Search Results: 'Sika'

Low carbon backfill grout
24 January, 2024
Sika is launching a new reduced carbon backfill grout for TBMs, called Sika® Stabilizer-7100 TBM. Mike A. Sposetti, Global Technical Manager (TBM), Underground Construction with Sika Group AG explains the background and provide details

BTSYM workshop – waterproofing in tunnels
29 December, 2023
Earlier this year, BTSYM held a workshop where young members heard from Sika UK’s Head of Infrastructure, Sarah Langley, on the basics of waterproofing for tunnels. After attended the highly informative event, Avantika Raj, Tunnel Engineer with Dr Sauer & Partners, prepared this report for T&T

Insertable certainty
30 August, 2022
R&D efforts have produced a ‘plug-in’ safety door with made-to-measure fit for tunnel cross passages

Monitoring of soil conditioning parameters during EPBM excavation
29 October, 2021
Sika employees Dr Oscar Marazzini, Kanokwan Chuanak, Philippe Doriot and Manfredo Belohuby, look at how lab results can be correlated and applied on site, and how lab trials can give reliable, usable results to improve the success of future projects, avoiding costly errors and delays

Connecting HS2 at Euston
22 September, 2020
Work on the UK’s new HS2 high-speed rail line is on track. Emma Hale and Christoph Eberle of Mott MacDonald describe one of the line’s first underground structures to be built in London

Deepest and Longest
07 May, 2019
Yves Boissonnas, head of tunnelling at Sika Europe Management, the guest speaker at the January BTS lecture, provided a presentation on the Gotthard Base Tunnel

Bonding well
06 September, 2017
To repair a limestone block tunnel more than 120 years old, a local watershed agency and its engineering consultant devised a solution using shotcrete to create a tunnel in a tunnel. Nicole Robinson reports on the Trout Brook Storm Sewer Interceptor’s rehabilitation

Bonding well
29 August, 2017
To repair a limestone block tunnel more than 120 years old, a local watershed agency and its engineering consultant devised a solution using shotcrete to create a tunnel in a tunnel. Nicole Robinson reports on the Trout Brook Storm Sewer Interceptor’s rehabilitation

The expanse macabre
29 May, 2017
Rolzur Eternal Green Solutions is constructing an underground mausoleum in Israel to meetthe growing demand for burial space. Alex Conacher reports

WTC 2016
01 April, 2016
Registration is open for the worldwide tunnelling event of the year, with as many as 600 unique technical presentations, short courses and breakout sessions, and more than 200 exhibitors from around the world. Here’s a look at the highlights planned for this year’s conference and be sure to visit Tunnels & Tunnelling at Booth 1215 at this year’s WTC in San Francisco.

Finishing India’s longest
18 June, 2012
Following tunnel excavation breakthrough last September, and the final blast in April this year, work is continuing on the long and notoriously difficult Panjal railway tunnel in India to complete support lining including some necessary ground reinforcement work. Maurice Jones reports on the latest progress

Membranes in the mix
22 July, 2011
There are many approaches to trying to keep a tunnel permanently dry, and as many factors in whether a method is a success. Maurice Jones enters the battle between competing membrane systems

BUSINESS DEVELOPMENT MANAGER BU CONCRETE AP – CEMENT ADDITIVES
07 March, 2011
“GREAT OPPORTUNITIES WITHIN SIKA”

Regional Application Field Manager - Concrete Refurbishment & Strengthening (including Cementitious Grouts)
07 March, 2011
“GREAT OPPORTUNITIES WITHIN SIKA”

BUSINESS DEVELOPMENT MANAGER TUNNELLING AP
07 March, 2011
“GREAT OPPORTUNITIES WITHIN SIKA”

Lining with security and efficiency
14 February, 2011
Second only to the ‘excitement’ of watching paint dry in frustration stakes, at least in tunnelling, is waiting for concrete to cure. Maurice Jones examines how formwork and concrete mixtures are increasing the efficiency of cast in situ concrete tunnel lining

The unforeseen struggle in the south
06 December, 2010
Unexpected squeezing, rockbursting and heat made the southern contracts exceptionally difficult testing both human and technical capabilities

Tunconstruct reports
24 August, 2010

Meeting shotcrete specifications
23 March, 2010
In the long history of shotcrete, or sprayed concrete, linings underground, never has so much been expected of them. In the transition in scope from hard rock primary support to soft ground permanent support, shotcrete is now expected to create structures under even more demanding conditions, but still at comparatively low cost. Here technical editor Maurice Jones reviews the state of some developments designed to meet such demands

Performing seals control hazard
05 June, 2008
Ensuring a completely waterproof tunnel for its entire design life can be an expensive and inexact task. Maurice Jones looks at the latest techniques to make sure tunnel users don’t get their feet wet