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Typical parameters for liquid limit (wL), plastic limit (wP) and plasticity index (IP) of several soil types, can be found in the table.

The plasticity index IP is illustrated in the plasticity diagram subject to the liquid limit wL.

(Table: Typical parameters for wL, wP and IP of selected types of soil)
(Image: Plasticity diagram according to Casagrande with soil groups to DIN 18196)

Jun 22, 2023

Dokumentationen

Rehabilitation of a DN 400 concrete sewer section with “Lining with Cured-In-Place Pipes” (product name: SAERTEX-LINER® MULTI, type S+ Standard). The aim of the rehabilitation measure was the static strengthening and the restoration of the tightness of the old sewer.

The light source, hereinafter also referred to as a light chain, consists of a defined number of sections that have one or more UV lamps. The sections of the light chain have wheel sets that ensure an almost centric positioning of the UV lamps in the lining tube. In this application, each section of the light chain had one UV lamp. The entire light chain consisted of 9 sections (9 x 400/600 Watt). The UV lamps were visually inspected on-site and …

Aug 21, 2020

News

Tentamus Group GmbH

At Tentamus Group, we are happy to announce the launch of a new web tool capable of combining the results of the analysis of the coronavirus (SARS-CoV-2) in wastewater together with indicators of health evolution: TENTAMUS WATCHER.

Sep 03, 2020

News

Kim Genardo

Along a well-traveled stretch of Winston-Salem’s Peters Creek Parkway, local motorists and visitors can’t miss the colorful, 50-foot-tall otter. Stretching 290 feet across the ground-level water tank, the artwork is a nod to both the local water supply and the North American River Otter that is indigenous to the Yadkin River.

Sep 24, 2020

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Matthew Brennan

Esco Tool has introduced a new clamshell style, O.D. mounted split frame machine that features fast, accurate, and easy to setup indexable tooling to part and bevel tube and pipe from 2” to 48” dia.

Sep 25, 2020

News

Irish Water

Irish Water’s Kilkenny Sludge Project has been recognised at the prestigious Water Industry Awards, which promotes excellence in the water industry across the UK and Ireland.

Sep 28, 2020

News

Pipeline Renewal Technologies

A Guide to Bidding on and Winning Government Contracts

May 26, 2022

News

Louise Elliott

Water industry training programmes have had to undergo a transformation to ensure essential learning continues during the coronavirus pandemic. Ceris Van de Vyver, head of technology and training at global innovation consultancy Isle, shares insights into delivering training virtually.

Oct 02, 2020

News

Louise Elliott

Water utilities who already had remote access to their systems were at an advantage when Covid-19 lockdowns were introduced around the world. The information comes from a report carried out by technology consultancy Isle on behalf of the Water Action Platform collaborative initiative.

Oct 13, 2020

News

Envirosight

Request a free illustrated guide to sewer inspection trucks.

Oct 19, 2020

News

Colleen McKenna

Experienced software providers team up to offer asset management, regulatory compliance tools for distribution and collection teams

Oct 20, 2020

News

Tyler D. Sandell

On July 1st, 2020, The Atkinson / Technique Joint Venture entered into a contract with Kelley Engineered Equipment (KEE) for the supply of a 90.25” (2.3 m) digger shield. On August 15th, just Six weeks later, the machine was on site and ready to work. Averaging about 5.3’ (1.6 m) per day, the distance needed to install 4 rings of liner plate, the shield finished its drive on October 6th, 2020.

Oct 21, 2020

News

Lila Thompson

British Water chief executive Lila Thompson says a new Memorandum of Understanding (MoU) agreed between India and the UK’s leading water sector trade association will “bring a great boost” to trading relationships between the two countries. Thompson’s comments came at the India-UK Water Partnership Forum, a virtual event which took place on 22 September 2020.

Oct 22, 2020

News

Louise Elliott

Water companies can expect increasing scrutiny into their environmental performance, as customer awareness of river and bathing water quality grows. This was among messages from Helen Wakeham, deputy director of water quality at the Environment Agency, during a keynote address at the Zero Pollutions Conference 2020, hosted by technology consultancy Isle.

Oct 23, 2020

News

Todd Versteeg

Vermeer expands its horizontal directional drilling (HDD) fluid management equipment line with the new R600T reclaimer.

Oct 26, 2020

News

Lianne Ayling

Data from a study to improve optimisation of SAF wastewater treatment systems is the focus of a presentation from WPL that took place at the 2020 European Water & Wastewater Management conference on 13-14 October.

Oct 27, 2020

News

Jeff Smith

Hoffman Southwest Corp., a provider of underground pipe inspection, cleaning, repair and locating services throughout the U.S., announced that the company changed its name to National Underground Group.

Jun 27, 2019

Animation

Replacement of a damaged pipeline over the length of two sections, consisting of DN 300 concrete pipes, in trenchless construction using the dynamic bursting method with simultaneous insertion of a DN 300 HDPE pipe string with an outside diameter of 350 mm.

Nov 03, 2020

News

Antoinette Maiella

MWH Treatment (MWHT) has successfully secured a place on Thames Water's non-infrastructure framework for the asset management period 2020-25 (AMP7).

Nov 04, 2020

News

Aiofe Kelleher

A powerful documentary that aims to drive positive change in water is set to reach a global audience of millions.

Nov 06, 2020

News

Desiree Willis

Tried and tested TBM and conveyor complete Ohio River Tunnel.

Nov 09, 2020

News

Anna Gemolas

DuPont was nominated for the Best Corporate Steward category for its efforts to help global communities thrive through increased access to safe, clean water.

Nov 17, 2020

News

Medhat Juma

Zayed Sustainability Prize finalist’s technology delivers a source of vital clean water to vulnerable communities.