Dredging & Reclamation
The Design Parameters of the Approach Channel of Hambantota Port
source: Author: 2015-01-22 Date: 2020-05-14 Font size: [large medium small]

The design parameters of The approach channel of Hambantota Port is as follow: ?Depth :-16m ?Length:1260m ?Width of channel bottom : 210m ?Construction area :292,000m2 ?Quantity of hard materials blasting :1,840,000m3 The construction period for under water blasting is limited due to the west-south monsoon. The average consumption of explosive is 20t per day. The characteristic of dredging construction as following : ?The mixing technology of emulsion explosive on the site , which is first time adopted for the deep-hole blasting of dredging construction on the offshore. ?The position of blasting ship and drilling depth of hole controlled by GPS and drilling rod to reach the maximum blasting effect . ?Through building temporary breakwater to prevent waves , this project combines bared detonation and explosion by tiny type reef blasting ship to shallow water area , and then implements the deep blasting which is done by giant reef blasting ship. The implement of Site Mixed Emulsion on oversea deep-hole blasting solves the demand of explosive of this project, reduced the cost and improved the efficiency of construction, and greatly insured the construction security and project duration.
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