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Microconcrete Model Construction of a Prestressed Suspended Roof

A. P. Hahn

Construction of the microconcrete model revealed that small diameter aircraft cable and microconcrete are excellent model materials. Extensive preliminary material testing must precede the actual construction if satisfactory results are to be achieved. Much forethought must also be given to the design of the model frame so buckling will not occur when heavy loads are applied. Movement of the frame must particularly be avoided in models of suspended roofs because small horizontal movement of the frame results in large vertical deflection of the roof cables. A circular plan form is, therefore, more desirable than a rectangular plan. Weighting of a suspended roof requires a great quantity of material and unless space is reserved under the formwork, the construction of the model is considerably complicated. (Author)

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Microconcrete Model Construction of a Prestressed Suspended Roof

A. P. Hahn

Construction of the microconcrete model revealed that small diameter aircraft cable and microconcrete are excellent model materials. Extensive preliminary material testing must precede the actual construction if satisfactory results are to be achieved. Much forethought must also be given to the design of the model frame so buckling will not occur when heavy loads are applied. Movement of the frame must particularly be avoided in models of suspended roofs because small horizontal movement of the frame results in large vertical deflection of the roof cables. A circular plan form is, therefore, more desirable than a rectangular plan. Weighting of a suspended roof requires a great quantity of material and unless space is reserved under the formwork, the construction of the model is considerably complicated. (Author)

Microconcrete Model Construction of a Prestressed Suspended Roof

A. P. Hahn

Construction of the microconcrete model revealed that small diameter aircraft cable and microconcrete are excellent model materials. Extensive preliminary material testing must precede the actual construction if satisfactory results are to be achieved. Much forethought must also be given to the design of the model frame so buckling will not occur when heavy loads are applied. Movement of the frame must particularly be avoided in models of suspended roofs because small horizontal movement of the frame results in large vertical deflection of the roof cables. A circular plan form is, therefore, more desirable than a rectangular plan. Weighting of a suspended roof requires a great quantity of material and unless space is reserved under the formwork, the construction of the model is considerably complicated. (Author)

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Title:

Microconcrete Model Construction of a Prestressed Suspended Roof

Contributors:

A. P. Hahn (author)

Publication date:

1957

Size:

2 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Roofs , Models(Simulation) , Reinformced concrete , Reinforced concrete , Cables(Mechanical) , Structures , Mathematical analysis , Loading(Mechanics) , Aging (Materials) , Construction

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