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GSI Specifications:
• Engine: Caterpillar 3024C, 2.2 liter Tier II engine, 50 hp (37.3 kW) at 2800 rpm.
• Frame: Sectional truss style frame, 24 in. (610 mm) depth. Standard frame length is 22 ft. (6.71 m).
• Propel: Four-wheel drive hydrostatic propel system with rotary steering actuators.
• Tires: Solid rubber tires, 28.00 x 9.00 R15 in. (381 mm) wheel.
• Steering: All-wheel steer.
a. Coordinated four-wheel steer (operational & transport mode)
b. Crab-steer (operational & transport mode)
c. Front-steer only (operational & transport mode)
d. Rear-steer only (operational & transport mode)
e. Counter-rotate (operational mode)
f. Stringline steer (operational mode)
What is the GSI?
• New and revolutionary GOMACO Smoothness Indicator, a testing device that provides As Soon As Paved smoothness readings.
• A non-contact surface smoothness instrument that is so versatile it provides multi-application usage.
What can the GSI do?
• Provides immediate data to make on-the-go adjustments, if necessary, to assure maximum smoothness results.
• Gives immediate graphic display to the operator as to smoothness of the surface.
• Locates irregularities in the slab that need to be corrected and records that location through the use of a distance tracking encoder.
• Concrete surface can be repaired while still in the plastic state.
• Can read multiple traces simultaneously with the addition of more instruments.
• Checks smoothness readings of the sub-grade to obtain maximum yields and determines potential smoothness before paving.
• The GSI can be used to check the accuracy of stringline setup before the actual paving takes place.
• The GSI has hydraulic elevation control that accommodates slab heights up to 18 in. (457 mm). Frame height extensions are available for up to 30 in. (762 mm) slab thickness.
• Smoothness readings can be seen before saw cuts are made for joints and tining or the texturing of the slab.
• Data gathered is used to produce commercially known profilograph indexes.
• Printout of surface smoothness includes station or footage
reference from starting station, job information, bump location, and profile index numbers.
• Provides the ability to study the smoothness of the slab during the curing process for future research on mix designs.
• The GSI automated steering capability guarantees the highest repeatability and accuracy in the industry.
How is it done?
• The GSI can commence tracing from a stopped position. This allows readings from the header without pre-roll calibration.
• The GSI can stop and start during the tracing operation.
• The GSI is operational in forward or reverse.
• Both sonic and slope sensors are mounted to the machine frame for reading smoothness data of wheel tracks on up to eight traces or four lanes in one pass.
• The GSI takes smoothness readings simultaneously from three different sensors on each trace and uses the data taken at that instant in time to establish a measurement of the slab.
• Can be mounted directly on the back of the paving pan for instant readings of the paved surface.
• Can be mounted on a machine separate from the paver so readings can be taken independent of the paver.
Who would want to use the GSI?
• Paving contractors
• Flat floor slab contractors
• Consulting engineering firms
• DOT (Department of Transportation)
• Federal highway authorities
• FAA
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MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING U.S. OR FOREIGN PATENTS: 3,299,786; 3,450,011; 3,541,931; 3,779,661; 3,959,977; 4,073,592; 4,136,993; 4,226,917; 4,343,513; 4,360,293; D-266,850; 853,607; 861,819; 954,773; 406,787; 1,147,187; 133,220; D-512,249; 4,717,282; 4,457,645; C-1,110,893; C-1,191,044; 12,890-1-0010; 5,061,115; 7,509,187; 7,509,615; 5,102,267; 5,101,360; 4,954,019; 4,984,639; 5,190,397; 5,209,602; 0,518,535; 2,067,126; 494,257; 69,031,836.7-08; 2,069,516; 5,924,817; 2,833,084; 7,044,680; 7,284,472, AND PATENTS PENDING.
GOMACO Corporation reserves the right to make improvements in design, material, and/or changes in specifications at any time without notice and without incurring any obligation related to such changes. Performance data is based on averages and may vary from machine to machine.
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