CN101672008A - Method for loading bridge support frame with prefabricated part - Google Patents
Method for loading bridge support frame with prefabricated part Download PDFInfo
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- CN101672008A CN101672008A CN200910063472A CN200910063472A CN101672008A CN 101672008 A CN101672008 A CN 101672008A CN 200910063472 A CN200910063472 A CN 200910063472A CN 200910063472 A CN200910063472 A CN 200910063472A CN 101672008 A CN101672008 A CN 101672008A
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Abstract
The invention relates to a method for loading a bridge support frame with a prefabricated part, which is characterized by comprising the following steps: (1) producing a fabricated part which are provided with a horizontal groove and a vertical groove respectively on the upper surface and the lateral surface; (2) hoisting the prefabricated part on a bridge support frame of a first construction segment with a crane after construction of the bridge support frame, firstly paving a first-layer prefabricated part on the bridge support frame, then paving a second-layer prefabricated part on the first layer, and so forth till a design load weight of the bridge support frame of the first construction segment is achieved, passing through the horizontal groove with a horizontal wire rope to fasten afirst hook on the prefabricated part of the same layer after each layer of prefabricated part is paved, and passing through the vertical groove with a vertical wire rope to fasten a second hook between the upper and lower adjacent prefabricated parts; and (3) moving the prefabricated part on the bridge support frame of the previous construction segment to the bridge support frame of the next construction segment for loading till the bridge support frame of the final construction segment is loaded. The invention has the characteristics of high efficiency, good safety and reusability of loadingmaterials and prefabricated parts.
Description
Technical field
The invention belongs to civil engineering, bridge engineering field, relate in particular to a kind of method that bridge support frame is loaded.
Background technology
During for assurance bridge board pour concrete, its bridge support frame does not sink, and often need earlier bridge support frame be loaded after bridge support frame has been set up, and after meeting the demands, just can carry out nation and wire-tie fluid concrete.The method that traditional bridge support frame loads is to adopt the method for artificial heap sand bag, and this method is simple, convenient.But also there are the following problems: 1, bridge support frame is generally higher, artificial heap sand bag labour intensity height; 2, the characteristics of bridge support frame preloading are that circuit is long, area is big, and artificial heap sand bag efficient is low; 3, the proportion of sand is little, and therefore, the sand bag takes up an area of many, needs the height height of heap, and the preloading difficulty strengthens, and is dangerous; 4, because of the height height of heap, a large amount of people is at high-altitude heap sand bag, and is dangerous; 5, progress is slow, can prolong the time at envelope dealings, and is unfavorable to resident trip; 6, gapped between the sand bag, load tonnage and measure inaccurate.
Summary of the invention
The object of the present invention is to provide a kind of efficient height, safety good, add the reusable method of utilizing prefabricated units that bridge support frame is loaded of loading.
To achieve these goals, technical scheme of the present invention is: utilize prefabricated units to the method that bridge support frame loads, it is characterized in that it comprises the steps:
1) make prefabricated units 1, prefabricated units are block, and the upper surface of prefabricated units is provided with the horizontal groove 2 that intersects in length and breadth, and the infall of horizontal groove 2 is fixed with first suspension hook 3; The side of prefabricated units is provided with vertical groove 4, is fixed with second suspension hook 5 in the vertical groove 4;
2) after bridge support frame has been constructed, adopt lifting appliance prefabricated units to be hung on the bridge support frame of first construction section; On bridge support frame, lay the first floor prefabricated units earlier, on first floor, lay second layer prefabricated units then, and the like, until the design loaded weight of the bridge support frame that reaches first construction section; After each layer prefabricated unit had been laid, passing horizontal groove with horizontal wire rope 11 will be tied with first suspension hook 3 on one deck prefabricated units; In the extremely last layer prefabricated units of first floor, pass vertical groove with vertical wire rope 12 between the neighbouring prefabricated units second suspension hook 5 is tied;
3) after the bridge support frame of first construction section loads and reaches designing requirement, untie horizontal wire rope, vertical wire rope, prefabricated units on the bridge support frame of first construction section are moved on the bridge support frame of next construction section and load, and the like, prefabricated units on the bridge support frame of a last construction section are moved on the bridge support frame of next construction section and load, until the bridge support frame loaded of last construction section.
The material of described prefabricated units is a concrete, or cast iron, or cast steel, or steel and concrete combination; Prefabricated by existing conventional method.
