What is open timbering?
The usual method of setting timber or steel supports in mines–they are spaced from 2 to 5 ft (0.6 to 1.5 m) apart, with laggings and struts to secure the ground between each set. The method is used in ground that does not crumble or flow.
What is trench timbering?
Timbering of trenches, sometimes also known as shoring consists of providing timber planks or boards and struts to give temporary support to the sides of the trench.
What is close timbering in trenches?
The lining of an excavation or trench with boards having no space between them.
What is timbering of trench excavation?
This is the process whereby temporary support are provided to the sides of an excavation so that the trench will remain open for easy access. Timbering is also called planking or strutting.
What is timbering in civil engineering?
Timber denotes wood which is suitable for building or carpentry and for various engineering and other purposes. It has been extensively used as beams, columns and plates in construction in a variety of situations, such as foundation, flooring, stairs and roofing.
What are the materials used for timbering trenches?
The exigencies of the situation require further improved method for protection of the trench sides — sheet piling is adopted. Sheet piles may be of timber, steel or concrete. These are driven in the ground by mechanical means. The sheet piles are costly, specially the steel piles.
What are different methods of timbering of trenches?
Timbering of deep trenches can be done with the help of the following methods: Stay bracing. Box sheeting. Vertical sheeting.
What is closed timbering?
The setting of timber sets and lagging very close together when shaft sinking or tunneling through very loose ground or crushed coal in thick seams.
What are different methods of timbering?
What are the types of timbering?
This article presents a list of types of timber used in the construction industry, with links to articles providing further information.
- Bamboo.
- Birch.
- Cane.
- Cedar.
- Cherry.
- Cross-laminated timber.
- Engineered bamboo.
- Glulam.
What are the different methods of timbering of trenches?
How is the timbering of a trench done?
Timbering of trenches, sometimes also known as shoring consists of providing timber planks or boards and struts to give temporary support to the sides of the trench. Timbering of deep trenches can be done with the help of the following methods: 1. Stay bracing. 2. Box sheeting 3. Vertical sheeting 4. Runner system 5. Sheet piling.
How is the problem of shoring a trench solved?
The problem can be solved by adopting a suitable method of timbeting. Timbering of trenches, sometimes also known as shoring consists of providing timber planks or boards and struts to give temporary support to the sides of the trench.
What to do when the sides of a trench cave in?
When the depth of trench is large, or when the sub-soil is loose, the sides of the trench may cave in. The problem can be solved by adopting a suitable method of timbeting. Timbering of trenches, sometimes also known as shoring consists of providing timber planks or boards and struts to give temporary support to the sides of the trench.
What do you use to strut a trench?
Timbering of trenches, sometimes also known as shoring consists of providing timber planks or boards and struts to give temporary support to the sides of the trench. Timbering of deep trenches can be done with the help of the following methods: Stay bracing. Box sheeting. Vertical sheeting. Runner system. Sheet piling.