Question

In construction practice Answer the following :

1- Briefly describe the process of reshoring

2- What is the main advantage of snap ties over other form ties

3- What is the difference between a control joint, isolation joint and a construction joint

Answer 1

1)process of Reshoring :

1) Installation of the formwork.

​​​​​​2) Casting the concrete slab.

3) stripping the formwork and shores to allow slab to deflect and carry its own weight.

4) Removal of reshores from the lowest interconnected level.

5) Placing the reshores in the story where the formwork was stripped.

6) cycling the formwork to next storey

2)Advamtages of snap ties over other form ties:

* Snap tie have more safe working condition over other tie forms

3) construction joints are where there is a natural time difference between placements . Isolation joints are accommodate anticipated differential horizontal and vertical movements that occur between pavement and structure

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