WSP10704

• File Number: 8220.200.05.J
• Description: Hoover Dam/Lake Mead/Boulder Canyon Project
• Basin: Colorado Mainstem
• Date: 1/1/1948
• Author: USDOI/BOR
• Title: Boulder Canyon Project Final Reports: Part VI/ Bulletin 3 - Studies of Crests for Overfall Dams
• Water Supply Pro - Doc Type: Report/Study

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CONTENTS

Section Page
Introductory statemenL _ __ _ _ _ __ _ _ ___ _ _ __ __ _ __ _ _ ____ _ _ __ _ facing iii
Engineering organization during construction _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ vi
Forewordh__ __ _ _ __ __ _ _ __ _ _ __ __ _ _ __ _ _ __ _ _ _ _ __ __ __ _ _ _ _ __._ _ _ __ _ vii
Contents_____________________________________________________ ix
List of figures_ _ __ __ __ __ __ _ _. _ _ _ __ __ __ __ _ _ _ __ _ __ __ __ _ _ _ _ _ __ _ _ _ _ xii
List of tables___n __ __ _ __ _u __ __ __ __ _ __ _ _ _ _ _ _. __ _ _ _ __ _ __u __ __ _ xiv

CHAPTER I-INTRODUCTION AND GENERAL DESCRIP-
TION OF LABORATORIES

INTRODUCTION
1 Scope of bulletiu__________________nn_nn___n_______n_____ 1
2 History of previous experimental work _ __ _ __ _ _ _ _ n _ __ _ __ _ _ __ _ __ __ 2
3 Extent of present experimental program__________________________ 7
4 Record of present experimental program_~_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 7

GENERAL DESCRIPTION OF LABORATORIES

5 Colorado Agricultural Experiment Station hydraulic laboratory _ _ _ _ _ 8
6 Bureau of Reclamation hydraulic laboratory_u_____u__u_u~____ 12
7 Personnel_________________________________________~___________ 20

CHAPTER II-EXPERIMENTAL EQUIPMENT AND TEST
PROCEDURE

EXPERIMENTAL EQUIPMENT

8 Experimental fiumeu_u__u~u_u_____________________________ 21
9 Weir shapes te8ted____u_____u___~u_________uu__u__u_u~_ 21
10 The coordinometers_u__ __ u __ _ __ __ u__ _ __ __ __ u _u__u___ u___ 23

TEST PROCEDURE

11 Explanation of symbolsu_u~u__u____uh__u__unu_u_____ 27
12 Relation of gages to weir cresL_____u__u_u_u____u______n__ 28
13 Test procedure____u ___u u _u_u_u_.n_ ___n_ ___u_ _u __n_ _ 28

CHAPTER III-WEIR WITH VERTICAL UPSTREAM FACE

ANALYSIS OF EXPERIMENTAL RESULTS

14 Compilation of test results_________u_________nn___u_n__n__ 29
15 Method of combining nappe profiles ~ __ _ _ _ _ _ u _ u u u _ u _ u _ _ u __ 30
16 Relation of Eto velocity of approach____u_n_u_u_u__u__u__ 38
17 Discharge coefficientsu __u____n_uu_u_u_n____u__nhu__ 38
18 Minor factors affecting nappe profiles____u_u______h_______n__ 41
19 Comparison of results with Bazin_n_uhu_n____u_unn__n__ 42
20 Reduction of pressure on upstream face of vertical weir _ _ _ _ _ _ _ _ _ _ _ _ 43

APPLICATION OF EXPERIMENTAL RESULTS

21 Design of an overflow dam section with vertical upstream face_u___
22 Determination of wall heights for overflow dam section_____n____u
23 Determination of pressure reduction on upstream fa.ce of dam_ _ _ _ _ __

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