1 introductionthe groundwater level has risen and

Question

1. Introduction

The groundwater level has risen and now is present in the cut. Answer the following questions. Show allwork.

1 b. Evaluate the pressure head at point a

h_pa = equation

h_pa =

h_pa =

2 b. Evaluate the pressure head at point b

h_pb = equation

h_pb =

h_pb =

2 c. Determine the vertical effective stress at point b?

Σvb =

2 d. The factor of safety in the slope for the given groundwater conditions is?

less than 1 1.2

2 e. The ground behavior is classified as stable firm sandy flowing/piping

3. Introduction

Given the following gravity retaining wall design. The wall foundation is on sand. Answer the subsequent questions. Show allwork.

3 a. Evaluate the lateral pressurein the brown clay: ph clay

Ph clay = equation

3 b. Height of clay behind wall:_____ ft-5- ce 4434 project iii name:________________
due: 19 december 2013 open book/open note critical: show all work work alone: neat and professional

3 c. Slope inclination behind wall:_____ o

4. Active earth pressure coefficient

4 a. Horizontal component (kh): _________________

4 b. Source___figure 17-29___

5. Determine lateral earth pressure in brown clay

ph clay =

ph clay =