Hydraulic Structures: Fourth Edition

Construction in RDLC and some other RCCs permits an intensively mechanized construction process, with concrete delivered by conv ...

THE ROLLER-COMPACTED CONCRETE GRAVITY DAM 177 3.7.3 Developments in roller-compacted concrete dam construction The RCC dam has d ...

cracking by sawn transverse joints, or by the cutting of a regular series of slots to act as crack inducers. The very considerab ...

THE ROLLER-COMPACTED CONCRETE GRAVITY DAM 179 crack inducers vibrated into the RCC. The ‘joints’ were subsequently sealed by a 6 ...

3.8 Upgrading of masonry and concrete dams The upgrading of older masonry or concrete dams is in most instances the response to ...

seepage, particularly at badly executed construction joints, resulting in the leaching out of hydrated cementitious compounds an ...

Worked Example 3.1 Note that the unit weight of water, (^) w, is taken as 10 kN m^3 throughout these worked examples. The profil ...

Load–moment table (all moments are relative to toe): Load Moment Vertical (kN) Horizontal Moments arm (m) (kN) (kN m) ←↑ ↑ ↓ ...

regarding this very low value for zu). Major principal stresses (equa- tions (3.37a) and (3.37c)) are 1u0.03 MN m^3 and 1d0 ...

Worked Example 3.3 The profile of the major monolith of a buttress dam is illustrated in Fig. 3.24. The stability of the dam is ...

Load Moment Vertical (kN) Horizontal Moments arm (m) (kN) (kN m) ←↑ ↑ ↓ →
 Water: horizontal – 6.66 – – 20 000 133 330 – ve ...

Determine a profile for the dam using thin-ring theory and, assuming that DFL loading applies, calculate the thickness required ...

References ACI (1970) Mass Concrete for Dams and Other Massive Structures, American Con- crete Institute, New York. Berga, L., B ...

Heitefuss, C. and Kny, H.J. (2002) Underwater work as a means for the rehabilita- tion of large hydraulic structures under full ...

system for rehabilitation and construction of dams, in Proceedings of Confer- ence on ‘The prospect for reservoirs in the 21st c ...

Chapter 4 Dam outlet works 4.1 Introduction Dam outlet works consist generally of spillways and bottom (high-head) outlets. Spil ...

192 DAM OUTLET WORKS dependability of the gates, it might be better to opt for an ungated spill- way. Regardless of how reliable ...

THE DESIGN FLOOD 193 with the worst flood producing catchment conditions that can be realisti- cally expected in the prevailing ...

Table 4.1 Flood, wind and wave standards by dam category (ICE, 1996) Reservoir design flood inflow Initial reservoir Minimum sta ...

FLOOD ROUTING 195 period as during the advanced stages of construction a breach of the unfin- ished dam could be as destructive ...