The method of construction of the superstructure on oblique bridges and device for sliding spans

 

The invention relates to a method of construction of the superstructure on oblique bridges and to the device for the sliding spans. The method of construction of the superstructure consists of construction of a building on the approaches to the bridge, the arrangement nacatoch ways on the supports of the bridge and on the slipway erection pushing equipment, converso-rear Assembly areas of the superstructure, mounted on the floating structure of averbeke and consistent sliding collected on the slipway areas of the superstructure bearing of avanca on the bridge supports. New is the fact that during the construction on oblique bridges Amanbek mounted in two stages: pre-attached on the axis of the superstructure of the main, Central Amanbek, then mount additional Amanbek length, shorter length of the main, Central averbeke, which come from the side of the obtuse angle of the anterior part of the superstructure, ensuring in the process of sliding spans preliminary, advanced bearing on the supports of the bridge main, Central averbeke and subsequent pressure on the bridge supports additional averbeke. A new device for the sliding of the superstructure, including stocks on the approaches to the bridge, Nakatomi p is, situated along the axis of the superstructure, averbeke and additional averbeke, length, shorter length of the main, Central averbeke that is attached from the side of the obtuse angle of the anterior part of the superstructure. The technical result of the invention consists in providing in the process of sliding speed perception of vertical loads and torque with maximum use of carrying capacity nedvijimogo of the superstructure. 2 N. p. F.-ly, 3 ill.

The invention relates to a method of construction of the superstructure on oblique bridges and device for sliding spans.

A known method of construction of the superstructure, consisting in the construction of the building on the approaches to the bridge, the arrangement nacatoch ways on the supports of the bridge and on the slipway erection pushing equipment, converso-rear Assembly areas of the superstructure, mounted on the floating structure of averbeke and consistent sliding collected on the slipway areas of the superstructure bearing of avanca on the supports of the bridge /1/.

The disadvantage of this method is that it cannot be used when mounting the angled bridges because of the difficulties of perception torque, problem is I bridge including stocks on the approaches to the bridge, pushing the equipment, Nakatomi path and Amanbek /2/.

The disadvantage of this device is the inability of perception one awebcam large torques arising from the large casinos span.

The objective of the invention is to provide a phased perception of vertical loads and torque for longitudinal sliding spans oblique bridges with angle cosine about 20-30 degrees.

The task in the part object “method” is solved due to the fact that the method of construction of the superstructure, consisting in the construction of the building on the approaches to the bridge, the arrangement nacatoch ways on the supports of the bridge and on the slipway erection pushing equipment, converso-rear Assembly areas of the superstructure, mounted on the floating structure of averbeke and consistent sliding collected on the slipway areas of the superstructure bearing of avanca on the foundations of a bridge according to the invention during the construction on oblique bridges Amanbek mounted in two stages: pre-attached on the axis of the superstructure of the main, Central Amanbek, then mount additional Amanbek length, shorter length of the main, main train and BU is the process of sliding spans preliminary, advanced bearing on the supports of the bridge main, Central averbeke and subsequent pressure on the bridge supports additional averbeke.

The task in the part of the object “device” is solved due to the fact that the device for the sliding of the superstructure, including stocks on the approaches to the bridge, Nakatomi way, pushing equipment and Amanbek, according to the invention Amanbek made of composite core, located along the Central axis of the superstructure of averbeke and additional averbeke, length, shorter length of the main, Central averbeke that is attached from the side of the obtuse angle of the anterior part of the superstructure.

The invention is illustrated by drawings.

In Fig.1 shows a diagram of the sliding spans, side view.

In Fig.2 shows a diagram of the sliding spans in point touch support Central awebcam, top view.

In Fig.3 shows a diagram of a sliding prayogo structure at the moment of touch support additional awebcam, top view.

The method of construction of the superstructure includes the construction of the slipway 1, temporary supports 2 and Nakatomi path 3. On the support 4 is mounted push equipment 5 communicating over jacks p span notroot two averbeke: main, Central 7, located along the axis of the superstructure 6, and additional Amanbek 8, attached from the side of the obtuse angle of the superstructure 6. Additional Amanbek 8 has a length less than the length of the main Central averbeke 7, which provides a stepped perception loads with maximum use of carrying capacity of the superstructure.

The Assembly and the nomination of the superstructure 6 exercise converso-rear manner. On the slipway 1 and approach for pillar 4 assemble the first part of the superstructure 6 and are sliding the assembled parts prior to bearing main Central averbeke 7 Nakatomi path 3 intermediate supports 9, which provides the perception of the vertical loads and torques arising from cosine superstructure 6. Then produce further sliding spans 6 to support additional averbeke 8 Nakatomi path 3 intermediate supports 9. This allows us to perceive fully vertical loads and torques arising from cosine superstructure 6. Then on the cleared area of the building Board 1 is mounted next part of the superstructure 6 and similarly proizvoda, Appl. 18.03.1988,, publ. 23.12.1989,

2. A. Century Kruchinin, W. K. White. “The installation of steel bridge superstructures”, Moscow, “Transport”, 1978, page 196.

Claims

1. The method of construction of the superstructure, consisting in the construction of the building on the approaches to the bridge, the arrangement nacatoch ways on the supports of the bridge and on the slipway erection pushing equipment, converso-rear Assembly areas of the superstructure, mounted on the floating structure of averbeke and consistent sliding collected on the slipway areas of the superstructure bearing of avanca on the bridge supports, characterized in that during the construction on oblique bridges Amanbek mounted in two stages: pre-attached on the axis of the superstructure of the main, Central, Amanbek, then mount additional Amanbek length, shorter length of the main, Central, avanca, which come from the side of the obtuse angle of the anterior part of the superstructure, ensuring in the process of sliding spans pre-advanced bearing on the supports of the bridge main, Central, averbeke and subsequent pressure on the bridge supports additional averbeke.

2. Device for sliding spans, EKO Amanbek made of composite primary Central located along the axis of the superstructure of averbeke and additional averbeke length, shorter length of the main, Central, Amanbek that is attached from the side of the obtuse angle of the anterior part of the superstructure.

 

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