17.120.20 明渠中流量的测量 标准查询与下载

AS 3778.4.3:1991 明渠流量测量．流量测量建筑物法．圆缘宽顶堰

Specifies the method of measuring water flow in rivers and artificial channels under steady flow conditions using round-nose horizontal broad-crested weirs. It is technically identical with and reproduced from ISO 4374:1990.

Measurement of water flow in open channels - Measurement using flow gauging structures - Round-nose horizontal broad-crested weirs

AS 3778.4.2:1991 明渠流量测量．流量测量建筑物法．矩形宽顶堰

Specifies the requirements for the use of rectangular broad-crested weirs for the measurement of water flow in open channels under free flow conditions. It is technically identical with and reproduced from ISO 3846:1989.

Measurement of water flow in open channels - Measurement using flow gauging structures - Rectangular broad-crested weirs

AS 3778.4.1:1991 明渠流量测量．流量测量建筑物法．薄壁堰

Specifies methods for the measurement of water flow in open channels using rectangular and triangular-notch (V-notch) thin-plate weirs. The flow conditions considered are limited to steady, free and fully ventilated discharge. It also specifies limitations of applicability related to weir and flow geometry for the recommended equations. It is technically identical with and reproduced from ISO 1438-1:1980.

Measurement of water flow in open channels - Measurement using flow gauging structures - Thin-plate weirs

AS 3778.3.5:1990 明渠流量测量．速度面积法．总误差的研究

Summarizes the results of investigations of the total error in measurements of flow by velocity-area methods. It describes the procedures used and types of errors and also gives recommendations for the collection of data for investigation of errors. It i

Measurement of water flow in open channels - Velocity-area methods - Investigation of total error

AS 3778.4.4:1991 明渠流量测量．流量测量建筑物法．V型宽顶堰

Specifies a method for the measurement of sub-critical flow in small rivers and artificial channels using V-shaped broad-crested weirs. It is technically identical with and reproduced from ISO 8333:1985.

Measurement of water flow in open channels - Measurement using flow gauging structures - V-shaped broad-crested weirs

AS 3778.4.5:1991 明渠流量测量．流量测量建筑物法．三角形剖面堰

Specifies the method of measuring water flow in open channels under steady flow conditions using triangular profile weirs. It is technically identical with and reproduced from ISO 4360:1984.

Measurement of water flow in open channels - Measurement using flow gauging structures - Triangular profile weirs

AS 3778.6.7:1992 明渠流量的测量．测量装置，工具和设备．超声波（声学）速度测量器

Describes the general design, operation, performance and application of ultrasonic (acoustic) velocity meters for measurement of flow in open channels. It is identical with and has been reproduced from ISO 6418:1985.

Measurement of water flow in open channels - Measuring devices, instruments and equipment - Ultrasonic (acoustic) velocity meters

AS 3778.4.7:1991 明渠流量测量．流量测量建筑物法．矩形、梯形和U型测流槽

This Standard specifies methods for the measurement of water flow in rivers and artificial channels under steady or slowly varying flow conditions, using certain types of standing-wave (or critical depth) flumes. It is technically identical with and repr

Measurement of water flow in open channels - Measurement using flow gauging structures - Rectangular, trapezoidal and U-shaped flumes

AS 3778.4.11:1991 明渠流量测量．流量测量建筑物法．在非矩形河槽上对自由溢流估算的末端深度法（近似法）

Specifies a method for the estimation of sub-critical flow of water in smooth, essentially horizontal, straight open channels with a vertical drop and discharging freely. It is technically identical with and reproduced from ISO 4371:1984.

Measurement of water flow in open channels - Measurement using flow gauging structures - End-depth method for estimation of flow in non-rectangular channels with a free overfall (approximate method)

AS 3778.6.6:1992 明渠流量的测量．测量装置，工具和设备．河流测量用索道系统

Gives a general description, functional requirements, specification and guidelines for the design, and for the operation and maintenance of a cableway system used for stream gauging. It is identical with and has been reproduced from ISO 4375:1979.

