Crushed stone, sand and gravel are the main types of aggregates used in nearly all residential, commercial, industrial building construction and in public works such as roads, highways, bridges, railroad beds, dams and tunnels. The completion of any infrastructure project depends on the availability of stone aggregates.In terms of processing, blasting is the critical first step in the rock fragmentation process. Maximum profitability depends largely on good blasting. Since drilling and blasting are the first operation performed in any hard rock quarry, the result of these operations will affect more own line activities such as loading, hauling and crushing than any other processing operation. Blasting should be viewed in a
global sense. One should examine not only the effect of changes on the drilling and blasting program but also how the change will affect the productivity and economics of other down line cost centers.
Blasting should also be viewed in the local sense. No other quarry operation has more capacity to cause community dissent than blasting. TLG provides solutions to all quarry operations to have in place a proper public relations program designed to communicate to the community that, proper safety precautions and procedures are in place with regard to blasting program. If there is any complaint from the community, company attends to it immediately, analyze the complaint to provide solution.
In the present day economic development rapid progress is being made in developing infrastructure projects, many of which are being constructed near or at the human dwellings posing a big safety hazard. In many of these projects we find rock formations posing hurdle in the progress of work, but still the rock has to be removed. Where ever soft rock formations are encountered it is being removed by mechanical means using rock breakers. But this is time consuming and creates lot of noise over a prolonged period and if it is done in residential areas then the work progress will be very slow, thus increasing the cost of operation. When hard rock formation is encountered it is just impossible for the rock breaker to remove it because
breaking insitu hard rock is beyond its economic capacity, as it will take lot of time to get the rock removed. Here control blasting is used to remove the rock. Control blasting is required where hill cutting has to be done for road construction. In this blasting care has to be taken to prevent fly rock entering the road.
A proper controlled blasting is getting well fragmented rock ready for loading which is done totally controlling the risk of fly rock, ground vibration and noise. At TLG this is planned and executed by expert technical staff that has complete knowledge about application of explosives for blasting. In a properly conducted controlled blasting if the fly rock risk is very near human dwellings then blasting mats are used to prevent even the little fly rock that may go for a few feet, to stop it, completely from emerging. In this type of blasting each and every blast will generate excellent fragmentation, that any type of excavator can load the material easily.
At TLG the company has expert technical manpower to design and execute this special blasting work. Company can take up any type of blasting work where special techniques are required as it falls in the critical portion of the work. When the company takes up the job they also take necessary permissions from governing authorities along with the client.
Trench cutting for pipelines when enters inside the city, special blasting techniques are required to control, fly rock, ground vibrations, noise and dust and gases.
When there is requirement to have stable rock slope by the side of road or railway line, presplitting of rock is used. Where ground vibration is a problem to nearby structures the rock is presplit to stop the vibration from passing on, at the presplit point.
Box cutting blasting needs special designs to drill and blast as there is requirement to prevent fly rock from ejecting out to long distances and also total control over cutting side walls to accuracy.
TRANS-L-GEOTECH provides complete package of work from Rock production to Road construction. The company’s work starts from the first stage when the client is in need of choosing proper area to locate the quarry for rock production, here TLG can involve through sending the company experts to select proper area and plan the method of opening and developing the quarry for rock production.
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