Which visual inspection term indicates that the soil has open cracks on the horizontal ground or face of an excavation?

Prepare for the Associate Contractors License Exam. Study using flashcards and multiple choice questions, each question is equipped with hints and explanations. Get exam-ready today!

The term that indicates soil exhibiting open cracks on the horizontal ground or face of an excavation is "fissure." A fissure refers to a narrow opening or crack that can occur in soil or rock formations, typically indicative of tension or settlement issues within the ground. When a soil mass shrinks or experiences changes in moisture content, fissures can develop, which can pose risks for structural stability and safety during excavation work.

In contrast, the other terms refer to different phenomena: "sloped system" pertains to the angle and design of the earth that is left during excavation, rather than any cracking; "boiling" describes a condition where water and soil are mixed due to instability, often in overly saturated conditions, creating a churned appearance; and "raveling" refers to the disaggregation or breakdown of soil particles, leading to the loss of stability in slopes but not specifically involving visible cracks.

Understanding these distinctions is important for recognizing soil conditions during excavation work and ensuring safety standards are met.

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