District of Columbia-Civil Engineering Package #3: 20 PDH

SPECIFIC KNOWLEDGE OR SKILL OBTAINED

This course teaches the following specific knowledge and skills:

• The engineer's guidelines for practicing within DC's laws and rules
• The engineer’s duty to protect the public
• The engineer’s duty to make objective and truthful statements
• The engineer’s duty to limit practice to his or her field of competence
• The engineer’s duty to maintain client confidentiality
• The engineer’s responsibility to the profession

CERTIFICATE OF COMPLETION

You will be able to immediately print a certificate of completion after passing a 25 question multiple-choice quiz. The quiz can be retaken unlimited times until a passing grade of 70% or better is earned. This course satisfies 3 professional development hours (PDH) of continuing education.

SPECIFIC KNOWLEDGE OR SKILL OBTAINED

This course teaches the following specific knowledge and skills:

• Identify and differentiate various grades of bridge steel, especially those covered under the ASTM A709 specification.
• Explain the mechanical behaviors of bridge steels, including stress-strain response, ductility, hardness, and fracture toughness.
• Describe steel manufacturing processes and their influence on the final mechanical properties and uniformity of bridge steels.
• Evaluate the corrosion resistance and service conditions that influence the choice of weathering versus non-weathering steels.
• Assess the weldability and fabrication techniques applicable to different grades of bridge steel, including cutting, bending, and machining.
• Interpret applicable AASHTO and ASTM standards to ensure compliance and best practices in bridge design and steel selection.

CERTIFICATE OF COMPLETION

You will be able to immediately print a certificate of completion after passing a 20 question multiple-choice quiz. The quiz can be retaken unlimited times until a passing grade of 70% or better is earned. This course satisfies four (4) hours of professional development (PDH).

SPECIFIC KNOWLEDGE OR SKILL OBTAINED

This course teaches the following specific knowledge and skills:

• Describe the fundamental principles and behaviors of CRCP, including its cracking mechanisms and performance indicators
• Apply mechanistic-empirical pavement design methods for determining optimal slab thickness and reinforcement layout
• Select and justify appropriate materials, reinforcement types, and base layers to enhance pavement durability and minimize distress
• Implement best practices in the construction of CRCP, including reinforcement placement, paving, and curing techniques
• Evaluate pavement condition using performance metrics such as crack width, spacing, punchouts, and roughness
• Develop maintenance, repair, and rehabilitation strategies for aging CRCP structures to extend their service life

CERTIFICATE OF COMPLETION

You will be able to immediately print a certificate of completion after passing a 20 question multiple-choice quiz. The quiz can be retaken unlimited times until a passing grade of 70% or better is earned. This course satisfies five (5) hours of professional development (PDH).

SPECIFIC KNOWLEDGE OR SKILL OBTAINED

This course teaches the following specific knowledge and skills:

• Explain the role of curing in achieving durable and strong concrete pavement, and identify consequences of inadequate curing.
• Distinguish between the initial and final curing periods and describe their specific requirements and timing.
• Evaluate environmental and material conditions that influence curing needs, including bleeding rates, evaporation rates, and concrete temperature.
• Apply appropriate curing techniques—such as curing compounds, water-based methods, and sheet materials—based on project-specific conditions.
• Identify factors contributing to plastic shrinkage and thermal cracking, and implement corrective actions to mitigate these issues during paving.
• Verify curing effectiveness through practical methods, including visual inspection, reflectometry, and temperature/moisture measurement tools.

CERTIFICATE OF COMPLETION

You will be able to immediately print a certificate of completion after passing a 20 question multiple-choice quiz. The quiz can be retaken unlimited times until a passing grade of 70% or better is earned. This course satisfies four (4) hours of professional development (PDH).

SPECIFIC KNOWLEDGE OR SKILL OBTAINED

This course teaches the following specific knowledge and skills:

• Differentiate UHPC from conventional and high-performance concretes in terms of material composition, mechanical strength, and durability.
• Analyze the mechanical properties of UHPC, including compressive and tensile strengths, modulus of elasticity, and fatigue behavior.
• Design structural elements using UHPC by applying appropriate load resistance principles and reinforcement strategies.
• Evaluate the curing, mixing, and placement methods critical to achieving UHPC's optimal performance in the field.
• Assess the long-term durability of UHPC in various environmental conditions including freeze-thaw cycles, marine exposure, and fire resistance.
• Identify current and potential applications of UHPC in infrastructure projects worldwide, with an emphasis on bridge engineering.

CERTIFICATE OF COMPLETION

You will be able to immediately print a certificate of completion after passing a 20 question multiple-choice quiz. The quiz can be retaken unlimited times until a passing grade of 70% or better is earned. This course satisfies four (4) hours of professional development (PDH).