El Monorraíl de El Cairo es un sistema de tránsito rápido de monorraíl de dos líneas en El Cairo, Egipto, que se encuentra actualmente en construcción. Cuando el proyecto esté terminado, las dos líneas proporcionarán las primeras conexiones de transporte público desde la Nueva Capital Administrativa y la Ciudad 6 de Octubre hasta el área metropolitana de El Cairo.

La línea de 54 kilómetros entre la Nueva Ciudad Administrativa y El Cairo Oriental tardará 60 minutos, mientras que la línea de 42 kilómetros entre la Ciudad 6 de Octubre y Giza tardará 42 minutos.

dextra supplied more than 300,000 bartec standard and bridging couplers for the connection of reinforcement bars. bartec is simple to install and does not require professional skilled labor, which reduces labor on the job site, formwork costs, and increases job site safety.

Around 400,000 bartec headed bars were also installed as a replacement for Ganchos in concrete members and connections.

Moreover, the project used Unitec bolted couplers in repair works for the connection of two rebars which have not or cannot be threaded.

La primera etapa del sistema se abrirá al público en 2022, seguida de una segunda etapa en 2023.

The Forrestfield Airport Link is a rail infrastructure project lolcated in Perth, Western Australia. The 8.5km line will connect the existing Midland Line to Perth International Airport and further to the eastern suburbs. The project features two twin-tunnels bored with Tunnel Boring Machines (TBMs) which move up to 26 meter underneath the bed of Swan river, highways and Perth Airport, adding three new stations to the city’s transportation network: Belmont, Airport Central and Forrestfield.

For the tunnel boring packages, dextra supplied a total of 10 PFV ojos suaves between 2016 and 2017 (two for Airport Central Station, two in Abernethy, four in Belmont and two in Bayswater) to the contractor JV of Salini Impregilo and NRW Salini Impregilo. ojos suaves are rebar cages made mostly of Glass-Fiber Reinforced Polymer (GRFP) bars and some steel rebar. ojos suaves can be cut by the TBMs and allow faster equipment breakthrough, saving precious time while avoiding to damage the TBM heads.

dextra also supplied a total of 65,000 Griptec connections for the station works. Griptec is distributed in Western Australia by Dextra’s partner InfraBuild Construction Services. They offer the complete service to the contractor: Cutting the rebar, preparing the bar ends with Griptec sleeves and bending them for final installation on site. This allows the contractor to achieve faster cycle times in rebar connection on site .

Sonitec, Dextra’s steel tubes for Crosshole Sonic Logging tests (to check concrete integrity in bored piles) were also supplied.

El enlace Forrestfield-Aeropuerto funcionará en 2022.

For more information about our solutions in Australia, please consult our Bangkok office

El Metro de Bruselas es un sistema de tránsito rápido que sirve a una gran parte de Bruselas, Región Capital de Bélgica. Consta de 4 líneas de metro convencionales y 3 líneas de pre-metro.

Line 3 is a tram line that runs through the city center from Churchill in the south to Esplanade in the north, using the North-South Axis tunnel. The total route will be 10.3km long.

An 150m long new tunnel was dug underneath the Brussels North railway station to connect two existing underground tunnels. It was an important component of the new metro link.

Dextra supplied Sonitec, a tube solution that facilitates the integrity testing of foundations using the CSL testing method, to the construction site of Line 3. 13 kilometers of the tubes were installed in the 18m long pile cages.

El Sonitec system has been designed with the sole purpose of being easy to assemble and install in reinforcement cages.

The Cairo Metro is a rapid transit system in Greater Cairo, Egypt. It was the first of three fully-fledged metro systems built in Africa, as well as the first in the Arab world. It began service in 1987 as Line 1 between Helwan and Ramsis Square, covering a distance of 29 kilometers.

The Cairo Metro currently has 74 stations, 3 of which are transfer stations, with a total length of 89.4 kilometers as of August 2020. There are three operating lines in the system.

The new line, line 4, will run from Makram Ebeid Station to Police Academy Station near the Ring Road, with bored tunnels following Doctor Hassan El-Sherif Street and Ahmed El-Zomor Street. It will be 24 kilometers in total length.

