CN101761000A - Nine-connecting-plate connective tensioning construction method for road bed - Google Patents
Nine-connecting-plate connective tensioning construction method for road bed Download PDFInfo
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- CN101761000A CN101761000A CN200910312744A CN200910312744A CN101761000A CN 101761000 A CN101761000 A CN 101761000A CN 200910312744 A CN200910312744 A CN 200910312744A CN 200910312744 A CN200910312744 A CN 200910312744A CN 101761000 A CN101761000 A CN 101761000A
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Abstract
The invention discloses a nine-connecting-plate connective tensioning construction method for a base bed, belongs to the technical field of pavement construction for connective track slabs, and comprises the process steps of connecting and tensioning lower-layer prestressed reinforcement, connecting and tensioning upper layer prestressed reinforcement of a nine-connecting-plate connective track slab and the like. The method greatly improves the efficiency of connection and installation between the track slabs and the efficiency of tensioning, so that the construction efficiency of a ballastless track is improved and operation is simple; the track slabs are very convenient to maintain after being put into use; at least three track slabs can be removed; and simultaneously, a prestressing force also can be recovered after replacement.
Description
Technical field
The present invention relates to the laying construction technology of a kind of high-speed railway ballastless track longitudinal-connecting type track slab in laying, especially relate to a kind of polylith track plate and lay construction technique with stretch-draw simultaneously.
Background technology
Indulge connecting plate during ballastless track is laid at present and obtained using widely, but all be the method that adopts vertical connecting plate laying of monolithic and stretch-draw, make efficiency of construction very low.
Summary of the invention
The purpose of this invention is to provide a kind of simple to operate, nine-connecting-plate connective tensioning construction method for road bed that efficiency of construction is high, easy to maintenance.
Technical scheme of the present invention is: a kind of nine-connecting-plate connective tensioning construction method for road bed comprises following processing step:
9 blocks of track plates one to nine are placed on the line in turn, 9 blocks of track plates one to nine between every adjacent two to plate seam one to nine should be arranged, track plate one and plate seam zero is not arranged between the construction section, track plate nine have plate to stitch nine between the track plate in highway section with having constructed to finish;
The connection of the first step, lower floor's prestressed reinforcement and stretch-draw:
A, plate seam one, plate seam four and plate are stitched all track slab prestress reinforcing bars of seven levels respectively move back certain distance, this distance is stitched the connector that the both sides prestressed reinforcement is connected with plate and is as the criterion putting into;
B, the termination that the track plate is positioned at lower floor's prestressed reinforcement of plate seam one, plate seam four and plate seam seven are connected by connector, and described connector is the cuboid nut that two is provided with positive and negative screw thread;
C, all prestressed reinforcements that track plate three, track plate six and track plate nine are positioned at plate seam, plate seam and plate seam eight respectively move back certain distance, and this distance is stitched the connector that the both sides prestressed reinforcement is connected with plate and is as the criterion putting into;
D, the termination that the track plate is positioned at lower floor's prestressed reinforcement of plate seam, plate seam and plate seam eight are connected by connector;
E, will be positioned on the screw rod of prestressed reinforcement termination of plate seam zero, plate seam three, plate seam six and plate seam nine and be with high-strength nut, and high-strength nut will be screwed in near track plate end face;
Be positioned at the termination of lower floor's prestressed reinforcement of plate seam nine with the connector one end connection track plate of the section of finishing, the other end with connector is connected with the termination that track plate nine is positioned at lower floor's prestressed reinforcement of plate seam nine again, when the equal interlock of connector both sides prestressed reinforcement, and can advance when moving back together together, the connector reinforcing is tightened, simultaneously plate lower floor's connector of stitching eight correspondences need release, and it is consistent that the length of the connector precession in the plate seam nine and respective panels are stitched the length that the connector in eight withdraws from;
