is arranged, be located at two groups of cable saddles on described tower column structure top, connect two groups of earth anchors and two main push-towing ropes supported by described cable saddle, some adjustable suspension rods distributed along described main push-towing rope and connect the transverse distribution beam of corresponding adjustable suspension rod on two main push-towing ropes, and set up each transverse distribution beam of connection successively until connect bridge deck five the part composition of described two tower column structures along described main push-towing rope.
2. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 1, it is characterized in that: described bridge deck is the level of state and higher than described shellfish thunder trestle bridge floor.
3. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 1, it is characterized in that: suspension trestle waterborne also comprises the concrete pump pipe installed along described suspension trestle.
4. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 3, it is characterized in that: described concrete pump pipe is installed along bridge deck.
5. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 1, it is characterized in that: described bridge deck by the flitch of marking time connecting transverse distribution beam, and is located at the steel wire veil composition of marking time on flitch.
6. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 1, it is characterized in that: described tower column structure comprises the vertical steel pipe that two supports described shellfish thunder trestle is arranged, and connect the steel stull of two vertical steel pipes.
7. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 6, it is characterized in that: described steel stull, wherein the double transverse distribution beam doing described bridge deck termination of a steel stull, the double crossbeam doing described shellfish thunder trestle termination of another steel stull.
8. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 1, it is characterized in that: described adjustable suspension rod is connected and composed through adjuster by two sections of suspension rods, its epimere suspension rod top is connected with described main push-towing rope through cord clip, connects described transverse distribution beam between two hypomere suspension rod bottoms corresponding on two main push-towing ropes.
9. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 8, it is characterized in that: described adjuster is by two steel plates be detachably located on two sections of relative terminations of suspension rod, and the adjusting bolt connecting two steel plates is formed.
10. can be used for the suspension trestle waterborne of pumping of concrete as claimed in claim 1, it is characterized in that: described earth anchor position is provided with the compensation linkage of adjustment main push-towing rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381855.9U CN204039898U (en) | 2014-07-10 | 2014-07-10 | Can be used for the suspension trestle waterborne of pumping of concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381855.9U CN204039898U (en) | 2014-07-10 | 2014-07-10 | Can be used for the suspension trestle waterborne of pumping of concrete |
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| CN204039898U true CN204039898U (en) | 2014-12-24 |
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| CN201420381855.9U Expired - Fee Related CN204039898U (en) | 2014-07-10 | 2014-07-10 | Can be used for the suspension trestle waterborne of pumping of concrete |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297626A (en) * | 2015-11-09 | 2016-02-03 | 北京东方园林生态股份有限公司 | Compound type wooden trestle and paving method thereof |
| CN111593670A (en) * | 2020-06-05 | 2020-08-28 | 中国铁建大桥工程局集团有限公司 | Construction method of channel-crossing large-span trestle |
| CN113027359A (en) * | 2021-04-09 | 2021-06-25 | 中国船舶工业集团公司第七0八研究所 | Automatic cat retracting and releasing road and bridge device |
-
2014
- 2014-07-10 CN CN201420381855.9U patent/CN204039898U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297626A (en) * | 2015-11-09 | 2016-02-03 | 北京东方园林生态股份有限公司 | Compound type wooden trestle and paving method thereof |
| CN111593670A (en) * | 2020-06-05 | 2020-08-28 | 中国铁建大桥工程局集团有限公司 | Construction method of channel-crossing large-span trestle |
| CN113027359A (en) * | 2021-04-09 | 2021-06-25 | 中国船舶工业集团公司第七0八研究所 | Automatic cat retracting and releasing road and bridge device |
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Free format text: FORMER OWNER: CHINA COMMUNICATIONS 2ND NAVIGATIONAL BUREAU Effective date: 20150729 Owner name: CHINA COMMUNICATIONS 2ND NAVIGATIONAL BUREAU Free format text: FORMER OWNER: CCCCSHEC FOURTH ENGINEERING CO., LTD. Effective date: 20150729 |
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Effective date of registration: 20150729 Address after: 430048 Wuhan, East Lake District, Hubei Jin Lake Road, No. 11 Patentee after: China Communications 2nd Navigational Bureau Address before: 241009 Anhui Province, Wuhu city innovation road Jiujiang Economic Development Zone on the west side of the Integrated Service District 1 Building 1 layer Patentee before: CCCC SHEC Fourth Engineering Co., Ltd. Patentee before: China Communications 2nd Navigational Bureau |
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| 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: 20141224 Termination date: 20210710 |