Shenzhen   Luotian Reservoir-Tiegang Reservoir Water Conveyance Tunnel Project

Equipment：SX40H

Groove depth：60.8m

Slot width：1200mm

Efficiency：40~60h/The wall

Construction process：Spin+Grab+Milling

In order to further solve the problem of underground construction，Jintai Spiteful Masterpiece Withdraws from the Latest Hose Slag Removal System Double Wheel MillingSX40HIt was officially offline and the construction task was completed early on January 30, 2024.，Successfully challenged over 150 MPa、Depth 60.8mTiegang Reservoir Tunnel Project-Tiegang working well project。

Lijiang   Yuwei Expressway Section-Dawn Bridge

 Equipment：SH58F（Guo Si）

Pile depth：82m

Pile diameter：2.8m

Efficiency：48h/Root

Construction process：Rotary excavation+Reverse circulation sand remover

Gold Thailand Four New ProductsSH58FMultifunctional Rotary Drilling Drill First Appeared in Yuwei Expressway Section of Lijiang City, Yunnan Province-Pile Foundation Construction of Liming Bridge。The drilling diameter of the project is large.，Depth is deep、Formation is hard、Abundant sand layer、The hole is easy to collapse、The process is complex、The construction period is tight，The construction is difficult.。Gold Thailand Four New EquipmentSH58FPerformance with high quality pore-forming，Stable and efficient construction operations completed to a depth of 82mUltra-deep bored pile，Highly recognized by the contractor。

Pudong   Meiyuan Community 2, Pudong New AreaE8-Plot 19 Project

Equipment：SG50A\SG50C\SG50D\

SG55F(Guo Si)\SG70A\SG90

Groove depth：50m

Slot width：1m

Total ：200 slots

Efficiency：15~18h/Width

 Meiyuan Community is the first important project of the eastward expansion of the central area of Lujiazui Financial City.，Adjacent to high-density high-rise buildings in Pudong，It is located in the medium zone where the developed high-rise buildings and low-rise residential groups penetrate each other.，The space is small、Complicated pipelines around the foundation pit。The construction period of the project is tight.，A collection of all gold Thai three.、Grab bucket of the fourth national new and old products，Model fromSG50、SG55FToSG90，A total of 6 sets are the rare construction scene of trenching machine cluster in Shanghai Beach.。 

 Qingdao   Jieneng SF1103-127-Residential project of Plot 1

Equipment：SC35\SC55\SC55B

Groove depth：14~16m

Slot width：700mm

Slot length：2500mm

Efficiency：7~8/God

Stratigraphic profile：The stratum is mainly composed of Holocene artificial fill and Holocene pluvial-alluvial deposit.，The bedrock is mainly composed of late Yanshanian granite.。The formation structure of the site is simple.，The sequence is clear。Top-down geological stratification is as follows:：①0-3mBackfill construction waste、②3-9mWater-rich coarse sand layer、③9-11mClay、④11-14mCoarse sand、⑤14-16mArgillaceous sandstone and highly weathered。

Kim TaeCSMJieneng of Two-wheel Mixing Equipment Cluster Construction SF1103-127-Lot 1 Residential Project Successfully Laid 475 Piles，High wall quality，Speed is highly recognized by customers。

Pearl River  Shiziyang Passage West Cable Tower Anchorage Pit Project

Equipment：SX50S\SX50

Groove depth：44.15~49.1m

Slot width：1.5m

Slot length：ⅠSlot 6.671m\ⅡPeriod slot section length 2.8m

Perpendicularity：1/Above 300

Construction process：Spin+Grab+Milling

Construction efficiency：0~26mThe average footage efficiency in soft formation is 2m/hAbove，26mThe average footage efficiency of the back entry rock is 1.5m/h~3m/h.

