Civil Engg, Building, Road, Construction Ideas & Guides
Category: water
Testing of leakage of Sewer Pipe Joints The leakage in the pipe joints or any other points is tested by water test or air test. a) Water Test This test is carried out between two manholes. The lower end of the sewer line is provided with a plug and the upper is kept open. In the … Continue reading Method of Testing (Water and Air testing) of Leakage of Sewer Pipe Joints
Effect of Impurities in Water on Properties of Concrete The impurities in water used for the preparation of concrete may affect the properties of concrete in the following way: a) The strength & durability of concrete may be reduced due to the presence of impurities in the mixing water. Experiments show that water containing an … Continue reading Effect of Impurities in Water on Properties of Concrete
Role of Water in Concrete Water is the most important & least expensive ingredient of concrete.It plays an important role in mixing, laying, compaction, setting & hardening of concrete. The strength of concrete depends on the quality & quantity of water used in the mix. The functions of water in the concrete mix are given … Continue reading Role and Quality of Mixing Water in Concrete
Factors affecting the quantity of sanitary sewage The quantity of sanitary sewage or D.W F is mainly affected by the following factors: 1) Rate of water supply The quantity of sanitary sewage varies with the rate of water supply. The rate of water supply is not constant, but it fluctuates. These fluctuations may be seasonal, … Continue reading Factors Affecting The Quantity Of Sanitary Sewage
Sanitary Sewage Sanitary sewage includes liquid wastes of domestic and industrial places. Storm Sewage Storm sewage includes surface runoff developed during and immediately after the rainfall over the concerned area. Dry Weather Flow(D.W.F) The sanitary sewage which flows in dry season is known as dry weather flow.It consists of two types of sewage:a) Domestic sewage.b) Industrial … Continue reading What is Sanitary and Storm Sewage, Dry And Wet Weather Flow
WHAT IS INFILTRATION When water falls on a given formation, a small part of it is, first of all, absorbed by the top thin layer of soil, so as to replenish the soil moisture deficiency. Thereafter, any excess water moves downward where it is trapped in the voids and becomes groundwater. This process, whereby, water enters … Continue reading What is Infiltration – Infiltration Rate and Capacity
Factors Affecting The Rate of Water Demand Following 10 factors affecting the rate of water demand: Size of city Climatic condition Types of gentry and habits Industrial and commercial activity Quality of water supply The pressure in distribution systems Development of sewage facility System of supply Cost of water Policy of metering Read More: Factors … Continue reading 10 Factors Affecting The Rate of Water Demand