Connect the termination that track plate seven is positioned at lower floor's prestressed reinforcement of plate seam six with connector one end, the other end with connector is connected with the termination that track plate six is positioned at lower floor's prestressed reinforcement of plate seam six again, when the equal interlock of connector both sides prestressed reinforcement, and can advance when moving back together together, the connector reinforcing is tightened, simultaneously plate lower floor's connector of stitching five correspondences need release, and it is consistent that the length of the connector precession in the plate seam five and respective panels are stitched the length that the connector in five withdraws from;
Connect the termination that track plate four is positioned at lower floor's prestressed reinforcement of plate seam three with connector one end, the other end with connector is connected with the termination that track plate three is positioned at lower floor's prestressed reinforcement of plate seam three again, when the equal interlock of connector both sides prestressed reinforcement, and can advance when moving back together together, the connector reinforcing is tightened, simultaneously plate lower floor's connector of stitching two correspondences need release, and it is consistent that the length of the connector precession in the plate seam three and respective panels are stitched the length that the connector in two withdraws from;
F, track plate one are positioned at lower floor's prestressed reinforcement of plate seam zero locks with hydraulic jack, checks as stretching force;
G, every prestressed reinforcement of plate seam two to nine lower floors is connected tensioner, the connector of odd and even numbers plate seam alternately is fixedly clamped, and alternately simultaneously apply prestressing force synchronously to connecting tensioner, make the prestressing force of every prestressed reinforcement reach 60～80% of design prestress value;
The connection and the stretch-draw of second step, upper strata prestressed reinforcement:
The upper strata prestressed reinforcement of 9 blocks of track plates, one to nine respective panels seam one to nine is connected and stretch-draw, its connection and the prestressed reinforcement step B to G of the described lower floor of the method for stretching and the first step be described be connected identical with method for stretching.
The method of described in the connection of described steps A, step C and the described second step upper strata prestressed reinforcement and the stretch-draw track slab prestress reinforcing bar respectively being moved back the certain distance employing is as follows: prop up at track plate end face and put the cushion block that is used to support crowbar, wait to move back the prestressed reinforcement termination with the crowbar aligning and evenly firmly advance, make prestressed reinforcement retreat to the position of needs.
The termination of described prestressed reinforcement is as follows by the method for attachment that connector connects:
One end of connector is screwed in a side prestressed reinforcement termination;
Binding nut is equipped with in another termination of the prestressed reinforcement that will be connected with this prestressed reinforcement, with spanner binding nut is fixedly prevented the prestressed reinforcement rotation, withstands the binding nut end with crowbar again, and cushion block is arranged at the crowbar bottom;
Again the other end of connector is aimed at the evenly firmly precession of free end of the prestressed reinforcement that binding nut is housed;
When the equal interlock of connector both sides prestressed reinforcement and can be with advancing when moving back, both sides prestressed reinforcement tail end is followed rotation with binding nut locking to prevent prestressed reinforcement, rotary connector, the distance that each precession of prestressed reinforcement that makes connector connect needs.
Described binding nut comprises nut, and is fixed on the door with screw one end shutoff on the nut.
Need to prove: track plate of the present invention is a longitudinal-connecting type track slab, and the end of its longitudinal prestressing reinforcing bar is an indented bars, so that mounted connector.