The length of described prefabricated units is 1.0～2.0m, and wide is 1.0～2.0m, and height is 0.6～1.2m.
The soffit of described prefabricated units is provided with first chute 6, second chute, 8, the first chutes 6 and second chute 8 and be arranged in parallel, all is provided with 2 rollers 7 at least in first chute 6, second chute 8; The upper surface of prefabricated units is provided with first sliver 9, second sliver 10, first sliver 9 is corresponding with the position of first chute 6, corresponding (the spacing unanimity between first chute, 6 to second chutes 8 of the spacing between first sliver 9 and second sliver 10 and the soffit of prefabricated units with the position of second chute 8 of second sliver 10; Rollers 7 on the soffit of the prefabricated units of last layer in first chute 6 drop on down on first sliver 9 on the upper surface of prefabricated units of one deck, and second chute, 8 interior rollers 7 drop on down on second sliver 10 on the upper surface of prefabricated units of one deck on the soffit of the prefabricated units of last layer; The prefabricated units that are last layer can slide on the prefabricated units of following one deck; Vertically can adopt the haulage cable of hoist engine that prefabricated units are pulled the installation site with one deck); The lower end of roller 7 is positioned on the surface of soffit of prefabricated units, and roller is provided with annular groove;
Lay two parallel inverted T shape guide rails on the described bridge support frame, the spacing between two parallel inverted T shape guide rails is consistent with spacing between first chute, 6 to second chutes 8 of the soffit of prefabricated units; The prefabricated units that are first floor can slide on two that lay on the bridge support frame parallel inverted T shape guide rails; Vertically can adopt the haulage cable of hoist engine that prefabricated units are pulled the installation site at this layer);
Lifting appliance hangs prefabricated units on the bridge support frame of first construction section, and the roller 7 in the roller on the soffit of the prefabricated units of first floor in first chute 6, second chute 8 is corresponding respectively to be dropped on two parallel inverted T shape guide rails of first construction section, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then; Prefabricated units on the first floor adopt lifting appliance that prefabricated units are hung on the first floor prefabricated units, and the roller 7 in the roller on the soffit of the prefabricated units on the first floor in first chute 6, second chute 8 is corresponding respectively to be dropped on down on first sliver 9 on one deck prefabricated units upper surface, second sliver 10, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then;
Describedly prefabricated units on the bridge support frame of a last construction section are moved to the method that loads on the bridge support frame of next construction section be: lifting appliance hangs the prefabricated units of a last construction section on the bridge support frame of next construction section, and the roller 7 in the roller on the soffit of the prefabricated units of the first floor of next construction section in first chute 6, second chute 8 is corresponding respectively to be dropped on two parallel inverted T shape guide rails of next construction section, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then; Prefabricated units on the first floor of next construction section adopt lifting appliance prefabricated units to be hung on the first floor prefabricated units of next construction section, and the roller 7 in the roller on the soffit of the prefabricated units on the first floor of next construction section in first chute 6, second chute 8 is corresponding respectively to be dropped on down on first sliver 9 on one deck prefabricated units upper surface, second sliver 10, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then.
When bridge support frame generation differential settlement,, can evenly load for guaranteeing the contact between each prefabricated unit; On prefabricated units, be provided with horizontal plane in length and breadth two directions horizontal groove, vertically establishing vertical groove, adopt wire rope that each prefabricated unit is all linked together in the horizontal and vertical direction.No matter be that individual layer loads or multilayer loads, wire rope locked with being arranged in the groove and at the suspension hook place of each prefabricated unit, with globality and the loading safety that guarantees each prefabricated unit.
Versatility for the heap(ed) capacity that guarantees prefabricated units can be designed to prefabricated units the different kind of height, makes up then or single use, thereby can satisfy the requirement of the different heap(ed) capacity of each engineering.
The present invention has following beneficial effect:
1, the present invention loads the sand bag and changes prefabricated units into, and artificial heap sand bag changes lifting appliance into, installs adding loading, and Fully-mechanized operation has embodied the hommization requirement that people-oriented, and the duration only is 1/10～1/6 of artificial preloading; Have the high characteristics of efficient.
2, prefabricated units are as adding loading, and prefabricated units take up an area of few (especially when Urban Bridge was built, this advantage was more outstanding) than great, and preloading is highly low, and is safe.