Construction began in Q3 2019 and is expected to be completed in 2024.

Dextra has supplied 450,000 Bartec+ couplers and 42 PFV soft-eyes for the Refuerzo of the paredes pantalla.

Bartec+ is a mechanical splicing system with parallel threads for connecting concrete reinforcement bars with diameters ranging from 12 to 50 mm (ASTM #4 to #18). The threaded rebars are tensile tested at 90% of the rebar yield strength.

Dextra’s PFV soft-eyes solution is an integrated turn-key solution that uses cut-able Glass Fiber Reinforced Polymer (PFV) Refuerzo as an alternative to traditional steel rebars, allowing the penetration of Tunnel Boring Machines (TBM) to pass through paredes pantalla with ease.

The Lucknow Metro project is built to serve the growing population of Uttar Pradesh, North India, as well as to serve the areas that are not connected by the existing rail system. The 35km rail system comprises 22 stations, of which 19 will be elevated.

The first phase of the project consists construction of 2 rail lines (North- South and East-West corridor), connecting the four corners of Lucknow by running through the heart of the city. Being implemented by Lucknow Metro Rail Corporation (LMRC), the Phase 1 comprises the construction of 22.8km long North-South corridor.

The priority section is the 8.5 kilometers linking Transport Nagar to Charbagh.
Una vez operativo, el Metro de Lucknow ayudará a aliviar el tráfico en la ciudad y también reducirá el tiempo de viaje de los viajeros.

The 37km-long Light Rail Transit Line 3 (LRT3) is a light rail line under development in Malaysia. It includes a 35km viaduct and a 2km underground tunnel which will link Bandar Utama with Johan Setia in Klang.

Desarrollado en línea con el Plan Maestro de Transporte Público Terrestre del Gran Kuala Lumpur/Valle de Klang (GKL/KV), el LRT3 desempeñará un papel estratégico en la ampliación de la conectividad ferroviaria al Corredor Occidental de GKL/KV.

Dextra provided cuttable Glass Fiber Reinforced Polymer (GFRP) soft-eye solutions, installed in diaphragm walls of escape shafts, in order to facilitate the underground tunnel breakthrough by the Tunnel Boring Machines (TBM).

Se espera que el proyecto LRT3 preste servicios a 2 millones de personas en toda la alineación mejorando la conectividad, aliviando la congestión del tráfico y estimulando el crecimiento económico a lo largo del Corredor Occidental del Valle de Klang, desde Klang hasta Petaling Jaya.

Está previsto que la construcción finalice en febrero de 2024.

La Línea 3 del Metro de Panamá es una línea de monorraíl de 34 kilómetros de longitud que se está desarrollando como parte del proyecto del Metro de Panamá. Será el proyecto más grande en el país desde la ampliación del Canal de Panamá.

La línea establecerá una conexión entre la provincia de Panamá Oeste y la provincia de Panamá, reduciendo a la mitad el tiempo promedio de viaje, de 90 minutos a 45 minutos. El sistema de monorraíl será el primero en utilizar tecnología japonesa en América.

Dextra supplied 260,000 bartec couplers for the elevated monorail structure’s piling column and precast beam connection.

Sonitec tubes were also used to examine the concrete integrity of bore-piles using the crosshole sonic logging testing method.

Se espera que la línea comience a operar a mediados de 2025 y beneficiará a más de 500.000 residentes de la provincia de Panamá Oeste.

Crédito de la imagen: Canal de YouTube Línea 3 del Metro de Panamá, www.elmetrodepanama.com

El Metro de Lima es un sistema de tránsito rápido del Perú, que actualmente une el distrito de Villa El Salvador en el sur de Lima con San Juan de Lurigancho, en la zona noreste de la ciudad. La Línea 1 del Metro inició su operación en 2011 con 26 estaciones, sumando un total de 34,6 kilómetros, la línea de metro más larga de América.

dextra is proud to contribute to the construction of Metro Line 2 and the initial phase of Line 4, both of which commenced simultaneously in 2016. Line 2, a 27-kilometer fully underground transit route, will seamlessly connect Lima’s Ate district with the Callao region. Meanwhile, the first 8-kilometer segment of Line 4 will serve as a crucial link between Line 2 and the Jorge Chávez International Airport station, enhancing connectivity for commuters and travelers alike.