Technique effect of the present invention: connection between the track plate and stretch-draw efficient improve greatly, thereby have improved the efficiency of construction of ballastless track, and simple to operate; The back of coming into operation is safeguarded also easily, and I is removed three blocks of track plates, still can recover prestressing force after changing simultaneously.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the schematic diagram that track plate of the present invention and plate seam numbering are arranged;
Fig. 2 is the structural representation that the preferred embodiment of the present invention is respectively moved back the track slab prestress reinforcing bar certain distance employing method;
Fig. 3 is the structural representation of the connector of the preferred embodiment of the present invention;
Fig. 4 is the lateral view of Fig. 3;
Fig. 5 be the preferred embodiment of the present invention by binding nut hold out against the prestressed reinforcement mounted connector structural representation;
Fig. 6 is the structural representation of rotary connector after the prestressed reinforcement interlock of preferred embodiment of the present invention connector both sides;
Fig. 7 is the structural representation of lock nut in the preferred embodiment of the present invention;
Fig. 8 is the lateral view of Fig. 7;
Fig. 9 is the structural representation that the high-strength nut of the preferred embodiment of the present invention is connected with prestressed reinforcement;
Figure 10 is that the preferred embodiment of the present invention construction connector that finishes connects the structural representation of prestressed reinforcement;
Wherein, Reference numeral is: 1 is that track plate one, 2 is that track plate two, 3 is a track plate three, 4 is that track plate four, 5 is that track plate five, 6 is a track plate six, 7 is that track plate seven, 8 is that track plate eight, 9 is a track plate nine, 10 is connector, and 11 is crowbar, and 12 is cushion block, 13 is binding nut, and 13-1 is a nut, and 13-2 is a door, 14 is high-strength nut, and 15 is prestressed reinforcement, 0
#Be plate seam zero, 1
#Be plate seam one, 2
#Be plate seam two, 3
#Be plate seam three, 4
#Be plate seam four, 5
#Be plate seam five, 6
#Be plate seam six, 7
#Be plate seam seven, 8
#Be plate seam eight, 9
#Be plate seam nine.
The specific embodiment
Preferred embodiment
A kind of nine-connecting-plate connective tensioning construction method for road bed comprises following processing step:
As shown in Figure 1,9 blocks of track plates one to 91,2,3,4,5,6,7,8,9 are placed on the ballastless track circuit in turn, 9 blocks of track plates one to 91,2,3,4,5,6,7,8,9 between every adjacent two to plate seam one to 91 should be arranged
#, 2
#, 3
#, 4
#, 5
#, 6
#, 7
#, 8
#, track plate 1 and plate seam 00 is not arranged between the construction section
#, track plate 99 and having constructed finishes has plate to stitch 99 between the track plate in highway section
#
The connection of the first step, lower floor's prestressed reinforcement and stretch-draw:
A, plate is stitched 1
#, plate stitches 44
#Stitch 77 with plate
#All track slab prestress reinforcing bars 15 of levels respectively move back certain distance, and this distance is stitched the connector 10 that both sides prestressed reinforcement 15 is connected with plate and is as the criterion putting into; The method of track slab prestress reinforcing bar 15 respectively being moved back the certain distance employing is as follows: prop up at track plate end face and put the cushion block 12 that is used to support crowbar 11, wait to move back prestressed reinforcement 15 terminations with crowbar 11 alignings and evenly firmly advance, make prestressed reinforcement 15 retreat to the position of needs; (as shown in Figure 2)
B, the track plate is positioned at plate stitches 1
#, plate stitches 44
#Stitch 77 with plate
#The termination of lower floor's prestressed reinforcement 15 connect by connector 10, described connector 10 be two be provided with positive and negative screw thread its structure of cuboid nut as shown in Figure 3, Figure 4; The termination of described prestressed reinforcement 15 is as follows by the method for attachment that connector 10 connects:
At first, the end with connector 10 screws in a side prestressed reinforcement 15 terminations;
Secondly, another termination of the prestressed reinforcement that will be connected with this prestressed reinforcement is equipped with binding nut, with spanner binding nut prevented that fixedly prestressed reinforcement from rotating, and withstands the binding nut end with crowbar again, cushion block is arranged at the crowbar bottom; Binding nut 13 comprises nut 13-1, and is fixed on the door 13-2 with screw one end shutoff on the nut 13-1, its structure such as Fig. 7, shown in Figure 8;