3, because prefabricated units than great, under the situation of same weight, prefabricated units quantity is few, lifting, that number of packages is installed is few, the efficient height, the duration shortens, the time that reduces the envelope traffic is few, has reduced the interference to resident trip.
4, after every layer of prefabricated unit have been laid, wire rope is located in the groove, and in the locking of the suspension hook place of each prefabricated unit, thereby each prefabricated unit is linked as integral body; Guarantee globality between the prefabricated units and the co-ordination between the prefabricated units, also played the good effect of safety.
5, adding loading (being prefabricated units) can reuse, and highly versatile can use for a long time, meets the policy requirements of recycling economy, has embodied energy-conservation and environmental protection.
6, the prefabricated units conduct adds loading, accurate measurement, and heap(ed) capacity is guaranteed.
Description of drawings
Fig. 1 is the schematic diagram of the prefabricated units upper surface of the embodiment of the invention 1;
Fig. 2 is along the sectional view of A-A line among Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the schematic diagram of the prefabricated units soffit of the embodiment of the invention 5;
Fig. 5 is the schematic diagram of the prefabricated units upper surface of the embodiment of the invention 5;
Fig. 6 is the assembled state schematic diagram of multilayer prefabricated units of the present invention;
Fig. 7 is the assembled state schematic diagram of the not contour prefabricated units of individual layer of the present invention;
Fig. 8 is the schematic diagram of inverted T shape guide rail in the embodiment of the invention 5;
Among the figure: 1-prefabricated units, 2-horizontal groove, 3-first suspension hook, the vertical groove of 4-, 5-second suspension hook, 6-first chute, the 7-roller, 8-second chute, 9-first sliver, 10-second sliver, the horizontal wire rope of 11-, the vertical wire rope of 12-, 13-loading surface, 14-inverted T shape guide rail, 15-the 5th prefabricated units.
The specific embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1:
The method of utilizing prefabricated units that bridge support frame is loaded, it comprises the steps:
1) as Fig. 1, Fig. 2, shown in Figure 3, make prefabricated units 1, prefabricated units are block, and the upper surface of prefabricated units is provided with the horizontal groove 2 of intersection (i.e. " ten " font) in length and breadth, and the infall of horizontal groove 2 (i.e. the infall that intersects in length and breadth) is fixed with first suspension hook 3; The side of prefabricated units is provided with vertical groove 4 (vertical groove even communicates with horizontal groove, and present embodiment is that the left and right side is equipped with vertical groove), is fixed with second suspension hook 5 (second suspension hook is positioned at the middle part of vertical groove) in the vertical groove 4;
2) after bridge support frame has been constructed, adopt lifting appliance (as crane) prefabricated units to be hung on the bridge support frame of first construction section (being on the loading surface 13 of bridge support frame); On bridge support frame, lay the first floor prefabricated units earlier, on first floor, lay second layer prefabricated units then, and the like, until the design loaded weight of the bridge support frame that reaches first construction section; After each layer prefabricated unit have been laid, pass horizontal groove with horizontal wire rope 11 and will be tied that (horizontal wire rope 11 is locked at the first suspension hook place, and horizontal wire rope is positioned at horizontal groove 2, as shown in Figure 6) with first suspension hook 3 on one deck prefabricated units; In the extremely last layer prefabricated units of first floor, pass vertical groove with vertical wire rope 12 between the neighbouring prefabricated units and second suspension hook 5 is tied (vertical wire rope 12 is locked at the second suspension hook place, the position of the vertical groove on the neighbouring prefabricated units is corresponding, vertical wire rope 12 is positioned at vertical groove, as shown in Figure 6);
3) after the bridge support frame of first construction section loads and reaches designing requirement, untie horizontal wire rope, vertical wire rope, prefabricated units on the bridge support frame of first construction section are moved to load on the bridge support frame of next construction section that (the present embodiment prefabricated units move whole employing lifting appliancies, first suspension hook 3 that is played on the prefabricated units by wire rope moves), next construction section is that horizontal wire rope, vertical wire rope are with step 2); And the like, the prefabricated units on the bridge support frame of a last construction section are moved on the bridge support frame of next construction section and load, until the bridge support frame loaded of last construction section; Each construction section is that horizontal wire rope, vertical wire rope are with step 2).