Stratigraphic profile：Strata containing miscellaneous soil layer in the anchorage pit of the west cable tower、Silty fine sand、Silt、Highly weathered argillaceous sandstone、Moderately weathered argillaceous sandstone、Slightly weathered argillaceous sandstone, etc.。The construction of the anchorage pit of the west cable tower needs to enter the rock 20mLeft and right，It is 10% more than the anchor pit of the east cable tower constructed by the pump suction double wheel millingmLeft and right。

Kim TaeSXCluster Operation of Series Double-wheel Milling Machine in West Cable Tower Anchorage Pit of Shiziyang Passage in Pearl River，High rock entry efficiency，Accuracy of construction，Quick response of service，Many experts can't believe it. ！The total length of the corridor is about 35 kilometers.，The section across the river is a double-deck bridge.，About 12 long.5 kilometers，It is the first double-deck river-crossing channel in the Pearl River Estuary.。The Shiziyang Bridge, a control project, has a main span of 2180mDouble-deck steel truss suspension bridge，It is the largest double-deck suspension bridge in the world.。Design height of cable tower of the bridge 342m，The upper and lower double-deck expressways have 16 lanes in total.，The design speed is 100 kilometers per hour。The outer diameter of the circular diaphragm wall of the anchorage foundation of the bridge is 130m，Length of single main cable is about 3832m、The diameter is nearly 1.5m，Will be created after completion“Main span、Number of lanes、The main tower is high、Anchor diameter、Main cable scale”Five world firsts。

Shenzhen   Luotie Water Conveyance Tunnel-Water diversion well project of Wuzhila Water Plant

Equipment：SX40A\SX50\SH38

Groove depth：72.5m

Slot thickness：ⅠSequence slot 1.2m\ⅡSequence slot 2.8m

Construction process：Spin+Grab+Milling

 

Project overview：Diaphragm wall construction is adopted for the enclosure structure of the water diversion well in Wuzhila Water Plant。Grooving of underground continuous wall shall be conducted by rotary drilling.（Soil layer+Rock formation），Trenching machine is used to grab the trench in the soil layer，Double wheel milling from 35mStart rock entry milling to 72.5m。The diaphragm wall is divided into 28 trench sections.，ⅠSequence slot segment andⅡ14 for each sequence slot section，ⅠThree-milling grooving is adopted for the sequential groove section.,ⅡThe sequential groove section adopts a milled groove。ⅠThe thickness of the underground diaphragm wall of the sequence slot is 1.2m，ⅡThe thickness of the underground diaphragm wall of the sequence slot is 2.8m;Maximum groove depth is 72.5m;The average value of uniaxial compressive strength of rock is 110Mpa，Up to 120MpaAbove。The maximum concrete pouring amount of single diaphragm wall is 524 cubic meters.，The maximum cage weight is 94.88 tons。

The water conveyance tunnel project of Luotie Reservoir is an important supporting project of the Pearl River Delta Water Resources Allocation Project in Shenzhen，It is the backbone project of Shenzhen's water supply network.、Shenzhen City“Two-zone linkage”In a strategic context“Improve the level of public services and the quality of the ecological environment”Important water infrastructure。At the same time，Luotie project is also the first large-scale water project undertaken by the group company in Shenzhen in the past 20 years.，It has a high construction goal.、Short survey and design period、The construction period is tight、The geological conditions are complex、Complex external environment and so on.。

Ezhou   Huama Lake Pumping Station

Equipment：SC55

Depth：6.75~16.20m

Wall thickness：800mm

The difficulty of entering the rock has always been a part of the quality control of the floor-type water interception curtain.“Heart disease”，Kim TaeSMCMethod drill can cover 30mTo 65mDepth，And for the dense sand layer、Coarse pebble layer，And the soft rock stratum within 10 MPa is effectively milled and stirred。Facing the Huama Lake Pumping Station Project, it is required to enter 0..5mDesign requirements for moderately weathered rock formations，Kim TaeSMCTwo-wheel mixing equipment can easily cope with。

Shantou    Construction of Hanjiang River, Rongjiang River and Lianjiang River Water System Connection Follow-up Optimization Project

Equipment：SX50\SG70

Groove depth：86.5m

Slot thickness：1m

Construction process：Grab+Milling

Jintai Diaphragm Wall Products in China、Outstanding performance in the international market，More than 50% of water resources projects in Dawan District have been completed by Jintai diaphragm wall construction equipment.，The depth is 60mWithin the weak strata to JintaiSG70 represents direct grooving；Depth over 60mHard formation or complex formation to JintaiSXGas lift grooving represented by 50 double wheel milling；After years of experience in diaphragm wall construction, Jintai has concluded that it should be used in complex strata construction.“Grasp and milling combination” Or“Grasp, drill and mill” The combined process not only greatly improves the construction efficiency of the diaphragm wall groove, but also ensures the verticality.。