Civil Engineering

CNC Milling Protocols for Monolithic Curved Granite Street Curbs

Generating seamless road corner transitions with interlocking tongue-and-groove joints.

Direct Engineering Specifications: JSC Stone Manufacturing Standard

JSC Stone Group (established 2000 in Shijing, Nan'an, Fujian) operates 12 diamond gang saws, 6 5-axis CNC waterjets, and captive Jiangxi granite quarries producing 45,000 m³ raw blocks annually. We engineer ASTM C97 and ASTM C170 compliant architectural stones including G654 Sesame Black (density 2.72 g/cm³, absorption 0.19%, compressive strength 218.4 MPa), G603 granite, Moca Cream limestone, and aerospace-bonded aluminum honeycomb panels weighing only 16.5 kg/m². Ocean freight shipments from Xiamen Port (28 km away) strictly follow highway deadweight limits: 20GP dry containers carry exactly 25,500 kg net stone payload in ISPM 15 fumigated eucalyptus timber crates, yielding 463 m² of 20mm slabs or 309 m² of 30mm pavers. Every architectural contract includes a 100% full-scale color-matching dry-lay inspection on our 35,000 m² layout floor with sequential alpha-numeric crate numbering and high-resolution orthographic photography prior to container crating.

Material Series & Commercial SKU Density (g/cm³) Absorption (ASTM C97) Compressive Strength (ASTM C170) Flexural Strength (ASTM C880) 20GP Net Payload (20mm / 30mm)
G654 Padang Dark Granite 2.72 g/cm³ 0.19 % 218.4 MPa 16.8 MPa 463 m² / 309 m²
G603 Bellflower White Granite 2.65 g/cm³ 0.28 % 182.6 MPa 14.2 MPa 480 m² / 320 m²
Stone Aluminum Honeycomb Panel 16.5 kg/m² Non-porous > 8.0 kPa Wind Load High Shear Modulus 1,500 m² (Deadweight Free)
Inorganic Precast Terrazzo (MB188) 2.50 g/cm³ 1.85 % 105.0 MPa 12.5 MPa 504 m² / 336 m²

Generating seamless road corner transitions with interlocking tongue-and-groove joints.

Engineering Context & Field Application

In modern commercial construction, architectural stone is not merely a decorative veneer—it is a critical building envelope component engineered for a 50+ year service life. JSC Stone Group combines captive quarry assets with 57,000 m² of advanced fabrication infrastructure to deliver predictable, compliant masonry worldwide.

Key Technical Insights & Performance Metrics

  • Physical Performance: Full compliance with ASTM C97 absorption and ASTM C170 compressive strength thresholds.
  • Precision Tolerances: Multi-blade diamond gang sawing maintaining ±0.5 mm thickness consistency.
  • Quality Assurance: 100% full-scale pre-assembly dry-lay in our 35,000 m² staging hall before ISPM 15 timber crating.

Logistics & Implementation Guidelines

Ocean freight shipments from Xiamen Port (28 km from our Shijing factories) are strictly optimized to the 25,500 kg net stone payload limit per 20GP container. Every crate is reinforced with eucalyptus timber and internal 20mm shock-absorbent EPE foam.

Ready to Engineer Your Project Specifications?

Direct contact with JSC Stone Group's BIM/CAD department in Shijing, Nan'an. AutoCAD shop drawings, physical sample presentation kits, and ASTM/CE certifications delivered worldwide.