GSSL – Gunite and shotcrete services limited  s pecialise in both wet spray and dry spray applications of sprayed concrete, together with refractory lining installation. -
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GSSL – Gunite and shotcrete services limited specialise in both wet spray and dry spray applications of sprayed concrete, together with refractory lining installation.

In addition, GSSL provide project management services for this specialist field of civil engineering to larger companies, advice on feasibility, methodology, specification, together with the training and assessment for nozzleman competency.
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Gunite and Shotcrete services Ltd specialise in the planning, managing and delivering of high end, design led projects utilising shotcrete and gunite construction methods for civil engineering and urban regeneration contracts. -
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Gunite and Shotcrete services Ltd specialise in the planning, managing and delivering of high end, design led projects utilising shotcrete and gunite construction methods for civil engineering and urban regeneration contracts. The last thirty seven years have seen the GSSL management involved in important commissions and contracts in both the UK and worldwide, and are recognised as one the most experienced and committed teams currently operating in the UK today.
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GSSL – Gunite and Shotcrete Services Limited is managed by John Aveling (MD) and is a Sheffield based company operating throughout the UK and internationally. . -
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GSSL – Gunite and Shotcrete Services Limited is managed by John Aveling (MD) and is a Sheffield based company operating throughout the UK and internationally. John has over thirty seven years experience of all forms of sprayed concrete, including projects in Europe, South Africa, the Middle East and the Caribbean, as well as the UK. John was elected Vice Chairman of the UK Sprayed Concrete Association in 2005, progressing to Chairman in 2007, and is currently appointed by the SCA as a training officer responsible for the training and competency assessment of sprayed concrete nozzle men within the UK.
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Sprayed concrete has numerous uses in today’s civil engineering environment and is an increasingly relied on method for concrete repair and reinstatement, driven by the advances in concrete technology. . -
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Sprayed concrete has numerous uses in today’s civil engineering environment and is an increasingly relied on method for concrete repair and reinstatement, driven by the advances in concrete technology. Sprayed concrete is the preferred method of concrete repair reinstatement when there is a limited window of opportunity to effect repairs. For example, night time possession work within temporary traffic management or rail track possessions are used to repair corrosion or impact damage bridge beams, abutments and central piers. Fast setting materials offer the chance of early initial setting times allowing the opening of live lanes or rail tracks with the minimum of delay to road and rail traffic.
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Sprayed concrete is frequently utilised in the repair and refurbishment of marine structures. High performing micro concretes offers superior protection from chloride attack. -
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Sprayed concrete is frequently utilised in the repair and refurbishment of marine structures. High performing micro concretes offers superior protection from chloride attack than standard concrete,and are often incorporated into cathodic protection systems as an overlay. Sprayed concrete is particularly suited to working within tidal environments as the method is capable of accessing difficult areas and confined space beneath piers and jetty’s’, is quick and easy to set up and demobilise when tidal and flood conditions dictate.

Sprayed concrete is an established method for tunnel and shaft construction throughout the world, but is now increasingly used as a ground support system, for contiguous piling infill and overlay, and as a viable alternative to the construction of breeze block or false walls in underground car park construction and basements. Sprayed concrete can also accept waterproofing additives to control the egress of water and the waterproofing of structures constructed below the water table.

Sprayed concrete is increasingly used in flood defence schemes in recent years and in particular the rehabilitation of culverts, drains and storm tanks.

Sprayed concrete is the perfect medium for the construction of organic shape features that require a long life span and durability. Playground features and urban regeneration projects, particularly the construction of skateboard parks and climbing walls lend themselves to this very adaptable method of concrete construction.
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Shotcrete is generic term applied to all forms of pneumatically applied sprayed concrete. Dry spray concrete (gunite) is the application of. -
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Shotcrete is generic term applied to all forms of pneumatically applied sprayed concrete.
Dry spray concrete (gunite) is the application of pre-mixed kiln dried concrete powder through a purpose built machine and conveyed by compressed air to a nozzle where water is introduced by a skilled and qualified nozzleman. Refractory materials are generally applied using the dry spray (gunite) method of sprayed concrete. Wet sprayed concrete (shotcrete) is the application of ready mixed concrete (RMC) through a concrete pump with air (and accelerators) introduced at the nozzle and can be applied both manually by a qualified and skilled nozzle man or by robotic arm via remote control.
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