More than 160,000 Rolltec rebar couplers have been supplied to the Metro construction site to avoid rebar congestion of the traditional overlapping method.

Several types of Rolltec couplers were installed in various parts of the stations’ structures, including standard couplers size #8, #11 and #14, and transition couplers size #8 and #11.

La línea completa estará operativa en 2024.

Etihad Rail is a 1,200-kilometer railway project that will be the first national freight and passenger railway network in the United Arab Emirates (UAE), connecting the seven emirates and promoting trade and social development in the country and across the GCC countries.

Se espera que el proyecto ferroviario sea una alternativa sostenible para el transporte de mercancías y pasajeros en las zonas urbanas y rurales del Emirato. Se espera que transporte aproximadamente 16 millones de pasajeros y 50 millones de toneladas de carga. Contribuirá significativamente a la reducción de las emisiones del tráfico rodado.

La red Etihad Rail llega hasta las fronteras de Qatar y Arabia Saudita al oeste. La sección occidental conecta con Arabia Saudita a través de Ghweifat, mientras que la sección oriental conecta con Omán a través de Al Ain. La línea ferroviaria conecta Abu Dhabi, Sharjah y Dubai y atraviesa el Emirato. Luego continúa hacia los emiratos del norte y Fujairah.

La red ferroviaria se construirá en 3 etapas. La primera fase de la red ferroviaria, inaugurada en 2016, es un tramo occidental de 266 kilómetros de longitud entre Al Ruwais y Shah. Conecta Ruwais y Habshan, y luego Habshan y Shah.

La segunda fase conecta Abu Dhabi con Dubai. También está vinculado a los puertos de Jebel Ali, Musaffah y Khalifa. La tercera fase implica conectar los Emiratos del norte. Está previsto que la segunda y tercera fases finalicen en 2024.

Actualmente, Dextra suministra varias soluciones de ingeniería para la segunda fase de la construcción de la red ferroviaria, que incluye la construcción de una línea principal de 200 km en Abu Dhabi y un ramal de 40 km al puerto de Khalifa, una línea principal de 78 km en Dubai y un ramal de 20 km a Jebel. El puerto de Ali, una línea principal de 98 kilómetros desde Sharjah a Fujairah y un ramal de 29 kilómetros a Tawyeen, así como instalaciones asociadas.

Estas soluciones se entregaron en la obra del túnel ferroviario.

• 110,000 bartec couplers for concrete structure reinforcement.
• 32,000 Sonitec tubes for the CSL (crosshole sonic logging) testing of foundation piles.
• 69,000 steel rock-bolts for stabilizing rock excavations.
• 400 GFRP (Glass Fiber Reinforced Polymer) rock-bolts.
• 660 umbrella pipes for stabilizing tunnel headings.

Fuente de la imagen superior: https://filipinotimes.net/news/2019/12/19/coming-soon-rail-network-linking-dubai-fujairah-khorffakan-ports/

The Sha Tin Sewage Treatment Works Relocation project was aimed to relocate the Sha Tin Sewage Treatment Works (STW) in Sha Tin, Hong Kong, which is currently located at the mouth of the Shing Mun River, to the cavern site at Nui Po Shan of A Kung Kok on the opposite bank, freeing up the existing site for uses beneficial to people’s livelihood and improving the local living environment.

The future Sha Tin Cavern STW will be the largest of its kind in Hong Kong, occupying 14 hectares of land. It will have the same treatment capacity as the current site, but will use advanced sewage treatment technology to meet local population demands and improve services for residents.

For the tunneling works, Dextra has supplied around 800 pieces of GEOTEC™ GFRP rock-bolts for the tunnel’s temporary supporting.

GEOTEC™ GFRP rock-bolts are made of cut-able glass fiber reinforced polymers, making them perfect for face bolting or any other tunneling and mining application where further excavation is required.

Fuente de las imágenes: https://ststwincaverns.hk/