Enumerated the relation between the part levels among Fig. 6, as: lower floor is first prefabricated units, second prefabricated units, and the upper strata is the 3rd prefabricated units, the 4th prefabricated units.First prefabricated units of lower floor and second prefabricated units are linked together by horizontal wire rope 11, and the 3rd prefabricated units and the 4th prefabricated units are linked together by another horizontal wire rope 11; First prefabricated units and the 3rd prefabricated units are tied by vertical wire rope 12, second prefabricated units are tied (the present invention is connected with the used wire rope of one deck prefabricated units and is called horizontal wire rope, and used wire rope is called vertical wire rope between articulamentum and the layer prefabricated unit) by another vertical wire rope 12 with the 4th prefabricated units.
The material of described prefabricated units is a concrete; Prefabricated by existing conventional method.The length of described prefabricated units is 1.2m, and wide is 1.2m, and height is 0.8m.
Embodiment 2:
Substantially the same manner as Example 1, difference is: the material of described prefabricated units is a cast iron.
Embodiment 3:
Substantially the same manner as Example 1, difference is: the material of described prefabricated units is a cast steel.
Embodiment 4:
Substantially the same manner as Example 1, difference is: the material of described prefabricated units is steel and concrete combination (as steel concrete).
Embodiment 5:
The method of utilizing prefabricated units that bridge support frame is loaded, it comprises the steps:
1) as Fig. 4, shown in Figure 5, make prefabricated units 1, prefabricated units are block, and the upper surface of prefabricated units is provided with the horizontal groove 2 of intersection (i.e. " ten " font) in length and breadth, and the infall of horizontal groove 2 is fixed with first suspension hook 3; The side of prefabricated units is provided with vertical groove 4 (vertical groove even communicates with horizontal groove, and present embodiment is that the left and right side is equipped with vertical groove), is fixed with second suspension hook 5 (second suspension hook is positioned at the middle part of vertical groove) in the vertical groove 4;
As Fig. 4, shown in Figure 5, the soffit of described prefabricated units is provided with first chute 6, second chute, 8, the first chutes 6 and second chute 8 and be arranged in parallel, all is provided with 2 rollers 7 (present embodiment adopts 2 rollers 7) in first chute 6, second chute 8 at least; The upper surface of prefabricated units is provided with first sliver 9, second sliver 10 (being equivalent to guide rail), first sliver 9 is corresponding with the position of first chute 6, second sliver 10 is corresponding with the position of second chute 8, and (rollers 7 on the soffit of the prefabricated units of last layer in first chute 6 drop on down on first sliver 9 on the upper surface of prefabricated units of one deck, and second chute, 8 interior rollers 7 drop on down on second sliver 10 on the upper surface of prefabricated units of one deck on the soffit of the prefabricated units of last layer; The prefabricated units that are last layer can slide on the prefabricated units of following one deck; Vertically can adopt the haulage cable of hoist engine that prefabricated units are pulled the installation site with one deck); The lower end of roller 7 is positioned on the surface of soffit of prefabricated units (roller is provided with annular groove).
2) after bridge support frame has been constructed, on bridge support frame, lay two parallel inverted T shape guide rails 14 (as shown in Figure 8), the spacing between two parallel inverted T shape guide rails consistent with spacing between first chute, 6 to second chutes 8 of the soffit of prefabricated units (i.e. spacing unanimity between the interior roller of interior roller to the second chute of first chute 6 8);
Lifting appliance (as crane) hangs prefabricated units on the bridge support frame of first construction section, and the roller 7 in the roller on the soffit of the prefabricated units of first floor in first chute 6, second chute 8 is corresponding respectively to be dropped on two parallel inverted T shape guide rails 14 of first construction section, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then; On bridge support frame, lay the first floor prefabricated units earlier, on first floor, lay second layer prefabricated units then;
Prefabricated units on the first floor of first construction section adopt lifting appliance that prefabricated units are hung on the first floor prefabricated units, and the roller 7 in the roller on the soffit of the prefabricated units on the first floor in first chute 6, second chute 8 is corresponding respectively to be dropped on down on first sliver 9 on one deck prefabricated units upper surface, second sliver 10, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then;
And the like, until the design loaded weight of the bridge support frame that reaches first construction section;
After each layer prefabricated unit have been laid, pass horizontal groove with horizontal wire rope 11 and will be tied that (horizontal wire rope 11 is locked at the first suspension hook place, and horizontal wire rope is positioned at horizontal groove 2, as shown in Figure 6) with first suspension hook 3 on one deck prefabricated units; In the extremely last layer prefabricated units of first floor, pass vertical groove with vertical wire rope 12 between the neighbouring prefabricated units and second suspension hook 5 is tied (vertical wire rope 12 is locked at the second suspension hook place, the position of the vertical groove on the neighbouring prefabricated units is corresponding, vertical wire rope 12 is positioned at vertical groove, as shown in Figure 6);
3) after the bridge support frame of first construction section loads and reaches designing requirement, untie horizontal wire rope, vertical wire rope, prefabricated units on the bridge support frame of first construction section are moved on the bridge support frame of next construction section and load, and the like, prefabricated units on the bridge support frame of a last construction section are moved on the bridge support frame of next construction section and load, until the bridge support frame loaded of last construction section.
