Overview

This technical document provides detailed specifications and features of hydraulic equipment used for slurry walls, diaphragm walls, and other deep foundation construction applications. It includes data on hydraulic winders, guide wideners, clamshell grabs, cylinders, and carrier compatibility.

Equipment Specifications

• Depth and Thickness: Equipment supports depths of 50 to 80 meters (164 to 262 feet) and wall thicknesses from 500 to 1800 mm (19.7 to 70.9 inches).
• Hydraulic Winders: Available in lengths of 50 m, 70 m, and 80 m (164 ft, 230 ft, 262 ft).
• Guide Wideners: Sizes include 2800, 3200, 3600, and 4200 mm (110, 126, 142, 165 inches).
• Clamshell Types: VHD and HD types are available with various dimensions and capacities.

Technical Data

• Cylinders: Two cylinders each with 96 tons capacity (219,000 lbs) at 350 bar pressure.
• Closing Force: 2 x 55 tons (125,000 lbs) at the teeth.
• Closing Torque: 2 x 64 tm (477,100 lbs-ft).
• Features: Initial angle positioning, automatic or manual half-turn capability, and integrated chisels inside clamshells.

Clamshell Grab Details

The document provides a comprehensive table of clamshell grab dimensions, weights, volumes, and total mobile weights. Examples include:

• 2700 x 500 mm VHD: 3.15 t weight, 750 L volume, 12.5 t total mobile weight.
• 2800 x 1500 mm VHD: 7.80 t weight, 2900 L volume, 17.3 t total mobile weight.
• 4200 x 1200 mm VHD: 7.40 t weight, 4200 L volume, 18.5 t total mobile weight.

Carrier Compatibility

• Compatible carriers include Casagrande models C600, C850, C900 and Liebherr models HS845, HS852, HS853, HS855, HS872, HS873, HS875.
• Total weight on flatbed trucks ranges from 65 t with HS 855 carrier to 72 t with C850 carrier.
• Weight of grab, counterweights, booms, and clamshells on trailers ranges between 40 and 50 t.

Additional Equipment and Features

• Special hydraulic filtration systems to protect carriers.
• Swiveling guides for precise positioning.
• Inboard Taraben monitor for verticality control.
• Quick transport kits for efficient mobilization.
• Cardan joints at top and bottom, with possibility of inboard turning joints.
• Top extension available for BAYA 20 model.

Notes and Disclaimers

TEC reserves the right to modify designs, materials, and specifications without prior notice. The information provided is non-contractual.

Contact Information

TEC System
14 rue Emile ZOLA - 86530 - NAINTRE – France
Tel: +33 (0)5 49 93 76 00
Fax: +33 (0)5 49 93 76 29
Website: www.tecsystem.fr
Email: [email protected]