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Leveling in Surveying Concept To Concrete
24/02/2026

Leveling in Surveying

Concept To Concrete


Bentonite Uses in Piling:Stabilisation of soil is essential for the pile’s quality, time and cost economy. Stabilisation...
23/02/2026

Bentonite Uses in Piling:

Stabilisation of soil is essential for the pile’s quality, time and cost economy. Stabilisation of soil depends on soil characteristics, mainly on cohesive factors and angle of friction.

Types of Collapses During Pile Construction:

There are different types of bore collapse observed during piling operation, which are as under.

Collapse During Pile Boring:
During pile boring operation, the collapsing soil of the borehole increases the diameter of the pile borehole irregularly increases the clear cover of the reinforcement bars. This affects not only the pile’s quality but also the economy. This is due to over breakage. Pouring of concrete in pile bore will be more than the requirement to fill the over breakage volume.

Collapse Before pouring concrete:
After flushing the borehole bottom and before pouring concrete into the pile bore, if the side soils of the borehole collapse, again loose muck will be deposited at the pile bottom, which affects the quality and end bearing capacity of the pile adversely.

Collapse During Pile concrete:
During concreting, there is a chance of producing some soil pockets inside the build-up concrete, which may cause damage to the pile shaft and decrease the load-bearing capacity of the pile.

Factors Affecting Soil collapse:
The following factors played a significant role in soil collapse.

Cohesiveness and angle of friction.
The density of soil.
Pore water pressure.
Vibration.
Borehole depth.
The fluid inside the pile bore.

Why Concrete Temperature Test Matters?Like most construction materials, concrete is highly sensitive to temperature. If ...
17/02/2026

Why Concrete Temperature Test Matters?

Like most construction materials, concrete is highly sensitive to temperature. If it becomes too cold, hydration slows, delaying strength gain or causing incomplete curing. If it gets too hot, especially in mass concrete, thermal cracking may occur.

Concrete has to be relatively warm for it to set and cure properly. It needs to be at least:

40°F (4°C) while poured,
50°F (10°C) when curing.
The demands for a supportive environment are so strict that sometimes an outside heating source is necessary to project warm air near the concrete during cold weather conditions.

A typical mass concrete mixture will generate heat as a result of the hydration process. This process requires the water within the cement to move around and merge. This will create the heat that is necessary for concrete to thrive. However, it still needs to be kept at a temperature where this process can actually be sustainable.

Contractors must carefully analyze the concrete mixture so it will solidify and stay strong for years to come. Concrete that is not set properly may have a hard time solidifying and can end up having very poor quality.

This shows the importance of testing temperature. A temperature monitoring device can help you out in cold and hot weather conditions to protect the concrete (surface).

: Agrabad, Chattogram

: CCECC (China Civil Engineering Construction Company)

Address

Chittagong
4200

Telephone

+8801608453861

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