China Railway Construction Heavy Industry Group Co., Ltd
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    No. 88 Dongqi Road, Changsha Economic and Technological Development Zone, Hunan Province, China
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LSJ series chain knife continuous wall equipment
Chain knife type continuous wall equipment is a key equipment for TRD construction method, widely used in foundation pit projects such as subway stati
Product details
Product Features

1. High quality and efficient wall construction

Compared with traditional SMW, rotary spray and other construction equipment, it has obvious advantages, with a general wall forming efficiency of 200-500m2/day. The texture of the wall is uniform;

The surface is smooth, without any misalignment or joints, with good waterproofing performance, and the waterproofing performance is ≤ 1 × 10~7cm/s;

High precision vertical inclinometer for real-time detection and control, with wall verticality error ≤ 1/250.

2. Good economy

The insertion spacing of core materials in the wall is not limited by pile diameter or pile distance, and is arranged according to the load-bearing requirements of the wall to save the amount of core materials used;

Recyclable profiles with low construction costs;

Good wall quality and low risk of pile repair.

3. High construction safety

Scalable dedicated chassis ensures overall stability during construction;

The chain knife and knife box are deep underground, with a low center of gravity for the entire machine and zero risk of equipment tipping over.

4. Strong adaptability to the site

Scalable track chassis, convenient for transfer and transportation;

The height above the ground of the equipment is not affected by the depth of the underground wall, and the overall height is low. It can be constructed normally under height restrictions such as high-voltage cables and bridge bottoms;

It has little impact on the geological strata and buildings, and can be constructed in close proximity to buildings.

5. Good working environment

Fully enclosed cab, equipped with heating and cooling air conditioning, 10 inch touch screen operation, simple and comfortable operation.


Product parameters

project

unit

parameter

LSJ60

Maximum Wall Depth60 m

LSJ30

Maximum Wall Depth30 m

complete machineweight

kg

168000

80000

complete machinesizelong×wide×tall

mm

10200×7400×11600

8500×5400×7500

complete machinepower

kW

412

295

Maximum Wall Depth

m

60

30

Standard wall depth

m

50

25

Wall thickness

m

0.55~0.85

0.45~0.85

Construction efficiency

m2/day

200~550

200~450

Chain cutter cutting speed

km/h

0~4.14

Chain knife cutting drive mode

/

Hydraulic motor drive

Track center distance (extension)/Shrink)

m

4/2.8

3.2/2.2

track shoe width

m

0.85

0.8

Maximum driving speedI/II

(Work)/Transition)

km/h

0.38/1.38

0.38/1.5

gradeability

%

8.7

Walking drive mode

/

Hydraulic bilateral independent drive

Single hydraulic motor drive


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