Once more, again the other end of connector is aimed at the evenly firmly precession of free end of the prestressed reinforcement that binding nut is housed; (as shown in Figure 5)
At last, when the equal interlock of connector 10 both sides prestressed reinforcements also can advance to move back together together, both sides prestressed reinforcement tail end is followed rotation with binding nut locking to prevent prestressed reinforcement, rotary connector, the distance that each precession of prestressed reinforcement that makes connector connect needs; (as shown in Figure 6)
C, track plate 33, track plate 66 and track plate 99 are positioned at plate seam 2
#, plate seam 5
#Stitch 88 with plate
#All prestressed reinforcements 15 respectively move back certain distance, this distance is stitched the connector 10 that both sides prestressed reinforcement 15 is connected with plate and is as the criterion putting into; Track slab prestress reinforcing bar 15 is respectively moved back the method for certain distance employing with step A;
D, the track plate is positioned at plate seam 2
#, plate seam 5
#Stitch 88 with plate
#The termination of lower floor's prestressed reinforcement 15 connect by connector 10; The method of attachment of connector 10 connections is passed through with step B in the termination of described prestressed reinforcement 15;
E, will be positioned at plate seam 00
#, plate stitches 33
#, plate stitches 66
#Stitch 99 with plate
#The screw rod of prestressed reinforcement 15 terminations on be with high-strength nut 14, and high-strength nut 14 is screwed in near track plate end face (as shown in Figure 9);
Be positioned at plate with the connector one end connection track plate of the section of finishing and stitch 99
#The termination of lower floor's prestressed reinforcement, again the other end of connector and track plate 99 are positioned at plate and stitch 99
#The termination of lower floor's prestressed reinforcement connect, when the equal interlock of connector both sides prestressed reinforcement, and can the connector reinforcing be tightened with advancing when moving back, plate stitches 88 simultaneously
#Corresponding lower floor's connector need release, and plate stitches 99
#In the length and the respective panels of connector precession stitch 88
#In the length unanimity that withdraws from of connector;
Be positioned at plate with connector one end connection track plate 77 and stitch 66
#The termination of lower floor's prestressed reinforcement, again the other end of connector and track plate 66 are positioned at plate and stitch 66
#The termination of lower floor's prestressed reinforcement connect, when the equal interlock of connector both sides prestressed reinforcement, and can the connector reinforcing be tightened with advancing when moving back, plate stitches 55 simultaneously
#Corresponding lower floor's connector need release, and plate stitches 56
#In the length and the respective panels of connector precession stitch 55
#In the length unanimity that withdraws from of connector;
Be positioned at plate with connector one end connection track plate 44 and stitch 33
#The termination of lower floor's prestressed reinforcement, again the other end of connector and track plate 33 are positioned at plate and stitch 33
#The termination of lower floor's prestressed reinforcement connect, when the equal interlock of connector both sides prestressed reinforcement, and can the connector reinforcing be tightened with advancing when moving back, plate stitches 22 simultaneously
#Corresponding lower floor's connector need release, and plate stitches 33
#In the length and the respective panels of connector precession stitch 22
#In the length unanimity that withdraws from of connector;
F, track plate 1 are positioned at plate seam 00
#Lower floor's prestressed reinforcement lock with hydraulic jack, check as stretching force;
G, to plate seam two to 92
#, 3
#, 4
#, 5
#, 6
#, 7
#, 8
#, 9
#Every prestressed reinforcement of lower floor connects tensioner, and the connector of odd and even numbers plate seam alternately is fixedly clamped, and alternately simultaneously applies prestressing force synchronously to connecting tensioner, makes the prestressing force of every prestressed reinforcement reach 60～80% of design prestress value;
The connection and the stretch-draw of second step, upper strata prestressed reinforcement:
With 9 blocks of track plates one to 91,2,3,4,5,6,7,8,9 respective panels seam one to 91
#, 2
#, 3
#, 4
#, 5
#, 6
#, 7
#, 8
#, 9