Describedly prefabricated units on the bridge support frame of a last construction section are moved to the method that loads on the bridge support frame of next construction section be: lifting appliance hangs the prefabricated units of a last construction section on the bridge support frame of next construction section, and the roller on the soffit of the prefabricated units of the first floor of next construction section in first chute 6, roller 7 in second chute 8 is corresponding respectively to be dropped on two parallel inverted T shape guide rails 14 of next construction section, adopts the haulage cable of hoist engine that prefabricated units are towed to installation site (second suspension hook on haulage cable and the prefabricated units is tied) then; Prefabricated units on the first floor of next construction section adopt lifting appliance prefabricated units to be hung on the first floor prefabricated units of next construction section, and the roller 7 in the roller on the soffit of the prefabricated units on the first floor of next construction section in first chute 6, second chute 8 is corresponding respectively to be dropped on down on first sliver 9 on one deck prefabricated units upper surface, second sliver 10, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then; Each construction section is that horizontal wire rope, vertical wire rope are with step 2).
Embodiment 6:
Substantially the same manner as Example 5, difference is: loading layer has only one deck, prefabricated units on the bridge support frame of a last construction section are moved to the method that loads on the bridge support frame of next construction section is: establish hoist engine and inverted T shape guide rail 14 on the bridge support frame of next construction section, prefabricated units on the bridge support frame of a last construction section are placed on the inverted T shape guide rail 14 on the bridge support frame of next construction section, directly prefabricated units are towed to the installation site of next construction section then with hoist engine.
Embodiment 7:
As shown in Figure 7, the prefabricated units of two kinds of height that do not wait for same material height make up (first prefabricated units, second prefabricated units, the 5th prefabricated units 15, the height of the 5th prefabricated units is lower than first prefabricated units, second prefabricated units, all make standard component, the weight of the prefabricated units of each model is identical), can satisfy the difference of heap(ed) capacity.
Claims (3)
1. utilize prefabricated units to the method that bridge support frame loads, it is characterized in that it comprises the steps:
1) make prefabricated units (1), prefabricated units are block, and the upper surface of prefabricated units is provided with the horizontal groove (2) that intersects in length and breadth, and the infall of horizontal groove (2) is fixed with first suspension hook (3); The side of prefabricated units is provided with vertical groove (4), is fixed with second suspension hook (5) in the vertical groove (4);
2) after bridge support frame has been constructed, adopt lifting appliance prefabricated units to be hung on the bridge support frame of first construction section; On bridge support frame, lay the first floor prefabricated units earlier, on first floor, lay second layer prefabricated units then, and the like, until the design loaded weight of the bridge support frame that reaches first construction section; After each layer prefabricated unit had been laid, passing horizontal groove with horizontal wire rope (11) will be tied with first suspension hook (3) on one deck prefabricated units; In the extremely last layer prefabricated units of first floor, pass vertical groove with vertical wire rope (12) between the neighbouring prefabricated units second suspension hook (5) is tied;
3) after the bridge support frame of first construction section loads and reaches designing requirement, untie horizontal wire rope, vertical wire rope, prefabricated units on the bridge support frame of first construction section are moved on the bridge support frame of next construction section and load, and the like, prefabricated units on the bridge support frame of a last construction section are moved on the bridge support frame of next construction section and load, until the bridge support frame loaded of last construction section.
2. the prefabricated units that utilize according to claim 1 is characterized in that the method that bridge support frame loads: the material of described prefabricated units is a concrete, or cast iron, or cast steel, or steel and concrete combination.
