Sandblasting is a method to texture the surface of hardened concrete on patio, walls, columns, driveways, floors to remove paint or expose aggregates. The extent of sand blasting ranges from light cleaning to a deep cutting operation that exposes aggregates ...
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Concrete Grade Beam Construction Process
What is concrete grade beam? Grade beams are commonly concrete beams which are designed to act as horizontal ties between footings or pile caps. They should be reinforced with continuous reinforcement that is developed within or beyond the supported column, ...
How to Check Quality in Concrete Construction
Quality of the concrete plays an important role in the construction field as the concrete is the excessive element in any construction. The strength parameters such as durability, load bearing strength and resistance to environmental factors such as wind, snow ...
Characteristics of Ground Movements Induced by Excavations
It is crucial for engineer to have adequate information regarding possible ground movements and identify its characteristics to consider proper measures against such undesired movement. Characteristics of ground movements include shape and type of ground surface settlement, influence zones of ...
How to Set Up Dewatering Plan for Excavations?
Procedures used for dewatering plans for an excavation includes selection of dewatering method, determination of hydraulic parameter, determination of the well capacity and Estimation the number of wells. Fig.1: Dewatering Excavations Set Up Dewatering Plan for Excavations 1. Selection of ...
Methods of Excavation Used for Deep Foundation Construction
There are number of excavation methods which are used for deep foundation construction such as full open cut method, bracing excavation, anchored excavation, island excavation methods,zoned excavation, top down construction methods etc. These excavation techniques are discussed. Fig.1: Excavation for ...
What are the Causes of Failure in Deep Excavations?
There are various factors that may lead to failure in open and braced deep excavations. Those factors will be discussed briefly. Causes of Failure in Deep Excavations Causes of failure in deep excavation are divided into two subtopics which include: ...
Methods of Groundwater Control in Excavations at Construction Sites
Groundwater causes extreme problems in excavations such as sand running for most of construction projects. Methods of groundwater control in excavation is discussed.