#The upper strata prestressed reinforcement connect and stretch-draw, its connection and the prestressed reinforcement step B to G of the described lower floor of the method for stretching and the first step be described be connected identical with method for stretching, that is:
A, the track plate is positioned at plate stitches 1
#, plate stitches 44
#Stitch 77 with plate
#The termination of upper strata prestressed reinforcement 15 connect by connector 10, described connector 10 is cuboid nuts that two is provided with positive and negative screw thread; The termination of described prestressed reinforcement 15 is as follows by the method for attachment that connector 10 connects:
At first, the end with connector 10 screws in a side prestressed reinforcement 15 terminations;
Secondly, another termination of the prestressed reinforcement that will be connected with this prestressed reinforcement is equipped with binding nut, with spanner binding nut prevented that fixedly prestressed reinforcement from rotating, and withstands the binding nut end with crowbar again, cushion block is arranged at the crowbar bottom; Binding nut 13 comprises nut 13-1, and is fixed on the door 13-2 with screw one end shutoff on the nut 13-1;
Once more, again the other end of connector is aimed at the evenly firmly precession of free end of the prestressed reinforcement that binding nut is housed;
At last, when the equal interlock of connector 10 both sides prestressed reinforcements also can advance to move back together together, both sides prestressed reinforcement tail end is followed rotation with binding nut locking to prevent prestressed reinforcement, rotary connector, the distance that each precession of prestressed reinforcement that makes connector connect needs;
B, the track plate is positioned at plate seam 2
#, plate seam 5
#Stitch 88 with plate
#The termination of upper strata prestressed reinforcement 15 connect by connector 10; The method of attachment of connector 10 connections is passed through with above-mentioned step a in the termination of described prestressed reinforcement 15;
C, connect the track plate of the section of finishing with connector one end and be positioned at plate and stitch 99
#The termination of upper strata prestressed reinforcement, again the other end of connector and track plate 99 are positioned at plate and stitch 99
#The termination of upper strata prestressed reinforcement connect, when the equal interlock of connector both sides prestressed reinforcement, and can the connector reinforcing be tightened with advancing when moving back, plate stitches 88 simultaneously
#The corresponding upper connector need release, and plate stitches 99
#In the length and the respective panels of connector precession stitch 88
#In the length unanimity that withdraws from of connector;
Be positioned at plate with connector one end connection track plate 77 and stitch 66
#The termination of upper strata prestressed reinforcement, again the other end of connector and track plate 66 are positioned at plate and stitch 66
#The termination of upper strata prestressed reinforcement connect, when the equal interlock of connector both sides prestressed reinforcement, and can the connector reinforcing be tightened with advancing when moving back, plate stitches 55 simultaneously
#The corresponding upper connector need release, and plate stitches 56
#In the length and the respective panels of connector precession stitch 55
#In the length unanimity that withdraws from of connector;
Be positioned at plate with connector one end connection track plate 44 and stitch 33
#The termination of upper strata prestressed reinforcement, again the other end of connector and track plate 33 are positioned at plate and stitch 33
#The termination of upper strata prestressed reinforcement connect, when the equal interlock of connector both sides prestressed reinforcement, and can the connector reinforcing be tightened with advancing when moving back, plate stitches 22 simultaneously
#The corresponding upper connector need release, and plate stitches 33
#In the length and the respective panels of connector precession stitch 22
#In the length unanimity that withdraws from of connector;
D, track plate 1 are positioned at plate seam 00
#The upper strata prestressed reinforcement lock with hydraulic jack, check as stretching force;
E, to plate seam two to 92
#, 3
#, 4
#, 5
#, 6
#, 7
#, 8
#, 9
#The every prestressed reinforcement in upper strata connects tensioner, and the connector of odd and even numbers plate seam alternately is fixedly clamped, and alternately simultaneously applies prestressing force synchronously to connecting tensioner, makes the prestressing force of every prestressed reinforcement reach 60～80% of design prestress value.Construction finishes, as shown in figure 10.
