CONDITION ASSESSMENT OF A GRIENFIELD TOWER

Quality Assessment of a Greenfield Telecommunication Tower

A collapse in tall greenfield steel tower used in telecommunication or transmission work will result a serious damage to the nearby properties or people. Hence it is essential to monitor the quality of the towers periodically.

In a quality check the assessors have to asses the quality of foundation for any decay or settlements, quality of the steel members and the connections, quality of earthing of tower, quality of the equipment mounted, etc.

Sample assessment report on the verticality and the quality of foundation is shown below.

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BORED AND CAST IN SITU PILES

Bored and cast in-situ piles or bored & cast in place piles carries the process of installation in the name it self. A bored and cast in-situ pile is installed by boring the soil and or rock using heavy machinery and pouring concrete to the bored hole with or without steel reinforcement. Figure: Rotary drilling machines in the process of pile boring You can watch the detailed process in video form the following link https://www.youtube.com/watch?v=u6YGxSzvmKo You can check more details from the following link MOS for Bored Cast In situ Pile Installation https://engcivilstuff.blogspot.com/2020/03/bored-piling-installation-by-rotary.html

MOCK UP TEST FOR LARGE CONCRETE POURS - TEMPERATURE MONITORING

Mass concrete is defined as "any volume of concrete with dimensions large enough to require that measures be taken to cope with the generation of heat from hydration of cement and attendant volume change to minimize cracking." [ ( ACI Committee 207–Mass and Thermally Controlled Concrete ) Mass concreting can result in high temperatures in concrete core during hydration process. Which can result thermal cracking of concrete in a severe way. Basically the temperature variance (in different locations of the concreted element) or the temperature gradient will cause the thermal cracking.

SHEET PILING

Sheet Piling is a common solution for temporary shoring work in deep excavations in the field of civil engineering. Sheet pile is a steel pile with the shape of letter C. Width, thickness, length and the shape of the sheet piles are in different categories. Normally the widths are in the range of 300mm to 700mm. And the length of the piles are normally 6m or 12m. Sample sizes of sheet piles are shown in above table.

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