Wastewater soil absorption systems (WSASâ„¢s) have the potential to achieve high treatment efficiencies, yet the understanding and predictability of performance as well as the risk of inadequate function has not been fully quantified. This has been due to the complex and dynamic relationships between hydraulic and purification processes and the factors that control their behaviors. This paper provides an overview of WSAS process principles and performance, and then describes initial experimental research completed as part of a long-term pro ....etc

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Use of plastic products such as polythene bags, bottles, containers and packing strips etc. is increasing day by day. As a result amount of waste plastic also increased. This will leads to various environmental problems. Many of the wastes produced today will remain in the environment for many years leading to various environmental concerns. Therefore it is necessary to utilize the wastes effectively with technical development in each field. Many by-products are being produced using the plastic wastes. This paper presents the details of studies ....etc

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SOIL NAILING


INTRODUCTION
Soil Nailing is a procedure to reinforce and strengthen ground adjacent to an excavation by installing closely spaced steel bars called nails ,as construction proceeds from top down.

It is an effective and economical method of constructing retaining wall for excavation support, support of hill cuts, bridge abutments and high ways.

This process is effectively in cohesive soil, brocken rock, shale or fixed face conditions.


HISTORY OF SOIL NAILING
Soil nail technolog ....etc

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Abstract:
In this seminar the analysis of soil-structure interaction effects and of multiple support excitation on the seismic response of long-span cable-supported bridges are presented. The purpose of this seminar is to provide a better understanding of the dynamic performance of cable supported bridges under earthquake excitation, considering the spatial variability of the ground motion and the complex phenomena of soil-bridge interaction, so that such effects can be included in the design and rehabilitation process. Amplification of struct ....etc

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1.The dynamic viscosity of most of the gases______________with rise in temperature.
(A)Increases(B) Decreases
(C ) Does not change significantly (D) None of these

2.)Buoyant force is___________.
(A)Resultant of up thrust and gravity forces acting on the body
(B)Resultant force on the body due to the fluid surrounding it
(C )Equal to the volume of liquid displaced by the body
(D)Resultant of static weight of body and dynamic thrust of liquid

3.)The type of flow in which the velocity of every particle varies from ....etc

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Reinforced soil is composite material which is formed by the associating of frictional soil and tension resistant elements in the form of sheets, strips, nets or mats of metal, synthetic fabrics or fibre reinforced plastics and arranged in the soil mass in such a way as to reduce or supress the tensile strain which night develop under gravity and boundary forces. It is well known that most granwar soils are strong in compression and shear and weak in tension. The performance of such soils can be improved by introducing reinforcing elements in t ....etc

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ENGINEERING BEHAVIOUR OF STABILIZED PEAT SOIL


INTRODUCTION
Peat and organic soil represents the extreme form of soft soil.
At its initial state peat has high compressibility and water holding capacity, low

specific gravity and medium to low permeability .
Consequently it is widely regarded as a problematic soil .
In practice it is economical to stabilize the soil by dry mixing the soil with binder

to form columnar reinforcement in deep peat ground .

DEFENITION
PEAT SOIL
Peat soils are f ....etc

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Please send soilnailing pdf ....etc

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EFFECT OF ELECTRO OSMOTIC TECHINQUE IN CONSOLIDATION OF SOIL

INTRODUCTION
Electro osmotic consolidation means the consolidation of soft clays by the

application of electric current.
It was studied and applied for the first time by Casagrande.
It is inherent that fine grained clay particles with large interfacial surface will

consolidate and generate significant settlement when loaded.
The settlement creates problem in the foundation engineering.
Electro osmosis was originally developed as a means of dewatering fine graine ....etc

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Reinforced soil is composite material which is formed by the associating of frictional soil and tension resistant elements in the form of sheets, strips, nets or mats of metal, synthetic fabrics or fibre reinforced plastics and arranged in the soil mass in such a way as to reduce or supress the tensile strain which night develop under gravity and boundary forces. It is well known that most granwar soils are strong in compression and shear and weak in tension. The performance of such soils can be improved by introducing reinforcing elements in t ....etc

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