Disclosed all features in this manual, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this manual (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (4)
1. nine-connecting-plate connective tensioning construction method for road bed is characterized in that: comprise following processing step:
9 blocks of track plates one to nine (1,2,3,4,5,6,7,8,9) are placed on the line in turn, between every adjacent two of 9 blocks of track plates one to nine (1,2,3,4,5,6,7,8,9) to plate seam one to nine (1,2,3,4,5,6,7,8) should be arranged, track plate one (1) and plate seam zero (0) is not arranged between the construction section, track plate nine (9) have plate to stitch nine (9) between the track plate in highway section with having constructed to finish;
The connection of the first step, lower floor's prestressed reinforcement and stretch-draw:
A, plate seam one (1), plate seam four (4) and plate are stitched all track slab prestress reinforcing bars of seven (7) levels respectively move back certain distance, this distance is stitched the connector that the both sides prestressed reinforcement is connected with plate and is as the criterion putting into;
B, the track plate is positioned at the termination that plate seam one (1), plate seam four (4) and plate stitch lower floor's prestressed reinforcement of seven (7) is connected by connector, described connector is the cuboid nut that two is provided with positive and negative screw thread;
C, track plate three (3), track plate six (6) and track plate nine (9) are positioned at plate seam (2), plate seam (5) and plate stitch all prestressed reinforcements of eight (8) and respectively move back certain distance, this distance is stitched the connector that the both sides prestressed reinforcement is connected with plate and is as the criterion putting into;
D, the track plate is positioned at the termination that plate seam (2), plate seam (5) and plate stitch lower floor's prestressed reinforcement of eight (8) is connected by connector;
E, will be positioned on the screw rod of prestressed reinforcement termination of plate seam zero (0), plate seam three (3), plate seam six (6) and plate seam nine (9) and be with high-strength nut, and high-strength nut will be screwed in extremely near track plate end face;
Be positioned at the termination of lower floor's prestressed reinforcement of plate seam nine (9) with the connector one end connection track plate of the section of finishing, the other end with connector is connected with the termination that track plate nine (9) is positioned at lower floor's prestressed reinforcement of plate seam nine (9) again, when the equal interlock of connector both sides prestressed reinforcement, and can advance when moving back together together, the connector reinforcing is tightened, simultaneously plate seam eight (8) corresponding lower floor's connectors need release, and it is consistent that the length of the connector precession in the plate seam nine (9) and respective panels are stitched the length that the connector in eight (8) withdraws from;
Connect the termination that track plate seven (7) is positioned at lower floor's prestressed reinforcement of plate seam six (6) with connector one end, the other end with connector is connected with the termination that track plate six (6) is positioned at lower floor's prestressed reinforcement of plate seam six (6) again, when the equal interlock of connector both sides prestressed reinforcement, and can advance when moving back together together, the connector reinforcing is tightened, simultaneously plate seam five (5) corresponding lower floor's connectors need release, and it is consistent that the length of the connector precession in the plate seam five (6) and respective panels are stitched the length that the connector in five (5) withdraws from;
Connect the termination that track plate four (4) is positioned at lower floor's prestressed reinforcement of plate seam three (3) with connector one end, the other end with connector is connected with the termination that track plate three (3) is positioned at lower floor's prestressed reinforcement of plate seam three (3) again, when the equal interlock of connector both sides prestressed reinforcement, and can advance when moving back together together, the connector reinforcing is tightened, simultaneously plate seam two (2) corresponding lower floor's connectors need release, and it is consistent that the length of the connector precession in the plate seam three (3) and respective panels are stitched the length that the connector in two (2) withdraws from;
F, track plate one (1) are positioned at lower floor's prestressed reinforcement of plate seam zero (0) locks with hydraulic jack, checks as stretching force;
G, every prestressed reinforcement of plate seam two to nine (2,3,4,5,6,7,8,9) lower floor is connected tensioner, the connector of odd and even numbers plate seam alternately is fixedly clamped, and alternately simultaneously apply prestressing force synchronously to connecting tensioner, make the prestressing force of every prestressed reinforcement reach 60～80% of design prestress value;
The connection and the stretch-draw of second step, upper strata prestressed reinforcement:
The upper strata prestressed reinforcement of 9 blocks of track plates one to nine (1,2,3,4,5,6,7,8,9) respective panels seam one to nine (1,2,3,4,5,6,7,8,9) is connected and stretch-draw, its connection and the prestressed reinforcement step B to G of the described lower floor of the method for stretching and the first step be described be connected identical with method for stretching.
