Table 6 Multivariate linear regression analysis of factors affecting the compressive bearing capacity of concrete per unit volume for serpentine piles.

From: Study on the bearing capacity optimization and performance of photovoltaic support in desert sand and gravel area based on bionics

Variable

Regression coefficient

Standard error

Standardized regression coefficient

T

P

Burial depth

-1.192

0.992

-0.137

-1.202

0.248

Width

-24.448

3.306

-0.840

-7.396

0.000

Spacing

3.120

1.983

0.179

1.573

0.137

  1. Note: R2 = 0.807, adjusted R2 = 0.755.
  2. Based on Table 6, the effects of variations in each variable on the compressive bearing capacity of concrete per unit volume of serpentine piles can be summarized as follows:
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