Measurement of water flow in open channels - Measuring devices, instruments and equipment - Cableway system for stream gauging

AS 3778.6.4:1992 明渠流量的测量．测量装置，工具和设备．水深测量回声测探仪

Provides information concerning the principle of operation, performance and selection criteria for echo sounders used in depth measurements for open channel flow (and related) measurements. The use of standard terminology is promoted. Information on the characteristics of sound in water is provided in an annex. It is identical with and has been reproduced from ISO 4366:1979.

Measurement of water flow in open channels - Measuring devices, instruments and equipment - Echo sounders for water depth measurements

AS 3778.6.3:1992 明渠流量的测量．测量装置，工具和设备．直线明槽转子式流速仪的校准

Specifies the procedure to be used for the calibration of current-meters, i.e. for the experimental determination of the relationship between water velocity and rate of revolution of the rotating element. It also specifies the type of tank and equipment to be used and the method of presenting the results. The procedure does not take into account any possible differences existing between the behaviour of the current-meter moving in motionless water and that of a fixed current-meter in turbulent flow. It is identical with and has been reproduced from ISO 3455:1976.

Measurement of water flow in open channels - Measuring devices, instruments and equipment - Calibration of rotating element current-meters in straight open tanks

AS 3778.6.8:1992 明渠流量的测量．测量装置，工具和设备．水文测船定位设备

Specifies methods of determining the position of hydrometric boats with respect to known points on the banks of rivers and estuaries. It is identical with and has been reproduced from ISO 6420:1984.

Measurement of water flow in open channels - Measuring devices, instruments and equipment - Position fixing equipment for hydrometric boats

AS 3778.6.2:1992 明渠流量的测量．测量装置，工具和设备．直接测深和悬吊设备

Specifies functional requirements of sounding and suspension equipment used in the direct measurement of depth and velocity of flow in open channels, including the collection of sediment samples. It applies to equipment used for sounding of water depth by the direct method and to equipment for suspending measuring or sampling instruments (for example, current meter or sediment sampler) at the point of measurement. It does not apply to indirect methods such as echo sounding. It is identical with and has been reproduced from ISO 3454:1983.

Measurement of water flow in open channels - Measuring devices, instruments and equipment - Direct depth sounding and suspension equipment

AS 3778.6.1:1992 明渠流量的测量．测量装置，工具和设备．转子式流速仪

Specifies the operational requirements, construction, calibration, and maintenance of rotating element devices for the measurement of flow velocities in open channels. It does not define the form of the signal produced by the equipment or the signal receiving equipment. It is identical with and has been reproduced from ISO 2537:1988.

Measurement of water flow in open channels - Measuring devices, instruments and equipment - Rotating element current-meters

AS 3778.3.4:1990 明渠流量测量．速度面积法．测量误差测定的数据收集和处理

Specifies a standard basis for the collection and processing of data for the determination of individual components of the total error in the measurement of water flow in open channels by velocity-area methods. It is technically identical with and reproduced from ISO 1088:1985.

Measurement of water flow in open channels - Velocity-area methods - Collection and processing of data for determination of errors in measurement

AS 3778.3.2:1990 明渠流量测量．速度面积法．动船法

Specifies the method for measuring discharge in large rivers and estuaries by the moving-boat technique. It also provides procedures applicable to this method and covers general requirements of equipment employed. It is technically identical with and rep

Measurement of water flow in open channels - Velocity-area methods - Measurement by moving-boat method

AS 3778.4.6:2007 明渠中的水流测量．使用测流结构进行的测量．V形堰槽

describes the methods of measurement of flow in rivers and artificial channels under steady or slowly varying conditions using flat-V weirs. It also gives guidance on acceptable velocity distribution.

Measurement of water flow in open channels - Measurement using flow gauging structures - Flat-V weirs

AS 3778.3.8:2007 明渠中水流的测量．流速．面积法．使用全渠宽线圈的电磁法

Specifies procedures for the establishment and operation of a gauging station, equipped with an electromagnetic flow meter, in an open channel or a closed conduit with a free water surface.

Measurement of water flow in open channels - Velocity-area methods - Electromagnetic method using a full-channel-width coil

AS 3778.3.7:2007 明渠中的水流测量．流速．面积法．超声波（声学）测量法

This Standard is identical to and reproduced from ISO 6416:2004, Hydrometry-Measurement of discharge by ultrasonic (acoustic) method.

Measurement of water flow in open channels - Velocity-area methods - Measurement by ultrasonic (acoustic) method