{"id":294042,"date":"2024-10-19T19:59:13","date_gmt":"2024-10-19T19:59:13","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-83682019\/"},"modified":"2024-10-25T17:11:45","modified_gmt":"2024-10-25T17:11:45","slug":"bs-iso-83682019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-83682019\/","title":{"rendered":"BS ISO 8368:2019"},"content":{"rendered":"<p>This document gives guidelines for selecting a particular type of flow measuring structure for measuring liquid flow in an open channel. It describes how the individual structures function in simple non-technical terms, and sets out the factors and parameters to take into account in order to make an informed decision on which type of structure to use.<\/p>\n<p>Values of the relevant parameters describing the limitations and uncertainty involved in the use of these structures are given in this document. More definitive details of a particular type of structure are given in the individual standards listed in <span class=\"xref\">Table&nbsp;1<\/span>, which cover each type of structure.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 4 Symbols  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>5 Types of structure <br \/> 5.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>5.2 Thin-plate weirs <br \/> 5.3 Broad-crested weirs <br \/> 5.4 Triangular-profile weirs <br \/> 5.4.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5.4.2 Streamlined triangular-profile weirs <br \/> 5.4.3 Flat-V weirs <br \/> 5.5 Trapezoidal-profile weirs <br \/> 5.6 Flumes <br \/> 5.7 End-depth method  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>5.8 Vertical underflow gates and radial gates <br \/> 5.9 Compound gauging structures <br \/> 5.10 Fish passes <br \/> 6 Factors affecting choice <br \/> 6.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>6.2 Intended purpose of the structure  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>6.3 Range of flow to be measured  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>6.4 Accuracy to which the flow is to be measured <br \/> 6.5 Consideration of afflux and potential for submergence <br \/> 6.6 Size and nature of channel  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>6.7 Channel slope and sediment load <br \/> 6.8 Operation, maintenance and repair  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>6.9 Passage of fish <br \/> 6.10 Whole life cost  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>7 Recommendations <br \/> 7.1 Thin-plate weirs <br \/> 7.1.1 General <br \/> 7.1.2 Rectangular weirs <br \/> 7.1.3 V-notch weirs <br \/> 7.2 Broad-crested weirs <br \/> 7.2.1 General <br \/> 7.2.2 Round-nose weirs <br \/> 7.2.3 Rectangular horizontal weirs <br \/> 7.2.4 V-shaped weirs  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>7.2.5 Trapezoidal-profile weirs <br \/> 7.3 Triangular-profile weirs <br \/> 7.3.1 General <br \/> 7.3.2 Streamlined triangular-profile weirs <br \/> 7.3.3 Flat-V weirs <br \/> 7.4 Flumes <br \/> 7.4.1 General <br \/> 7.4.2 Rectangular flumes  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>7.4.3 Trapezoidal flumes <br \/> 7.4.4 U-throated flumes <br \/> 7.4.5 Parshall and SANIIRI flumes <br \/> 7.4.6 End-depth method <br \/> 7.5 Compound gauging structures <br \/> 7.6 Vertical underflow gates and radial gates <br \/> 7.7 Larinier fish passes <br \/> 8 Parameters governing choice of structures  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Hydrometric determinations. Flow measurements in open channels using structures. Guidelines for selection of structure<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2019<\/td>\n<td>32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":294046,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[265,2641],"product_tag":[],"class_list":{"0":"post-294042","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-120-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/294042","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/294046"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=294042"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=294042"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=294042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}