3. the method for utilizing prefabricated units that bridge support frame is loaded according to claim 1, it is characterized in that: the soffit of described prefabricated units is provided with first chute (6), second chute (8), first chute (6) be arranged in parallel with second chute (8), all is provided with 2 rollers (7) at least in first chute (6), second chute (8); The upper surface of prefabricated units is provided with first sliver (9), second sliver (10), and first sliver (9) is corresponding with the position of first chute (6), and second sliver (10) is corresponding with the position of second chute (8); The lower end of roller (7) is positioned on the surface of soffit of prefabricated units, and roller is provided with annular groove;
Lay two parallel inverted T shape guide rails on the described bridge support frame, the spacing between two parallel inverted T shape guide rails is consistent to the spacing between second chute (8) with first chute (6) of the soffit of prefabricated units;
Lifting appliance hangs prefabricated units on the bridge support frame of first construction section, and the roller on the soffit of the prefabricated units of first floor in first chute (6), the roller (7) in second chute (8) are corresponding respectively to be dropped on two parallel inverted T shape guide rails of first construction section, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then; Prefabricated units on the first floor adopt lifting appliance that prefabricated units are hung on the first floor prefabricated units, and the roller on the soffit of the prefabricated units on the first floor in first chute (6), the roller (7) in second chute (8) be corresponding respectively to be dropped on down on first sliver (9) on one deck prefabricated units upper surface, second sliver (10), adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then;
Describedly prefabricated units on the bridge support frame of a last construction section are moved to the method that loads on the bridge support frame of next construction section be: lifting appliance hangs the prefabricated units of a last construction section on the bridge support frame of next construction section, and the roller on the soffit of the prefabricated units of the first floor of next construction section in first chute (6), the roller (7) in second chute (8) are corresponding respectively to be dropped on two parallel inverted T shape guide rails of next construction section, adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then; Prefabricated units on the first floor of next construction section adopt lifting appliance prefabricated units to be hung on the first floor prefabricated units of next construction section, and the roller on the soffit of the prefabricated units on the first floor of next construction section in first chute (6), the roller (7) in second chute (8) be corresponding respectively to be dropped on down on first sliver (9) on one deck prefabricated units upper surface, second sliver (10), adopts the haulage cable of hoist engine that prefabricated units are towed to the installation site then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100634720A CN101672008B (en) | 2009-08-07 | 2009-08-07 | Method for loading bridge support frame with prefabricated part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100634720A CN101672008B (en) | 2009-08-07 | 2009-08-07 | Method for loading bridge support frame with prefabricated part |
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| Publication Number | Publication Date |
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| CN101672008A true CN101672008A (en) | 2010-03-17 |
| CN101672008B CN101672008B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100634720A Expired - Fee Related CN101672008B (en) | 2009-08-07 | 2009-08-07 | Method for loading bridge support frame with prefabricated part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012313A (en) * | 2010-10-29 | 2011-04-13 | 中国一冶集团有限公司 | Method for carrying out load test on bridge support frame by prefabricated parts moved through tractive walking |
| CN102023092A (en) * | 2010-10-29 | 2011-04-20 | 中国一冶集团有限公司 | Method for performing load test for bridge support frame with hand-propelled movable prefabricated part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422445C (en) * | 2007-08-03 | 2008-10-01 | 中铁一局集团有限公司 | Steel strand reversal fulcrum preloading method |
-
2009
- 2009-08-07 CN CN2009100634720A patent/CN101672008B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012313A (en) * | 2010-10-29 | 2011-04-13 | 中国一冶集团有限公司 | Method for carrying out load test on bridge support frame by prefabricated parts moved through tractive walking |
| CN102023092A (en) * | 2010-10-29 | 2011-04-20 | 中国一冶集团有限公司 | Method for performing load test for bridge support frame with hand-propelled movable prefabricated part |
| CN102012313B (en) * | 2010-10-29 | 2012-01-25 | 中国一冶集团有限公司 | Method for carrying out load test on bridge support frame by prefabricated parts moved through tractive walking |
| CN102023092B (en) * | 2010-10-29 | 2012-02-29 | 中国一冶集团有限公司 | Method for performing load test for bridge support frame with hand-propelled movable prefabricated part |
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| Publication number | Publication date |
|---|---|
| CN101672008B (en) | 2011-06-08 |
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