Steel anchor systems in tunnel construction
12Pages

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:6.00pt "Arial", sans-serif; } .font1 { font:23.00pt "Lucida Sans Unicode", sans-serif; } HALFEN DEHA YOUR BEST CONNECTIONS

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:10.00pt "Arial", sans-serif; } PRODUCTS IN APPLICATION: TUNNEL CONSTRUCTION Introduction Mountings in tunnel construction Modern industrial societies need efficient and reliable traffic infrastructures. That is true both for road and rail. High speed modes of transport require routes with the gentlest curves and inclined sections with small upward and downward gradients. The topographical conditions in most countries require tunnels and bridges when...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:7.00pt "Arial", sans-serif; } .font1 { font:8.00pt "Arial", sans-serif; } .font2 { font:10.00pt "Arial", sans-serif; } PRODUCTS IN APPLICATION: TUNNEL CONSTRUCTION Contents Application Page Mountings in tunnels construction, rgulations and recommendations 2 Halfen channels for tunnels construction / HCR steel Road tunnels / mounting the lighting systems Road tunnels / reinforcement connections Road tunnels / retrieval anchors Railway tunnels / contact-wire mountings Railway tunnels / earthing the...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:5.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:8.00pt "Arial", sans-serif; } .font3 { font:10.00pt "Arial", sans-serif; } .font4 { font:11.00pt "Arial", sans-serif; } .font5 { font:36.00pt "Arial", sans-serif; } .font6 { font:5.00pt "Franklin Gothic Medium", sans-serif; } .font7 { font:11.00pt "Lucida Sans Unicode", sans-serif; } .font8 { font:17.00pt "Lucida Sans Unicode", sans-serif; } .font9 { font:41.00pt "Lucida Sans Unicode", sans-serif; } .font10 {...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:10.00pt "Arial", sans-serif; } ROAD TUNNELS Mounting lighting Systems Spcial, glare-free lights are usually mounted on the tunnel ceiling at relatively short distances to provide the optimum lighting for road tunnels. Since concrete-embedded Halfen channels are particularly suitable for strip mountings, they are tendered out by experienced planners for these applications. Because the mountings could be exposed to chloride conta魭mination, they are made...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:10.00pt "Arial", sans-serif; } ROAD TUNNELS Reinforcement connections A tunnel is a complex structure consisting of numerous sections with a large number of concrete construction joints. For example, if the diaphragm walls to which the tunnel sofit or tunnel vault is attached are pre-concreted, reinforce-ment connections are used for the linkage to the structural components. Type HBS-05 Halfen screw connections are used in this case. Connections from 12...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:10.00pt "Arial", sans-serif; } ROAD TUNNELS Retrieval anchors Retrieval anchors are provided in road tunnels to pull apart vehicles which are wedged together in road traffic accidents so that they can be rapidly removed from the traffic. Retrieval anchors consist of DEHA spherical head anchors (Load class 200 kN (20 t)) embedded in the concrete. The free-swivelling shackles normally used for transporting precast concrete components are attached to the...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:7.00pt "Arial", sans-serif; } .font1 { font:8.00pt "Arial", sans-serif; } .font2 { font:10.00pt "Arial", sans-serif; } RAILWAY TUNNELS Mounting contact wires, wheel tensioners, return lines and line feeders In railway tunnels for electrified stretches of railway lines, a large amount of equipment has to be installed along the tunnel cross section. This includes the contact-wire tensio-ners, line feeders and signal systems. Halfen channels embedded in the concrete (cast-in channels) have been...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Lucida Sans Unicode", sans-serif; } .font1 { font:7.00pt "Tahoma", sans-serif; } .font2 { font:10.00pt "Tahoma", sans-serif; } RAILWAY TUNNELS Mounting contact wires, wheel tensioners, return lines and line feeders Type HTA hot-rolled Halfen channels together with the relevant Type HS hook bolts are used in tunnels to attach the structural components for the overhead line (contact lines). The structures are made to take any stresses, such as those which can occur on the Cologne Rhine/Main...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:10.00pt "Arial", sans-serif; } ROAD TUNNEL PIPE SUPPORT FOR VENTILATION DUCTS The crossways between two parallel main tunnel tubes are subject to strong contamination due to the irregular air pressure and suction waves from the main tunnels. The technical equipment housed in the tunnels must therefore be inspected and cleaned at short intervals. In the Swiss Seelisberg tunnel, this problem was solved by connecting the crossways, which are distanced...

Aw-tun-e_01.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:10.00pt "Arial", sans-serif; } PRODUCTS IN APPLICATION: TUNNEL CONSTRUCTION Rfrence projects in Germany and worldwide Germany Tunnel river Elbe, 4th tube S-Railway tunnel Hamburg Herren tunnel L驹beck Service tunnel hospital Eppendorf Road tunnel Hemelingen Katzenberg tunnel U 2 city railway Pragsattel B10 Stuttgart Hornberg tunnel Tunnel Zelzate-Knokke Subway Antwerpen Tunnel de Cointe Lige Tunnel E5/E9 Lige Metro Antwerp Metro Bruxelles Cointe tunnel...