With a monthly footage of more than 1,000 meters, China's first open-type TBM exported to South America has achieved good results in the San Gavan Hydropower Station project in Peru

Recently，Good news from the San Gavan hydropower project in Peru，China's first open type exported to South AmericaTBMIn the process of construction, it has created a record of more than 1000 meters per month.。

Device origination

The San Gavan Hydropower Station in Peru“The Belt and Road”The representative project of the initiative landing in South America，It is the first power project invested by Chinese enterprises in Peru.。The total installed capacity of San Gavan Hydropower Station is 209..3 MW，Designed annual power generation 12.500 million kilowatt hours，It will greatly promote the optimal allocation of regional water resources and sustainable economic and social development in South America.。

The equipment is digging

The equipment is about 245 meters long.，Cutterhead diameter 5.83 meters，Set machinery、Electrical、Hydraulic、Sensing、Integration of information technology，When in work, the supporting shoes on both sides of the machine body are used for supporting the tunnel wall to provide the rock breaking and excavation thrust of the cutter head.，It is especially suitable for the tunnel of Shenggawang Hydropower Station with good surrounding rock stability.、Tunneling in medium and high strength rock environment，The construction speed is fast.、High efficiency and other advantages。

The equipment was accepted by China Railway Construction Heavy Industry Co., Ltd.

During equipment assembly and commissioning，The on-site service personnel of China Railway Construction Heavy Industry Co., Ltd. shall closely cooperate with the Owner and the construction unit.，Actively overcome various difficulties during the epidemic，Ensure the smooth progress of equipment assembly。In less than 40 days，Completed the main machine assembly of the equipment and the horizontal thrust tunnel，Realize split initiation。After the equipment is powered on，It took only two weeks to complete the single machine debugging of the equipment.、Joint debugging and other work，Realize the official launch，Submit a satisfactory stage progress answer sheet to the Owner。

Since November this year，The single-shift footage of the equipment is constantly refreshing the record.：10 meters from single shift，To 16 meters、20 meters，The maximum single-shift footage exceeds 26 meters.，Maximum daily footage of 46 meters，In November, the accumulated footage reached 1007.9 meters，The construction period is greatly shortened.，It has been praised and affirmed by the owners.。

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