2. a kind of nine-connecting-plate connective tensioning construction method for road bed according to claim 1, it is characterized in that: the method for described in the connection of described steps A, step C and the described second step upper strata prestressed reinforcement and the stretch-draw track slab prestress reinforcing bar respectively being moved back the certain distance employing is as follows: prop up at track plate end face and put the cushion block that is used to support crowbar, wait to move back the prestressed reinforcement termination with the crowbar aligning and evenly firmly advance, make prestressed reinforcement retreat to the position of needs.
3. a kind of nine-connecting-plate connective tensioning construction method for road bed according to claim 2 is characterized in that: the termination of described prestressed reinforcement is as follows by the method for attachment that connector connects:
One end of connector is screwed in a side prestressed reinforcement termination;
Binding nut is equipped with in another termination of the prestressed reinforcement that will be connected with this prestressed reinforcement, with spanner binding nut is fixedly prevented the prestressed reinforcement rotation, withstands the binding nut end with crowbar again, and cushion block is arranged at the crowbar bottom;
Again the other end of connector is aimed at the evenly firmly precession of free end of the prestressed reinforcement that binding nut is housed;
When the equal interlock of connector both sides prestressed reinforcement and can be with advancing when moving back, both sides prestressed reinforcement tail end is followed rotation with binding nut locking to prevent prestressed reinforcement, rotary connector, the distance that each precession of prestressed reinforcement that makes connector connect needs.
4. a kind of nine-connecting-plate connective tensioning construction method for road bed according to claim 3 is characterized in that: described binding nut comprises nut, and is fixed on the door with screw one end shutoff on the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103127446A CN101761000B (en) | 2009-12-30 | 2009-12-30 | Nine-connecting-plate connective tensioning construction method for road bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103127446A CN101761000B (en) | 2009-12-30 | 2009-12-30 | Nine-connecting-plate connective tensioning construction method for road bed |
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| Publication Number | Publication Date |
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| CN101761000A true CN101761000A (en) | 2010-06-30 |
| CN101761000B CN101761000B (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535272A (en) * | 2012-01-05 | 2012-07-04 | 中铁二局股份有限公司 | Construction method for post-stretched pre-stress longitudinal connection of road bed track slabs |
| CN105952045A (en) * | 2016-05-17 | 2016-09-21 | 浙江大学 | Pre-stress post-pouring floor construction method |
| CN114808592A (en) * | 2022-04-19 | 2022-07-29 | 中建科技集团有限公司 | Assembled airport pavement and construction method thereof |
| CN115416153A (en) * | 2022-09-19 | 2022-12-02 | 涿州市恒旗建材有限公司 | Long-direction stretching steel die prestress production process |
-
2009
- 2009-12-30 CN CN2009103127446A patent/CN101761000B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535272A (en) * | 2012-01-05 | 2012-07-04 | 中铁二局股份有限公司 | Construction method for post-stretched pre-stress longitudinal connection of road bed track slabs |
| CN105952045A (en) * | 2016-05-17 | 2016-09-21 | 浙江大学 | Pre-stress post-pouring floor construction method |
| CN105952045B (en) * | 2016-05-17 | 2018-05-29 | 浙江大学 | Floor construction method is poured after a kind of prestressing force |
| CN114808592A (en) * | 2022-04-19 | 2022-07-29 | 中建科技集团有限公司 | Assembled airport pavement and construction method thereof |
| CN115416153A (en) * | 2022-09-19 | 2022-12-02 | 涿州市恒旗建材有限公司 | Long-direction stretching steel die prestress production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101761000B (en) | 2011-09-14 |
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